# Owlet vs Addition simulator

The clearest difference is update cadence: Addition simulator at every 6 days against Owlet's every 4 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.

Owlet ships an update every 4 months, Addition simulator every 6 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Owlet | Addition simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 123 MB | 7 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | **iPad, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [BirdBrain Technologies LLC](https://appshunter.io/developer/1012525349) | [Anton Golovatuk](https://appshunter.io/developer/510289187) |

## What reviewers say

### Owlet

[App page](https://appshunter.io/ios/app/owlet-glowpix/id1547818921)

**In-app purchases:** none


### Addition simulator

[App page](https://appshunter.io/ios/app/addition-simulator/id1590804374)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Owlet free?

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

### Is Addition simulator free?

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

### Do Owlet or Addition simulator have ads?

Neither Owlet nor Addition simulator shows ads.

### Which is updated more often, Owlet or Addition simulator?

Owlet ships an update every 4 months, and Addition simulator every 6 days. Most recently, Owlet was updated on October 20, 2026 and Addition simulator on October 17, 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.*