StoneGuard: Low Oxalate
Kidney Stone Food Guide
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
StoneGuard helps users learn about low-oxalate food choices, hydration habits, and daily tracking after kidney stone concerns. The app provides educational support only and is not a diagnosis, treatment plan, or substitute for medical advice from a licensed clinician.
Free features include:
- Basic education about oxalate, hydration, and kidney stone prevention habits
- A limited preview of common low-oxalate food guidance
- A preview of how the 30-day low-oxalate plan works
StoneGuard Pro subscription is required to access:
- The full searchable low-oxalate food database
- Food oxalate level details, serving notes, and safer food swaps
- Daily food logging and daily oxalate estimate tracking
- The full 30-day low-oxalate plan experience
- Daily hydration tracking
- Symptom and appointment note tracking
- Health summary and PDF visit notes export
StoneGuard Pro is available as an auto-renewable monthly or annual subscription. Prices are shown in the app before purchase. The annual subscription may include a free trial where available.
Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings.
Privacy Policy: https://stone-guard-privacy-policy.164354133.workers.dev/
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Expanded the food library to 860+ common foods.
• Improved food search, daily tracking, and 30-day plan progress.
• Added reliable data saving and improved PDF export.
• Improved subscription checks, purchase restoration, iPad layout, and stability.
The developer, Linfeng He, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Linfeng He
- Size
- 1.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
16+
- 16+
- Frequent
Medical Treatment information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- StoneGuard Pro Monthly $4.99
- StoneGuard Pro Annual $29.99
- Copyright
- © 2026 HeLinFeng. All rights reserved.