# SnackGuard vs Water Tracker

The clearest difference is iOS requirement: SnackGuard at 16.0 against Water Tracker's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SnackGuard sells 2 in-app purchases, starting at $0.99 per month and Water Tracker sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SnackGuard ships an update fortnightly, Water Tracker every 9 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SnackGuard | Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 15 MB | 69 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [润聪 万](https://appshunter.io/developer/1876783477) | [Federico Trevisani](https://appshunter.io/developer/1890300706) |

## What reviewers say

### SnackGuard

[App page](https://appshunter.io/ios/app/snackguard/id6759090954)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnackGuard Premium Monthly | $0.99 | per month |
| SnackGuard Premium Yearly | $6.99 | per year |


### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-idroflow/id6763654290)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IdroFlow Plus | $1.99 | per month |
| IdroFlow Plus (Annual) | $7.99 | per year |
| IdroFlow Plus (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is SnackGuard free?

SnackGuard is free to download, with in-app purchases available.

### Is Water Tracker free?

Water Tracker is free to download, with in-app purchases available.

### Do SnackGuard or Water Tracker have ads?

Neither SnackGuard nor Water Tracker shows ads.

### Which is updated more often, SnackGuard or Water Tracker?

SnackGuard ships an update fortnightly, and Water Tracker every 9 days. Most recently, SnackGuard was updated on September 30, 2026 and Water Tracker on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*