# FAT Calorie Tracker vs Cactus

The clearest difference is ads: FAT Calorie Tracker at none against Cactus's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. FAT Calorie Tracker sells 1 in-app purchase, starting at $1.99 per month and Cactus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FAT Calorie Tracker ships an update weekly, Cactus every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FAT Calorie Tracker | Cactus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cactus-water-tracker-reminder/id6760417601/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 10 MB | 81 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jan Frederik Kollmorgen](https://appshunter.io/developer/1883065544) | [Alexandre Jouanne](https://appshunter.io/developer/1880834583) |

## What reviewers say

### FAT Calorie Tracker

[App page](https://appshunter.io/ios/app/fat-calorie-tracker/id6760190135)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FAT Premium | $1.99 | per month |


### Cactus

[App page](https://appshunter.io/ios/app/cactus-water-tracker-reminder/id6760417601)

This app simplifies hydration tracking with quick logging, personalized goals, and smart reminders. Watch a virtual cactus flourish as you meet your daily water intake targets, making healthy habits rewarding and stress-free.

**Highlights:** Quick drink logging, Personalized daily hydration goals, Smart, schedule-aware reminders, Visual progress with a growing cactus, Detailed history and stats, Tracking for 9 drink types

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Cactus Ads | $6.99 | one-time |


## Frequently asked questions

### Is FAT Calorie Tracker free?

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

### Is Cactus free?

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

### Do FAT Calorie Tracker or Cactus have ads?

Cactus shows ads; FAT Calorie Tracker does not.

### Which is updated more often, FAT Calorie Tracker or Cactus?

FAT Calorie Tracker ships an update weekly, and Cactus every 2 weeks. Most recently, FAT Calorie Tracker was updated on October 28, 2026 and Cactus on October 25, 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.*