# X9, Detect Pro vs RvR.Online

The clearest difference is iOS requirement: X9, Detect Pro at 9.0 against RvR.Online's 15.0. On price, update cadence, 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.

X9, Detect Pro ships an update every 4 months, RvR.Online every 2 months. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | X9, Detect Pro | RvR.Online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 25 MB | 43 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [R-DISTRIBUTSIYA, OOO](https://appshunter.io/developer/1528650611) | [Artem Logunov](https://appshunter.io/developer/1803680753) |

## What reviewers say

### X9, Detect Pro

[App page](https://appshunter.io/ios/app/x9-detect-pro/id1585787272)

**Features:** macOS Compatibility

**In-app purchases:** none


### RvR.Online

[App page](https://appshunter.io/ios/app/rvronline/id6743634701)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is X9, Detect Pro free?

X9, Detect Pro is free to download, with no in-app purchases.

### Is RvR.Online free?

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

### Do X9, Detect Pro or RvR.Online have ads?

Neither X9, Detect Pro nor RvR.Online shows ads.

### Which is updated more often, X9, Detect Pro or RvR.Online?

X9, Detect Pro ships an update every 4 months, and RvR.Online every 2 months. Most recently, X9, Detect Pro was updated on October 17, 2026 and RvR.Online on October 20, 2026.

---

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