# GS vs RevBack

The clearest difference is update cadence: RevBack at monthly against GS's every 8 months. GS's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

GS ships an update every 8 months, RevBack monthly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GS | RevBack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 61 MB | 77 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GS-Labs](https://appshunter.io/developer/1499840768) | [FRIDAY HOLDING](https://appshunter.io/developer/1810185196) |

## What reviewers say

### GS

[App page](https://appshunter.io/ios/app/gs-labs-messenger/id1569839781)

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

**In-app purchases:** none


### RevBack

[App page](https://appshunter.io/ios/app/revback/id6808678519)

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

**In-app purchases:** none


## Frequently asked questions

### Is GS free?

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

### Is RevBack free?

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

### Do GS or RevBack have ads?

Neither GS nor RevBack shows ads.

### Which is updated more often, GS or RevBack?

GS ships an update every 8 months, and RevBack monthly. Most recently, GS was updated on October 30, 2026 and RevBack on October 29, 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.*