# DataOTA vs Silent Observer

The clearest difference is update cadence: DataOTA at every 3 weeks against Silent Observer's every 34 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.

DataOTA ships an update every 3 weeks, Silent Observer every 34 months. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | DataOTA | Silent Observer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 34 months |
| Size | 10 MB | 30 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Airoha Technology Corp.](https://appshunter.io/developer/1097005482) | [Navigate360, LLC](https://appshunter.io/developer/1562199710) |

## What reviewers say

### DataOTA

[App page](https://appshunter.io/ios/app/dataota/id1149191495)

**Features:** macOS Compatibility

**In-app purchases:** none


### Silent Observer

[App page](https://appshunter.io/ios/app/silent-observer/id1209909707)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DataOTA free?

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

### Is Silent Observer free?

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

### Do DataOTA or Silent Observer have ads?

Neither DataOTA nor Silent Observer shows ads.

### Which is updated more often, DataOTA or Silent Observer?

DataOTA ships an update every 3 weeks, and Silent Observer every 34 months. Most recently, DataOTA was updated on November 2, 2026 and Silent Observer on November 11, 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.*