# AquaLog vs Saturdays Left

The clearest difference is ads: Saturdays Left at none against AquaLog's shown. Saturdays Left also leads on device support (4 vs 2). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AquaLog ships an update every 10 days, Saturdays Left every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AquaLog | Saturdays Left |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 27 MB | 3 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Blas Prieto](https://appshunter.io/developer/1878084920) | [Kendall Dale](https://appshunter.io/developer/6784999183) |

## What reviewers say

### AquaLog

[App page](https://appshunter.io/ios/app/aqualog-hydration-tracker/id6760383266)

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

**In-app purchases:** none


### Saturdays Left

[App page](https://appshunter.io/ios/app/saturdays-left/id6784999181)

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

**In-app purchases:** none


## Frequently asked questions

### Is AquaLog free?

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

### Is Saturdays Left free?

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

### Do AquaLog or Saturdays Left have ads?

AquaLog shows ads; Saturdays Left does not.

### Which is updated more often, AquaLog or Saturdays Left?

AquaLog ships an update every 10 days, and Saturdays Left every 2 weeks. Most recently, AquaLog was updated on October 31, 2026 and Saturdays Left 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.*