# Sleepfix vs One

The clearest difference is update cadence: One at weekly against Sleepfix's every 3 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.

Sleepfix ships an update every 3 months, One weekly. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sleepfix | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 118 MB | 41 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Christopher Gordon](https://appshunter.io/developer/1825291902) | [Advanced Neuropsychological Treatment Services (ANTS)](https://appshunter.io/developer/1885660155) |

## What reviewers say

### Sleepfix

[App page](https://appshunter.io/ios/app/sleepfix/id1572810255)

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

**In-app purchases:** none


### One

[App page](https://appshunter.io/ios/app/one-word-memory-test/id6760676561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleepfix free?

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

### Is One free?

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

### Do Sleepfix or One have ads?

Neither Sleepfix nor One shows ads.

### Which is updated more often, Sleepfix or One?

Sleepfix ships an update every 3 months, and One weekly. Most recently, Sleepfix was updated on October 17, 2026 and One on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*