Meta Prompt: AI Builder
Study & Work Help, Offline
Free · In‑App Purchases · Designed for iPad
Meta Prompt turns a rough idea into a structured, expert-grade prompt you can paste straight into ChatGPT, Claude, Gemini, Copilot or any model -- and it runs entirely on your device.
WHY IT WORKS
A 20-agent pipeline (powered by on-device Apple Intelligence) analyzes your intent, builds a role and context, sets constraints and an output format, adds reasoning scaffolding, and runs quality gates -- the work a prompt engineer would do, in seconds.
WHAT YOU GET
- A complete Prompt Pack: role, context, rules, examples, output schema, and a definition of done.
- A quality score with concrete fixes before you copy.
- Refine chat to iterate on any result.
- One-tap copy / share into any AI app or API workflow.
PRIVATE BY DESIGN
Everything runs on-device. No cloud upload, no account required to start. Your ideas never leave your iPhone or iPad.
BUILT FOR
Writers, coders, engineers, students, founders, and anyone who wants reliable results from AI without trial-and-error prompting.
Requires iOS 26 and an Apple Intelligence-capable device.
Free to start. Pro unlocks the full 20-agent pipeline, unlimited runs, and export.
SUBSCRIPTION
Meta Prompt Lab Pro is available as Monthly, Yearly, and Lifetime access where supported. Prices vary by region and are shown before purchase. Monthly and Yearly subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in account settings.
Privacy Policy: https://ivanhub.co.uk/metapromptlab/privacy
Terms of Use: https://ivanhub.co.uk/metapromptlab/terms
more Meta Prompt Lab 2.4.9
• Fixed a completion crash reported by beta testers
• Pipeline animation now stays synchronized with live steps
• Improved navigation spacing across the screen
2.4.9 Jul 15
Meta Prompt Lab This update introduces paywall and ratings engine optimisations:
• Contextual Access: Added intelligent prompts for daily limit thresholds, Pro features, and day-three returns
• Entry Indicators: Clear display of remaining runs today so you can plan your builds
• Lapsed Restore: Streamlined screen to easily re-subscribe and restore Pro access
• Ratings Engine: Improved feedback requests to only ask for ratings after multiple successful builds
All private processing still runs 100% on your device.
2.4.8 Jul 12
Meta Prompt Lab This update introduces paywall and ratings engine optimisations:
• Contextual Access: Added intelligent prompts for daily limit thresholds, Pro features, and day-three returns
• Entry Indicators: Clear display of remaining runs today so you can plan your builds
• Lapsed Restore: Streamlined screen to easily re-subscribe and restore Pro access
• Ratings Engine: Improved feedback requests to only ask for ratings after multiple successful builds
All private processing still runs 100% on your device.
2.4.6 Jul 11
Meta Prompt Lab Blog generation is more reliable on device. The pipeline now keeps sections within practical word-count bounds, expands thin sections more consistently, and shows clearer live progress while writing. This update also improves prompt comparison reliability and includes release-readiness fixes for iOS 26.5.
2.4.5 Jul 8
Meta Prompt Lab Polish based directly on your beta feedback:
• Completed runs now show a clear "done" badge — no more mistaking the finished state for loading
• Live activity feed refined — accent-lit panel that tracks the working agent in real time
• Tab bar now tucks away as you scroll, giving your content the full screen
• Fixed a missing icon on the Privacy & Trust panel in Settings
• Cleaner enhanced-prompt output — removed awkward double-negative phrasing in rules
Everything still runs 100% on your iPhone. Nothing leaves your device.
2.4.3 Jul 4
Meta Prompt Lab A big stability and polish release:
• Fixed a crash that could interrupt a run right before your enhanced prompt finished
• History: opening a saved prompt now has a proper Back button
• All-new live pipeline screen — glowing orb visualization with a real-time agent activity feed
• New: SEO Blog Generator — draft SEO-optimised articles fully on-device
• Smoother animations, faster and more dependable 20-agent runs
Everything still runs 100% on your iPhone. Nothing leaves your device.
2.4.2 Jul 3
Faster, smoother, and friendlier. A quicker path to your first expert prompt, a cleaner upgrade experience, and a more polished first run. Turn any rough idea into a structured, ready-to-use prompt for ChatGPT, Claude and Gemini — 100% on-device, 100% private.
2.4.1 Jun 19
Faster, smoother, and friendlier. A quicker path to your first expert prompt, a cleaner upgrade experience, and a more polished first run. Turn any rough idea into a structured, ready-to-use prompt for ChatGPT, Claude and Gemini — 100% on-device, 100% private.
2.0.12 Jun 16
Smoother, more efficient pipeline animation, plus battery and performance improvements under the hood. Always free to start — 100% on-device, private and offline.
2.0.10 Jun 10
What's new in 2.0.9:
• Bigger, smoother pipeline animation — watch all 20 agents build your prompt on iPad and Mac.
• A more premium Create screen: sharper glass, cleaner layout.
• Smarter Refine chat that understands your prompt better.
