# DataDome vs NSYS Diagnostics

The clearest difference is update cadence: NSYS Diagnostics at every 3 weeks against DataDome's every 4 months. NSYS Diagnostics also leads on device support (4 vs 2) and iOS requirement (13 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DataDome ships an update every 4 months, NSYS Diagnostics every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DataDome | NSYS Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 10 MB | 15 MB |
| Requires iOS | 16.0 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [DataDome](https://appshunter.io/developer/1479044587) | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) |

## What reviewers say

### DataDome

[App page](https://appshunter.io/ios/app/datadome/id1492490972)

**Features:** macOS Compatibility

**In-app purchases:** none


### NSYS Diagnostics

[App page](https://appshunter.io/ios/app/nsys-diagnostics/id6764545220)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is DataDome free?

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

### Is NSYS Diagnostics free?

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

### Do DataDome or NSYS Diagnostics have ads?

Neither DataDome nor NSYS Diagnostics shows ads.

### Which is updated more often, DataDome or NSYS Diagnostics?

DataDome ships an update every 4 months, and NSYS Diagnostics every 3 weeks. Most recently, DataDome was updated on October 8, 2026 and NSYS Diagnostics on October 1, 2026.

---

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