答案之书 vs Number Riddle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
答案之书
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这是传说中的神奇答案之书。
Number Riddle
A logic-based deduction game where you uncover a hidden 3-digit code using limited clues and precise feedback. It offers quick gameplay sessions perfect for brain training and challenging your reasoning skills.
- Classic logic-based gameplay
- Quick play sessions
- Clear feedback system
- Multiple difficulty levels
- Level Mode
- Daily Challenge
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“Number Riddle” is a simple yet highly challenging number deduction game. Using limited clues, you must uncover a hidden 3/4-digit code. Each guess provides precise feedback: whether the numbers are correct and whether their positions are correct. Step by step, you’ll use logic to get closer to the answer. It may seem simple, but it’s truly brain-burning. 【Features】 • Classic logic-based gameplay • Each round takes only a few minutes — perfect for quick play anytime, anywhere • Clear feedback system: correct position / correct number / completely wrong • Multiple difficulty levels, from beginner to advanced 【Game Modes】 • Level Mode: Unlimited stages to continuously challenge your reasoning skills • Daily Challenge: One puzzle every day — compete with players around the world 【Why It’s Addictive】 • That constant feeling of being “just one step away” from the answer • Simple rules combined with deep strategy • Perfect for short breaks — the more you play, the more hooked you get Can you crack the code in the fewest moves? Download now and start your logic challenge.
Screenshots
Verdict
The clearest difference is review sentiment: Number Riddle at 67% against 答案之书's 17%. Number Riddle also leads on in-app purchases (none vs 1) and ads (none vs shown). 答案之书's advantage is price (Free vs $0.99). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
答案之书 is free to download; Number Riddle costs $0.99 up front. 答案之书 sells 1 one-off in-app purchase. Number Riddle asks for nothing beyond the download.
答案之书 ships an update every 12 months, Number Riddle fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | 答案之书 | Number Riddle |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 16.7% of reviews | 66.7% of reviews — better |
| Update frequency | Every 12 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | 唯墨科技 | 坡 王 |
Customer experience
答案之书
Number Riddle
In-app purchases
答案之书
- 解锁无限问题$0.99
Number Riddle
No in-app purchases









