# QuadStopwatch vs Cactus

The clearest difference is in-app purchases: QuadStopwatch at none against Cactus's 1. QuadStopwatch also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price there is nothing between them.

Both are free to download. Cactus sells 1 one-off in-app purchase. QuadStopwatch asks for nothing beyond the download.

QuadStopwatch ships an update every 3 days, Cactus every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | QuadStopwatch | 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 20 MB | 81 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Come Back Agency, LLC](https://appshunter.io/developer/1736087180) | [Alexandre Jouanne](https://appshunter.io/developer/1880834583) |

## What reviewers say

### QuadStopwatch

[App page](https://appshunter.io/ios/app/quadstopwatch/id6479511430)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 QuadStopwatch free?

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

### Is Cactus free?

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

### Do QuadStopwatch or Cactus have ads?

Cactus shows ads; QuadStopwatch does not.

### Which is updated more often, QuadStopwatch or Cactus?

QuadStopwatch ships an update every 3 days, and Cactus every 2 weeks. Most recently, QuadStopwatch was updated on October 25, 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.*