# Twifty Quiz vs Dev60s

The clearest difference is in-app purchases: Dev60s at none against Twifty Quiz's 3. Twifty Quiz's advantage is iOS requirement (16.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Twifty Quiz sells 3 in-app purchases, starting at $0.99 per month. Dev60s asks for nothing beyond the download.

## The numbers

| Metric | Twifty Quiz | Dev60s |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aziz Ullah](https://appshunter.io/developer/1704118752) | [JUNGWON JUNG](https://appshunter.io/developer/1859645201) |

## What reviewers say

### Twifty Quiz

[App page](https://appshunter.io/ios/app/twifty-quiz/id6464455110)

Test your Swift programming knowledge with a fun quiz game. Learn concepts and syntax through detailed explanations for each question. Ideal for aspiring iOS developers and programming enthusiasts.

**Highlights:** Swift syntax and concept questions, Detailed explanations for answers, Suitable for beginners and advanced developers, Learn while playing, iOS app development focus

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $0.99 | per month |
| Pro Plan | $1.99 | per 3 months |
| Pro Plan | $4.99 | per 6 months |


### Dev60s

[App page](https://appshunter.io/ios/app/dev60s/id6757722658)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twifty Quiz free?

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

### Is Dev60s free?

Dev60s is free to download, with no in-app purchases.

### Do Twifty Quiz or Dev60s have ads?

Neither Twifty Quiz nor Dev60s shows ads.

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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.*