# 趣怪IQ題 vs Dot Book

The clearest difference is in-app purchases: Dot Book at none against 趣怪IQ題's 1. 趣怪IQ題's advantage is iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 趣怪IQ題 sells 1 one-off in-app purchase. Dot Book asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 趣怪IQ題 | Dot Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/iq/id451672554/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 35 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yan Kin LEUNG](https://appshunter.io/developer/320172517) | [Dot Incorporation](https://appshunter.io/developer/1180412559) |

## What reviewers say

### 趣怪IQ題

[App page](https://appshunter.io/ios/app/iq/id451672554)

This book offers over 200 unique and funny IQ riddles to entertain during long journeys or gatherings. It aims to boost your sense of humor and includes a feature for users to submit their own riddles.

**Highlights:** Over 200 unique IQ riddles, Funny and engaging content, User riddle submission feature, Suitable for travel and social events, Boosts sense of humor

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 趣怪IQ題 完全版 | $0.99 | one-time |


### Dot Book

[App page](https://appshunter.io/ios/app/dot-book/id6464456781)

**In-app purchases:** none


## Frequently asked questions

### Is 趣怪IQ題 free?

趣怪IQ題 is free to download, with in-app purchases available.

### Is Dot Book free?

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

### Do 趣怪IQ題 or Dot Book have ads?

Neither 趣怪IQ題 nor Dot Book shows ads.

### Which is updated more often, 趣怪IQ題 or Dot Book?

趣怪IQ題 ships an update every 2 months, and Dot Book every 2 months. Most recently, 趣怪IQ題 was updated on October 1, 2026 and Dot Book on October 11, 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.*