# UMBER vs Good sleep

The clearest difference is update cadence: UMBER at every 12 months against Good sleep's every 35 months. UMBER also leads on iOS requirement (8.0 vs 13.0). 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.

UMBER ships an update every 12 months, Good sleep every 35 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | UMBER | Good sleep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 35 months |
| Size | 4 MB | 3 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cynd Co.,Ltd.](https://appshunter.io/developer/512501162) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### UMBER

[App page](https://appshunter.io/ios/app/umber/id1612440053)

**In-app purchases:** none


### Good sleep

[App page](https://appshunter.io/ios/app/good-sleep/id6443669109)

**In-app purchases:** none


## Frequently asked questions

### Is UMBER free?

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

### Is Good sleep free?

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

### Do UMBER or Good sleep have ads?

Neither UMBER nor Good sleep shows ads.

### Which is updated more often, UMBER or Good sleep?

UMBER ships an update every 12 months, and Good sleep every 35 months. Most recently, UMBER was updated on October 25, 2026 and Good sleep on October 27, 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.*