# 儿童IQ益智图书 vs Secret

The clearest difference is in-app purchases: Secret at none against 儿童IQ益智图书's 1. Secret also leads on update cadence (every 6 weeks vs every 5 months). 儿童IQ益智图书's advantage is iOS requirement (8.3 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 儿童IQ益智图书 sells 1 one-off in-app purchase. Secret asks for nothing beyond the download.

儿童IQ益智图书 ships an update every 5 months, Secret every 6 weeks. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 儿童IQ益智图书 | Secret |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/iq/id494805247/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 23 MB |
| Requires iOS | **8.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rafat Zohra](https://appshunter.io/developer/412000260) | [Xavier Segura Ardevol](https://appshunter.io/developer/1640778047) |

## What reviewers say

### 儿童IQ益智图书

[App page](https://appshunter.io/ios/app/iq/id494805247)

This educational book aims to enhance children's intelligence and vocabulary through an engaging approach. It utilizes a child's natural sensory perception to teach them about objects, sounds, colors, letters, and numbers in a fun and interactive way.

**Highlights:** Develops children's intelligence, Enhances vocabulary, Teaches colors, letters, and numbers, Utilizes sensory perception for learning, Fun and engaging learning experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 儿童IQ益智图书 | $1.99 | one-time |


### Secret

[App page](https://appshunter.io/ios/app/secret-code/id6476304654)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 儿童IQ益智图书 free?

儿童IQ益智图书 is free to download, with in-app purchases available.

### Is Secret free?

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

### Do 儿童IQ益智图书 or Secret have ads?

Neither 儿童IQ益智图书 nor Secret shows ads.

### Which is updated more often, 儿童IQ益智图书 or Secret?

儿童IQ益智图书 ships an update every 5 months, and Secret every 6 weeks. Most recently, 儿童IQ益智图书 was updated on September 30, 2026 and Secret on October 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.*