NEW IN v1.16: BREAK THROUGH A LIMIT — TWEAKER (Beta) • Hit a wall dialing a property? Tweaker now shows you the way through • See the exact oil to add or swap — or a lock to loosen — to reach your goal • Compare each path with a full before/after, then apply with one tap • See big changes coming: when a nudge would swing your recipe hard, Tweaker shows the trade first — keep going or open your options, your call • New "reading the screen" guides on Tweaker's Properties and Oils panels • Still in Beta — send feedback when something feels off IMPROVEMENTS • Tap the new (i) guides on your recipe and results to see what every number means • Lock an oil and it stays put across the calculator, with a confirm before anything changes it • Bug fixes and performance improvements

NEW IN v1.15: TWEAKER — RESHAPE YOUR OILS (Beta) • Add, remove, or swap an oil right inside Tweaker — not just dial properties • Simplify to fewer oils while holding the ones you've pinned • The rest of the mix rebalances to match, and Review shows exactly what changed • Still in Beta — send feedback when something feels off SHARE FROM MORE PLACES • New Share button on Make Soap, Photo Import, and the "Paste a recipe" review screen SHARPER RECIPE IMPORTS • Tap "deeper scan" on a pasted recipe to catch more oils, additives, and amounts • Shared recipe links now reproduce the exact batch size and additive amounts you sent IMPROVEMENTS • Cleaner, easier-to-scan Recipe Settings • Clearer share confirmations, with the right icon on every device • Clearer oil names when two look alike • Bug fixes and performance improvements

NEW IN v1.14: TWEAKER (Beta) • A new way to shape your recipe • Open Tweaker to dial a property up or down — more conditioning, less cleansing — and the oil mix shifts to match • Hold the properties that are already where you want them • In Beta — send feedback when something feels off BETTER RECIPE IMPORTS • Photo and paste imports now pick up milks, vinegars, and citric acid • Reverse-calculates water:lye ratio and superfat from the source recipe's listed values • Renamed to "Paste a recipe" with a cleaner two-screen flow SEND FEEDBACK BUTTON • New "Send feedback" button inside Recipe Insights and Tweaker • Tell us when something feels off without leaving the surface IMPROVEMENTS • Smoother sheets across Resize Batch, Mold Calculator, and Feedback • Sharper help context on Blend Advisor results, Oil Swap, and Liquid Base • Bug fixes and performance improvements

NEW IN v1.13: PASTE A RECIPE • Tap "Paste a recipe" on the home screen and drop in any recipe — from a website, your notes, or anywhere • We read the oils and percentages and load them into your calculator • We now recognize more recipe formats — weights, percentages, lowercase, and plain pastes SETTINGS UNLOCKED WITH SIGN-IN • Citric acid, master batch, and lye purity are now free for everyone with an account — sign in to use them • No password needed — sign in once and these correctness features are yours TAP-TO-ADJUST • Every percentage, weight, and slider in the calculator now has +/- buttons — faster on touchscreens, easier than dragging • Works on oil cards, liquids editor, water settings, lye purity, batch size, and more SUGAR AWARENESS • Sugar in additives now triggers a gel prediction on its own — no need to add milk to see the cue • Sugar in liquids accelerates your trace prediction so you know when batter will move fast IMPROVEMENTS • Bug fixes and performance improvements

NEW IN v1.12: NOW IN CHATGPT • Simple SoapCalc is now in the ChatGPT App Store — brainstorm recipes through ChatGPT and we handle the math FRAGRANCE SAFETY • Per-oil IFRA warnings — push Tea Tree, Cedarwood, Rose, and 27 more essential oils past their Cat 9 cap and you'll see exactly where the safety line is • 30 essential oils now have cert-validated IFRA Cat 9 caps — Rose, Geranium, Frankincense, Sandalwood, Ginger,and more • Cumulative fragrance load banner — your total percentage updates live as you build the recipe SMARTER ADDITIVES • Pick an additive and the amount pre-fills to a safe starting point — no more guessing • Warnings appear inline under each fragrance row in the editor — find what's over at a glance • Tap "Why this amount?" on any curated additive to see usage range, IFRA cap, and scent character VINEGAR LIQUIDS • Apple cider vinegar now auto-adjusts your lye — the calculator handles the chemistry so you don't have to CURATED LIST UPDATES • Jasmine Sambac replaces generic Jasmine — Sambac is the safer species for soap, with much more headroom under its Cat 9 cap • Spearmint, Clary Sage, Frankincense, Sandalwood, Geranium, and Rose moved into the right buckets so default amounts stay below their IFRA ceilings • Search "ginger root" or "sambac absolute" — new aliases find the right entry IMPROVEMENTS • Pantry Variations duplicate-recipe bug fixed — same constraints now produce distinct variations • Fast-trace warnings flag recipes with high coconut, castor, or rice bran — and ginger essential oil now joins the accelerator list alongside cinnamon and clove • KOH/liquid soap recipes correctly suppress bar-soap unmold language; balanced-mix prose fixed for high-Castile blends • Sharper unmold tiers ("Check at 12–24 hours"), better trace and cure predictions for high-coconut and pine-tar recipes, and additive amounts below 0.10 now show 2 decimals

