# MOCARPS by PolyU vs Atomic

The clearest difference is in-app purchases: MOCARPS by PolyU at none against Atomic's 4. MOCARPS by PolyU also leads on iOS requirement (13.4 vs 18.0). On price there is nothing between them.

Both are free to download. Atomic sells 4 in-app purchases, starting at $4.99 per month. MOCARPS by PolyU asks for nothing beyond the download.

## The numbers

| Metric | MOCARPS by PolyU | Atomic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 46 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [The Hong Kong Polytechnic University](https://appshunter.io/developer/442903588) | [Chung Ping Tseng](https://appshunter.io/developer/1801222767) |

## What reviewers say

### MOCARPS by PolyU

[App page](https://appshunter.io/ios/app/mocarps-by-polyu/id6503579648)

**In-app purchases:** none


### Atomic

[App page](https://appshunter.io/ios/app/atomic-learn-languages/id6743085759)

This app offers daily listening challenges to improve English comprehension. It's designed to build a language habit through short, engaging exercises, catering to various levels and accents. Track your progress and maintain a streak with quick, effective practice.

**Highlights:** Daily listening challenges, AI-powered learning, Typing practice, Instant feedback, Streak tracking, Multiple accents and levels

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Learning - Monthly Plan | $4.99 | per month |
| Atomic Learning - Yearly Plan | $29.99 | per year |
| AtomicLearning Pro Lifetime | $39.99 | one-time |
| AtomicLearning Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is MOCARPS by PolyU free?

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

### Is Atomic free?

Atomic is free to download, with in-app purchases available.

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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.*