# AcornSleep vs Flextimer

The clearest difference is iOS requirement: AcornSleep at 12.0 against Flextimer's 15.1. 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.

AcornSleep ships an update every 10 days, Flextimer every 9 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AcornSleep | Flextimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | — | Free |
| Size | 78 MB | 56 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Canoe LLC](https://appshunter.io/developer/1628260135) | [SOPHOMATH LLC](https://appshunter.io/developer/1827142250) |

## What reviewers say

### AcornSleep

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

**In-app purchases:** none


### Flextimer

[App page](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801)

Create custom interval timers for workouts, focus sessions, or daily routines. Design sessions step-by-step or use AI to generate them from plain text descriptions. Includes cues for sounds, vibration, and color changes.

**Highlights:** AI-generated timer creation from text, Customizable interval and round timers, Step cues for sound, vibration, and color, Timer Summary with detailed progress, Configurable run-screen controls, Saved custom timers and starting points

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

**In-app purchases:** none


## Frequently asked questions

### Is AcornSleep free?

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

### Is Flextimer free?

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

### Do AcornSleep or Flextimer have ads?

Neither AcornSleep nor Flextimer shows ads.

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

AcornSleep ships an update every 10 days, and Flextimer every 9 days. Most recently, AcornSleep was updated on November 7, 2026 and Flextimer on October 31, 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.*