NEW IN v1.11: BEYOND THE MATH • Add sodium lactate and your unmold prediction adjusts automatically — add salt and you'll see a hardness note • High superfat? You'll see a conditioning note. Low superfat with cleansing oils? A drying warning • Recipe Insights now factors in your additives, liquids, and superfat — not just fatty acid numbers LIQUID INTELLIGENCE • Select goat milk, beer, wine, coffee, aloe, or 15 other liquids and get handling tips right away • Freeze warnings for milk, boil reminders for beer, at-trace tips for split methods — adapts to your recipe SAFETY ALERTS • Using milk and honey together? You'll see a heat warning. Multiple sugar sources? A volcano risk alert SMARTER CURE PREDICTIONS • Cure times now account for specific oils — olive, pine tar, beeswax, coconut, and castor each carry their own cure behavior MAKE SOAP TIPS • The Lye Solution step now shows tips based on your recipe — like when to add sodium lactate HELP US GET BETTER • Tap Send Feedback in Settings to flag bugs, share ideas, or tell us what's off — we read every message IMPROVEMENTS • More accurate trace speed for high coconut recipes • 5 new additive behavior tags for better warnings • Bug fixes and performance improvements

NEW IN v1.10: ADDITIVE NOTES • Adding cinnamon, honey, citrus EOs, or other ingredients that need special handling? Recipe Insights now warns you — like trace acceleration, overheating risk, or scent fading during cure. • You'll also see these notes when browsing additives to add. • Batch Analyzer now factors in your additives for better diagnoses. LIQUID HANDLING TIPS • Select goat milk, beer, or other liquids and get handling tips right away — freeze your milk, boil your beer flat, and more OIL RANGE GUIDANCE • Push an oil above its recommended range and you'll see a note right on the oil card — with context for why it might be intentional, like salt bars or shampoo bars. IMPROVED BLEND ADVISOR • When oils like Palm and Tallow are each below their recommended range but together give you solid hardness, Blend Advisor now explains the combination instead of flagging each one. IMPROVEMENTS • Bug fixes and performance improvements

NEW IN v1.9: IMPROVED RECIPE INSIGHTS • New Shelf Life section flags oils prone to Dreaded Orange Spots (DOS) • More accurate cure time estimates for Castile and olive-heavy recipes SMARTER BLEND ADVISOR • Reviews now recognize what type of soap you're making and tailor advice accordingly • Simplify now offers more ways to reduce your recipe MOLD SIZE CALCULATOR • Enter your mold dimensions and get the exact oil weight you need • Supports rectangular and cylindrical molds in inches or centimeters INCI NAMES • Open any oil profile to see its INCI name • Tap Copy INCI List to grab all ingredient names for product labels IMPROVEMENTS • Bug fixes and performance improvements

Bug fixes and improvements.

NEW IN v1.8: RECIPE INSIGHTS • What will your recipe do? See trace speed, unmold time, gel likelihood, and cure time • Superfat guidance tailored to your recipe — castile, salt bar, high coconut, and more • Swipe to "What to Expect" on your results page OIL PROFILES • Tap the info icon on any oil to see what it does and what it pairs well with • Usage tips, property breakdowns, and common combinations SMARTER OIL SWAP • Now explains why each alternative behaves differently • Tap "Show more" to browse additional options IMPROVEMENTS • Faster Blend Advisor with a full recipe review — strengths, suggestions, and impact • More accurate Blend Advisor suggestions • Bug fixes and performance improvements

NEW IN v1.7: SIMPLIFY RECIPE • Got a recipe with too many oils? Simplify it down to 2-4 essentials • See which oils overlap, compare variations, and apply with one tap • Removed oils shown with strikethrough so you see exactly what changed OIL LOCK • Swipe any oil to lock it in place • Blend Advisor and Fix My Recipe work around your locked oils LIQUID SOAP (Batch Analyzer) • 8 new liquid soap symptoms with paste, dilution, and storage phases IMPROVEMENTS • Suggestions now show property impact — "slightly softer", "noticeably more bubbly" • 22 starter recipes with 5 new community contributions • Persistent recipe name header • Bug fixes and performance improvements

NEW IN v1.6: BATCH ANALYZER (Pro) • Something went wrong with your batch? Tell us the symptom • Analyzes your actual recipe to diagnose the problem • Get ranked causes, prevention tips, and salvage guidance • Share your diagnosis with fellow soapmakers • 3 free uses for all users RECIPE FOLDERS • Create folders to organize your saved recipes • Move recipes between folders with one tap • Filter My Recipes by folder STARTER RECIPES • Browse 15+ curated recipes with filter chips • Filter by moisturizing, gentle, lathery, vegan, palm-free, and more • Community recipes attributed to their original source IMPROVEMENTS • Sort recipes by date, name, or favorites • Crash recovery — unsaved work restored automatically • Share Blend Advisor results as images • Help icons throughout for quick tips • Bug fixes and performance improvements

