# Protein Tracker vs WaterDrop

The clearest difference is price: WaterDrop at Free against Protein Tracker's $2.99. WaterDrop also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Protein Tracker's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On in-app purchases there is nothing between them.

WaterDrop is free to download; Protein Tracker costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Protein Tracker ships an update every 9 days, WaterDrop every 2 months. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Protein Tracker | WaterDrop |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Paid | — |
| Size | 2 MB | 36 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Achharya Tep](https://appshunter.io/developer/1871113122) | [SiU Ahn](https://appshunter.io/developer/1601025745) |

## What reviewers say

### Protein Tracker

[App page](https://appshunter.io/ios/app/protein-tracker-protin/id6758136718)

This app focuses solely on tracking your daily protein intake with a minimalist approach. It offers a simple way to log protein, view weekly progress, and build consistent habits without tracking calories or other macros. All your data is stored locally on your device for privacy.

**Highlights:** Minimalist protein tracking, Daily protein counter, Weekly progress overview, Protein streaks for consistency, Simple habit tracking stats, Fast logging with custom presets, Private by default, no account needed

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WaterDrop

[App page](https://appshunter.io/ios/app/waterdrop-drink-water-tracker/id6775560116)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Protein Tracker free?

Protein Tracker costs $2.99, with no in-app purchases.

### Is WaterDrop free?

WaterDrop is free to download, with no in-app purchases.

### Do Protein Tracker or WaterDrop have ads?

WaterDrop shows ads; Protein Tracker does not.

### Which is updated more often, Protein Tracker or WaterDrop?

Protein Tracker ships an update every 9 days, and WaterDrop every 2 months. Most recently, Protein Tracker was updated on September 27, 2026 and WaterDrop on September 28, 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.*