Twifty Quiz vs devdex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twifty Quiz
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.
- Swift syntax and concept questions
- Detailed explanations for answers
- Suitable for beginners and advanced developers
- Learn while playing
- iOS app development focus
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Are you passionate about iOS app development and the Swift programming language? Ready to put your Swift knowledge to the test? Look no further! Introducing Twifty Quiz, the ultimate quiz app designed for aspiring Swift developers and programming enthusiasts. Challenge Your Swift Skills: Twifty Quiz is your gateway to mastering Swift. Test your expertise with a wide range of questions covering Swift syntax, concepts, and best practices. Whether you're a beginner or an advanced developer, there's something for everyone! Learn While You Play: Twifty Quiz isn't just about testing your knowledge; it's a learning experience like a dollar quiz game. Get detailed explanations for each question, helping you understand the "why" behind Swift's powerful features. Here the two functional links to the: 1. Terms of services: https://sites.google.com/view/twiftyquiz022/home?authuser=1 2. Privacy Policy: https://sites.google.com/view/twifty-quiz/home?authuser=1
devdex
This app helps developers practice coding syntax for JavaScript, TypeScript, and Swift. It offers over 200 questions, tracks your progress with a weekly streak, and provides statistics on accuracy and quantity. Links to official language documentation are also included.
- JavaScript, TypeScript, Swift support
- Over 200 practice questions
- Weekly streak tracker
- Accuracy and quantity statistics
- Links to language documentation
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v1.0 Features: - JavaScript, TypeScript, Swift - Over 200 questions - Weekly streak tracker - Accuracy and quantity stats - Links to language docs LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Twifty Quiz and devdex are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Twifty Quiz sells 3 in-app purchases, starting at $0.99 per month and devdex sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Twifty Quiz ships an update every 2 weeks, devdex every 3 weeks. The most recent releases landed on June 11, 2026 and September 19, 2026 respectively.
| Parameter | Twifty Quiz | devdex |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 11 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Aziz Ullah | Trevor Pennington |
Customer experience
Twifty Quiz
devdex
In-app purchases
Twifty Quiz
- Pro Plan$0.991 Month
- Pro Plan$1.993 Months
- Pro Plan$4.996 Months
devdex
- Devdex Monthly$4.991 Month
- Devdex - Yearly$34.991 Year