NEW IN v1.5: IMPROVED iPAD EXPERIENCE • Scroll your recipe while results stay pinned beside it • Add oils side-by-side in a split panel • All three result cards visible at once — no swiping RESIZE BATCH • Tap the Total Batch weight in your results to resize • Enter a target weight and all values scale automatically SHARE YOUR RECIPES • Tap share on your results — choose Compact Image, Full Recipe Image, or PDF • Full Recipe Image with brand-colored accents for soap groups • Recipe sheet sharing now free for all signed-in users IMPROVEMENTS • Recently used oils appear at the top of the oil picker • 5 new liquid types: apple cider vinegar, tea, wine, witch hazel, kombucha • Tap help icons next to settings for quick tips and explanations • Bug fixes and performance improvements

NEW IN v1.4: OIL SWAP • Tap any oil to find substitutes that maintain your recipe's balance • Compare up to 3 alternatives with full property breakdowns • One tap to swap — percentages stay the same PANTRY MODE • Tell Blend Advisor which oils you have on hand • It builds a complete recipe using only what's available • Pick from multiple variations with different goals "WHAT IF I MESSED UP?" (Make Soap) • Override ingredient amounts when things don't go as planned • Live superfat recalculation as you type • Safety indicators and automatic lye/oil adjustment suggestions IMPROVEMENTS • Light & Dark mode toggle in Account Settings • oz/g unit toggle in Make Soap mode • "Pinch" unit for additives (mica, oxides, spices) • App update banner when a new version is available • Improved PDF readability and QR scanning BUG FIXES • Share extension now works reliably on all devices • QR import preserves recipe settings for free users

NEW IN v1.3: BLEND ADVISOR (Pro) • Get smart suggestions to improve your oil blend • Choose a goal: stronger, gentler, more lather, or all-rounder • Review your recipe for strengths and improvements • Compare variations side by side with soap properties • Apply a suggestion with one tap • 10 free uses for all users LYE PURITY (Pro) • Adjust NaOH and KOH purity to match your supplier's label • Calculator compensates automatically for accurate results • Purity shown on results card and shared recipes PHOTO IMPORT • More reliable recipe scanning • "Re-scan with AI" option if text mode gives bad results • Imported amounts now shown alongside percentages for easy verification IMPROVEMENTS • Make Soap preview for free users — see your recipe before upgrading • Blend Advisor and import entry points highlighted for new users • Close button on all bottom sheets BUG FIXES • Various small bug fixes

NEW IN v1.2: MAKE SOAP MODE (Pro) • Workshop checklist for hands-on soapmaking • Scale batches (0.5x, 1x, 2x, 3x, or custom) • Check off ingredients as you weigh them • Ordered by soapmaking process: lye solution → oils → additives • Screen stays awake while you work CITRIC ACID (Pro) • Reduce soap scum with automatic lye adjustment • Adjustable from 1–5% in 0.5% increments • Works with both NaOH and KOH • Included in shared recipes and QR codes SHARE TO IMPORT • Share recipe photos from any app directly into Simple SoapCalc • Works from Instagram, Pinterest, your browser, and more AI PHOTO IMPORT • Improved accuracy for soap labels and ingredient lists • Smarter oil percentage estimates IMPROVEMENTS • Tap any oil to quick-adjust to 100% • Help icons with beginner-friendly tips throughout BUG FIXES • Various small bug fixes

Fixed an issue where Pro features may not activate after purchase

NEW IN v1.1.1: • All features now visible — explore before you upgrade • Tap any feature to see how it can help your recipes • Improved iPad display for Properties and Fatty Acids

NEW IN v1.1: RECIPE SHARING • Share recipes via QR code or link • Open shared links directly in the app • Import recipes by scanning QR codes from photos • All recipe settings preserved MASTER BATCH LYE (Pro) • Pre-mix your lye solution for multiple batches • Choose your water:lye ratio (1:1 to 3:1) • Calculates exact solution amounts needed • Works with all water calculation methods CUSTOM LIQUIDS (Pro) • Replace water with goat milk, beer, aloe vera, and more • Mix up to 3 liquids in custom ratios • Perfect for specialty soaps ADDITIVES TRACKING (Pro) • Search 75+ curated additives or add your own • 29 essential oils from popular suppliers • Browse by category: Clays, Colorants, Fragrances, and more • Add multiple additives without closing the picker • Quick-add your favorite additives with one tap • Search by aliases (EO, FO, lavender 40/42, etc.) • Amounts automatically scale with batch size • Included in shared recipes IMPROVEMENTS • Drag to reorder oils, additives, and liquids (long-press to pick up) • Quick-add chips for frequently used additives • Alphabetical sorting in additive picker • Category icons and counts for easy browsing • Better QR code support for complex recipes BUG FIXES • Fixed Android navigation bar overlapping bottom sheets • Fixed duplicate Water row when using Master Batch • Fixed spacing between numbers and units in recipe view • Hide "low water" warning when Master Batch provides excess water