# ybs vs Atom

The clearest difference is ads: Atom at none against ybs's shown. Atom also leads on update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support 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.

ybs ships an update every 2 weeks, Atom every 2 days. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ybs | Atom |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 57 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gizem Klcaslan](https://appshunter.io/developer/1787961099) | [Fethi Ulkem BETIL](https://appshunter.io/developer/6778105844) |

## What reviewers say

### ybs

[App page](https://appshunter.io/ios/app/ybs/id6740011251)

Access past exam questions for Management Information Systems open education faculty. Practice with quizzes for each course and term. Review with short video lessons before testing your knowledge.

**Highlights:** Past exam questions for MIS, Quizzes for each course and term, Practice tests, Short video lessons, Easy interface, Fast access

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

**In-app purchases:** none


### Atom

[App page](https://appshunter.io/ios/app/atom-bilim/id6782021121)

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

**In-app purchases:** none


## Frequently asked questions

### Is ybs free?

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

### Is Atom free?

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

### Do ybs or Atom have ads?

ybs shows ads; Atom does not.

### Which is updated more often, ybs or Atom?

ybs ships an update every 2 weeks, and Atom every 2 days. Most recently, ybs was updated on September 27, 2026 and Atom on October 1, 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.*