Comparison

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.

Head to head
About

答案之书

Features
Read full description

这是传说中的神奇答案之书。

About

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.

Highlights
  • Classic logic-based gameplay
  • Quick play sessions
  • Clear feedback system
  • Multiple difficulty levels
  • Level Mode
  • Daily Challenge
Read full description

“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

答案之书3 screens
Number Riddle4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 3 level
答案之书 versus Number Riddle: the parameters behind the verdict, then further details
Parameter答案之书Number Riddle
PriceFree — better$0.99
Positive reviews16.7% of reviews66.7% of reviews — better
Update frequencyEvery 12 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size6 MB7 MB
Age rating4+4+
Developer唯墨科技坡 王

Customer experience

答案之书

Written reviews18 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

Number Riddle

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

答案之书

One-time1
  • 解锁无限问题$0.99
None

Number Riddle

No in-app purchases

Questions

Is 答案之书 free?
答案之书 is free to download, with in-app purchases available.
Is Number Riddle free?
Number Riddle costs $0.99, with no in-app purchases.
Do 答案之书 or Number Riddle have ads?
答案之书 shows ads; Number Riddle does not.
Which is updated more often, 答案之书 or Number Riddle?
答案之书 ships an update every 12 months, and Number Riddle fortnightly. Most recently, 答案之书 was updated on October 24, 2026 and Number Riddle on October 25, 2026.

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