# ProteinFit vs Gulp

The clearest difference is in-app purchases: Gulp at none against ProteinFit's 2. Gulp also leads on ads (none vs shown) and device support (3 vs 1). ProteinFit's advantage is update cadence (daily vs every 5 days). On price and iOS requirement there is nothing between them.

Both are free to download. ProteinFit sells 2 in-app purchases, starting at $3.99 per month. Gulp asks for nothing beyond the download.

ProteinFit ships an update daily, Gulp every 5 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ProteinFit | Gulp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gulp-water-reminder-tracker/id6782192602/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Size | 10 MB | 78 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [DJIONI DEV](https://appshunter.io/developer/1586148736) | [Serkan Kaplan](https://appshunter.io/developer/6780546004) |

## What reviewers say

### ProteinFit

[App page](https://appshunter.io/ios/app/proteinfit-protein-scanner/id6760417506)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProteinFit Pro Monthly | $3.99 | per month |
| ProteinFit Pro Annual | $34.99 | per year |


### Gulp

[App page](https://appshunter.io/ios/app/gulp-water-reminder-tracker/id6782192602)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProteinFit free?

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

### Is Gulp free?

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

### Do ProteinFit or Gulp have ads?

ProteinFit shows ads; Gulp does not.

### Which is updated more often, ProteinFit or Gulp?

ProteinFit ships an update daily, and Gulp every 5 days. Most recently, ProteinFit was updated on October 31, 2026 and Gulp on November 5, 2026.

---

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