Always free to start. 100% on-device — private, offline, no account.
2.0.9 Jun 5
What's new in 2.0.8:
• Bigger, smoother pipeline animation — watch all 20 agents build your prompt on iPad and Mac.
• A more premium Create screen: sharper glass, cleaner layout.
• Smarter Refine chat that understands your prompt better.
Always free to start. 100% on-device — private, offline, no account.
2.0.8 Jun 5
• Refine without limits — keep chatting with on-device Apple Intelligence to reshape any prompt as much as you want.
• A smoother, more responsive Refine chat that streams replies as they arrive, like a real conversation.
• Visual polish on the Create screen.
2.0.7 Jun 3
Refined for iOS 26.
• A deeper, more tactile Liquid Glass design across every screen, with smoother motion and richer detail.
• Calmer, faster pipeline visuals — and a cleaner experience when a run can't complete.
• Tapping a saved prompt in History now reliably opens its full details.
• A range of polish, accessibility, and reliability improvements.
2.0.6 Jun 2
New: a value card surfaces right after your pipeline completes, showing you the biggest win from your session.
New users can run a sample prompt in one tap during onboarding — zero friction, straight into the real thing.
We also fixed an issue where subscription details could fail to load on spotty connections.
2.0.5 Jun 2
This update fixes a crash some people could hit when starting a pipeline run, so your prompts now build smoothly and reliably every single time.
We also refined the live animation: a single calm, glowing orb, softer energy arcs that grow into each step, and a deeper, more focused background.
Steadier, cleaner, and easier to follow from start to finish.
2.0.4 Jun 1
Refined the running pipeline animation for a cleaner, more focused look.
A single bright orb now anchors the screen, with a full ring of nodes that lights up in clockwise order as each step completes.
Electric arcs reach out and grow into every node, so you can watch your prompt take shape in real time.
Smoother, brighter, and easier to follow from start to finish.
2.0.3 May 30
Reimagined the live pipeline: a cinematic plasma orb with lightning that strikes out to each AI agent as it runs. Smoother, faster, and more premium throughout. Plus a refreshed Refine screen and polish across the app.
2.0.2 May 30
Premium running screen overhaul. The Living Orb is rebuilt with a swirling nebula interior, dense starfield, a bright pinpoint core, and an energy tendril that connects the active agent to the orb in real time. Constellation arms now grow as each agent completes its work. Smoother pipeline log animations and refined glass header. Reduce Motion and Low Power Mode fully respected.
2.0.1 May 29
v2.0.0 is a complete visual overhaul. New Living Orb pipeline hero, refreshed Liquid Glass surfaces, smoother per-agent handoffs, and tightened motion across every screen. The on-device privacy promise is unchanged: 20 agents, your prompt, no cloud.
2.0.0 May 26
This release sharpens Liquid Glass across the app and quietly extends battery life.
Highlights
- Liquid Glass refinements across Create, Refine, History, and Vault
- Battery-aware animations: when iOS Low Power Mode is on, animations dial back automatically
- Accessibility polish: improved VoiceOver labels and tighter focus paths
- Snappier history loading and clearer locked-row affordances
Thanks for using MetaPromptLab. As always, your prompts never leave your device.
1.9.92 May 20
v1.9.91
Polish release. Same 20-agent on-device pipeline, smoother every step.
Premium pipeline motion
Pipeline DAG view now renders curved Bézier edges, particle comet trails, hot-core ignition flashes, and staggered halo ripples as each of the 20 agents completes. Free and Pro tiers see different motion intensities, calibrated for clarity at small screen sizes.
Refined app icon
App icon refreshed with a higher-contrast, more vivid version that reads cleanly at every size from Spotlight thumb to large Home Screen tile.
Tier-aware agent counter
Pipeline now displays 8 of 8 agents for free users and 20 of 20 agents for Pro and Lifetime subscribers, with a live odometer-style count that ticks as each agent completes.
Smarter preset prompts
Tapping a preset prompt now replaces the input field instead of appending. Rapid double-taps are filtered to prevent accidental concatenation of two different presets.
Stability and reliability
Animation runtime hardened: deterministic gradient stop ordering, zero-width frame guards, smoother frame pacing on iPhone 12-class devices.
Privacy unchanged
All 20 agents still run entirely on your device. No prompt text, no personal data, no analytics payload leaves your iPhone, iPad, or Mac.
1.9.9A May 16
v1.9.9
Polish release. Same Apple Intelligence pipeline, smoother every step.
Premium pipeline motion
Pipeline DAG view now renders curved Bézier edges, particle comet trails, hot-core ignition flashes, and staggered halo ripples as each of the 20 agents completes. Free and Pro tiers see different motion intensities, calibrated for clarity at small screen sizes.
Refined app icon
App icon refreshed with a higher-contrast, more vivid version that reads cleanly at every size from Spotlight thumb to large Home Screen tile.
Stability and reliability
Animation runtime hardened: AgentTimeline gradient stops now ordered deterministically, zero-width frame dimensions guarded, motion tokens tuned for smoother frame pacing on iPhone 12-class devices.
