# LetsKeep vs Aqua

The clearest difference is update cadence: Aqua at every 2 months against LetsKeep's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

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

LetsKeep ships an update every 11 months, Aqua every 2 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | LetsKeep | Aqua |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 42 MB | 20 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [庆勇 张](https://appshunter.io/developer/1543126441) | [mouhamad cherkawi](https://appshunter.io/developer/1807798998) |

## What reviewers say

### LetsKeep

[App page](https://appshunter.io/ios/app/letskeep-habit-tracker/id1543128102)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aqua

[App page](https://appshunter.io/ios/app/aqua-tracker/id6759465535)

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

**In-app purchases:** none


## Frequently asked questions

### Is LetsKeep free?

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

### Is Aqua free?

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

### Do LetsKeep or Aqua have ads?

Neither LetsKeep nor Aqua shows ads.

### Which is updated more often, LetsKeep or Aqua?

LetsKeep ships an update every 11 months, and Aqua every 2 months. Most recently, LetsKeep was updated on September 29, 2026 and Aqua on October 6, 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.*