# rOb.by vs Certify

The clearest difference is iOS requirement: rOb.by at 12.0 against Certify'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.

rOb.by ships an update every 5 months, Certify every 3 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | rOb.by | Certify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 39 MB | 63 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [texTomatic AG](https://appshunter.io/developer/1503319921) | [CERTIFY Community SA](https://appshunter.io/developer/1761911551) |

## What reviewers say

### rOb.by

[App page](https://appshunter.io/ios/app/robby/id1503319922)

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

**In-app purchases:** none


### Certify

[App page](https://appshunter.io/ios/app/certify-news/id1567874903)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is rOb.by free?

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

### Is Certify free?

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

### Do rOb.by or Certify have ads?

Neither rOb.by nor Certify shows ads.

### Which is updated more often, rOb.by or Certify?

rOb.by ships an update every 5 months, and Certify every 3 months. Most recently, rOb.by was updated on October 25, 2026 and Certify on November 3, 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.*