# Twifty Quiz vs SwiftyPrep

The clearest difference is in-app purchases: SwiftyPrep at none against Twifty Quiz's 3. On price, update cadence, 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. SwiftyPrep asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Twifty Quiz | SwiftyPrep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 1 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aziz Ullah](https://appshunter.io/developer/1704118752) | [ANDREI DARIUS COUTI](https://appshunter.io/developer/1707801884) |

## 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 |


### SwiftyPrep

[App page](https://appshunter.io/ios/app/swiftyprep/id6466783060)

Prepare for developer interviews with a vast collection of Swift and SwiftUI questions. Assess your skills independently or receive ratings from interviewers. Track your progress and visualize your learning journey to land your dream job.

**Highlights:** 350+ Swift/SwiftUI interview questions, Self-assessment of skills, Interviewer rating system, Progress tracking, History visualization

**In-app purchases:** none


## Frequently asked questions

### Is Twifty Quiz free?

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

### Is SwiftyPrep free?

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

### Do Twifty Quiz or SwiftyPrep have ads?

Neither Twifty Quiz nor SwiftyPrep shows ads.

### Which is updated more often, Twifty Quiz or SwiftyPrep?

Twifty Quiz ships an update every 2 weeks, and SwiftyPrep every 2 weeks. Most recently, Twifty Quiz was updated on November 3, 2026 and SwiftyPrep 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.*