# StoneGuard: Low Oxalate — Kidney Stone Food Guide

> Kidney Stone Food Guide (iPhone/iPad app by Linfeng He.)

- Source: https://appshunter.io/ios/app/stoneguard-low-oxalate/id6786929835 (this page in markdown: same URL + `.md`)
- Developer: [Linfeng He](https://appshunter.io/developer/1209834914)
- Category: Health & Fitness, Medical
- Price: Free with in-app purchases
- Age rating: 17+
- Requires: iOS 26.4 · 1 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-07-13
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/stoneguard-low-oxalate/id6786929835/reviews.md

## What is StoneGuard?

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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| StoneGuard Pro Annual | $29.99 | per year |
| StoneGuard Pro Monthly | $4.99 | per month |



## Version history (last 1 release)

### 1.0 — 2026-07-14

No release notes.

## More apps by Linfeng He

- [FaceToon AI:Cartoon yourself](https://appshunter.io/ios/app/facetoon-aicartoon-yourself/id6760439491)
- [ImagineToon AI : Cartoon Maker](https://appshunter.io/ios/app/imaginetoon-ai-cartoon-maker/id6761301309)
- [Persona Studio: AI Headshot](https://appshunter.io/ios/app/persona-studio-ai-headshot/id6764724987)

All apps by Linfeng He: https://appshunter.io/developer/1209834914

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*