# Cenli vs Sleep Diary by Psyktest

Cenli and Sleep Diary by Psyktest are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 3 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Cenli | Sleep Diary by Psyktest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 61 MB | 56 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Nordic Brain Tech](https://appshunter.io/developer/1484445971) | [Lavamilk AS](https://appshunter.io/developer/1832836684) |

## What reviewers say

### Cenli

[App page](https://appshunter.io/ios/app/cenli/id1592089151)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sleep Diary by Psyktest

[App page](https://appshunter.io/ios/app/sleep-diary-by-psyktest/id6749919068)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cenli free?

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

### Is Sleep Diary by Psyktest free?

Sleep Diary by Psyktest is free to download, with no in-app purchases.

### Do Cenli or Sleep Diary by Psyktest have ads?

Neither Cenli nor Sleep Diary by Psyktest shows ads.

### Which is updated more often, Cenli or Sleep Diary by Psyktest?

Cenli ships an update every 3 weeks, and Sleep Diary by Psyktest every 3 weeks. Most recently, Cenli was updated on October 5, 2026 and Sleep Diary by Psyktest on October 10, 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.*