# AcornSleep vs SweatStacks

The clearest difference is iOS requirement: AcornSleep at 12.0 against SweatStacks's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AcornSleep | SweatStacks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 78 MB | 740 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Canoe LLC](https://appshunter.io/developer/1628260135) | [Oftring Ventures, LLC](https://appshunter.io/developer/1590945542) |

## What reviewers say

### AcornSleep

[App page](https://appshunter.io/ios/app/acornsleep/id6443873278)

**In-app purchases:** none


### SweatStacks

[App page](https://appshunter.io/ios/app/sweatstacks/id6458591124)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AcornSleep free?

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

### Is SweatStacks free?

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

### Do AcornSleep or SweatStacks have ads?

Neither AcornSleep nor SweatStacks shows ads.

### Which is updated more often, AcornSleep or SweatStacks?

AcornSleep ships an update every 10 days, and SweatStacks every 10 days. Most recently, AcornSleep was updated on October 27, 2026 and SweatStacks on October 30, 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.*