Privacy unchanged
All 20 agents still run entirely on your device. No prompt text, no personal data, no analytics payload leaves your iPhone, iPad, or Mac. This is an architectural constraint, not a policy.
1.9.9 May 15
v1.9.7
Cleaner paywall. Smarter scoring. Live updates.
Paywall layout
The subscribe screen has been redesigned so the Subscribe button is the primary action, with auto-renewal disclosure sitting below the fold. This matches consumer-law guidelines and makes the upgrade decision cleaner.
Live Activities and Dynamic Island
MetaPromptLab now pushes real-time pipeline progress to the Dynamic Island and Lock Screen during a run. Watch individual agents complete as your prompt is being engineered — no need to stay in the app.
On-device prompt-quality classifier
A new lightweight classifier pre-screens your input before the 20-agent pipeline starts. It flags ambiguous or under-specified prompts early, so the pipeline has better material to work with and your quality scores improve from the first run.
Search Ads improvements
SKAdNetwork v3 conversion-value patches are now live. Invisible to you as a user, but they let us accurately measure which keywords convert and reinvest the ad budget in channels that bring engaged users.
Premium plan path
Several small friction points on the upgrade and settings flow have been resolved. The route from free tier to Pro is now shorter, and subscription state reflects immediately after purchase.
Stability and reliability
Post-ship review from v1.9.6 has been addressed: minor edge cases in JSON parsing, QualityScorer tie-breaking, and history writes are all resolved.
Privacy note
Nothing has changed here. All 20 agents run entirely on your device. No prompt text, no personal data, no analytics payload leaves your device. That is a hard architectural constraint, not a policy.
What is coming next
The next train will bring cloud sync for your prompt vault, a referral mechanic for Pro members, and three new onboarding flows tuned for writing, coding, and research. No committed dates — we ship when it is right.
Thank you to everyone who filed feedback on the paywall layout and Live Activities timing. v1.9.7 is directly shaped by those reports.
Tap to install — free. Pro anytime.
1.9.8 May 15
v1.9.7
Cleaner paywall. Smarter scoring. Live updates.
Paywall layout
The subscribe screen has been redesigned so the Subscribe button is the primary action, with auto-renewal disclosure sitting below the fold. This matches Apple and UK consumer law guidelines and makes the upgrade decision cleaner for everyone.
Live Activities and Dynamic Island
MetaPromptLab now pushes real-time pipeline progress to the Dynamic Island and Lock Screen during a run. Watch individual agents complete as your prompt is being engineered — no need to stay in the app.
On-device prompt-quality classifier
A new lightweight classifier pre-screens your input before the 20-agent pipeline starts. It flags ambiguous or under-specified prompts early, so the pipeline has better material to work with and your quality scores improve from the first run.
Apple Search Ads improvements
SKAdNetwork v3 conversion-value patches are now live. These are invisible to you as a user but mean the app can accurately measure which keywords lead to Pro subscribers — which in turn lets us invest the Apple Search Ads budget in channels that actually bring in engaged users.
Premium plan path
Several small friction points on the upgrade and settings flow have been resolved. The route from free tier to Pro is now shorter, and subscription state reflects immediately after purchase.
Stability and reliability
Post-ship code review from v1.9.6 has been addressed: minor edge cases in JSON parsing, QualityScorer tie-breaking, and SwiftData history writes are all resolved.
Privacy note
Nothing has changed here. All 20 agents run entirely on your device via Apple Intelligence (FoundationModels). No prompt text, no personal data, no analytics payload leaves your iPhone or iPad. That is a hard architectural constraint, not a policy.
What is coming next
The next train will bring iCloud sync for your prompt vault, a referral mechanic for Pro members, and three new onboarding flows tuned for different use cases (writing, coding, research). No committed dates — we ship when it is right.
Thank you to everyone on TestFlight who filed feedback on the paywall layout and Live Activities timing. v1.9.7 is directly shaped by those reports.
Tap to install — free. Pro anytime.
1.9.7 May 14
Meta Prompt Lab 1.9.6 — what's new
• ASA attribution: SKAdNetwork conversion-value postbacks now fire on trial-start (25/.medium), paid monthly (50/.high), and paid yearly/lifetime (63/.high+lockWindow) so Apple Search Ads can attribute subscribers privately.
• Stability: rebuilt Info.plist + project config under Xcode 26 to clear a sync-group resource conflict.
• No new permissions, no third-party SDKs, no data leaving your device.
Carried forward from 1.9.5: iOS 26 tinted/dark app icon, redesigned Pro upgrade screen, premium pipeline animation with glowing trails, live agent logs streaming in real time. Free users see all 8 of 8 agents.
1.9.6 May 12
Meta Prompt Lab 2.4.9
• Fixed a completion crash reported by beta testers
• Pipeline animation now stays synchronized with live steps
• Improved navigation spacing across the screen
more Version 2.4.9 Jul 15
Data Not Collected The developer does not collect any data from this app.