# CAFS研究生 vs Preschool Maths 123

The clearest difference is in-app purchases: CAFS研究生 at none against Preschool Maths 123's 1. CAFS研究生 also leads on ads (none vs shown). Preschool Maths 123's advantage is update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Preschool Maths 123 sells 1 one-off in-app purchase. CAFS研究生 asks for nothing beyond the download.

CAFS研究生 ships an update every 2 months, Preschool Maths 123 every 3 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CAFS研究生 | Preschool Maths 123 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/preschool-maths-123/id1635259399/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 32 MB | 19 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [中国财政科学研究院](https://appshunter.io/developer/1494077788) | [向军 贾](https://appshunter.io/developer/788691093) |

## What reviewers say

### CAFS研究生

[App page](https://appshunter.io/ios/app/cafs/id1529694085)

**Features:** Vision Pro support

**In-app purchases:** none


### Preschool Maths 123

[App page](https://appshunter.io/ios/app/preschool-maths-123/id1635259399)

An educational game for preschoolers to learn numbers and early math concepts through engaging activities. It aims to foster mathematical thinking, improve number understanding, and develop creativity and concentration.

**Highlights:** Mathematics enlightenment, Early mathematics education, Learning numbers through games, Cultivating mathematical thinking, Improving number understanding, Developing creativity, Training concentration, Hand-eye coordination

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


## Frequently asked questions

### Is CAFS研究生 free?

CAFS研究生 is free to download, with no in-app purchases.

### Is Preschool Maths 123 free?

Preschool Maths 123 is free to download, with in-app purchases available.

### Do CAFS研究生 or Preschool Maths 123 have ads?

Preschool Maths 123 shows ads; CAFS研究生 does not.

### Which is updated more often, CAFS研究生 or Preschool Maths 123?

CAFS研究生 ships an update every 2 months, and Preschool Maths 123 every 3 weeks. Most recently, CAFS研究生 was updated on October 27, 2026 and Preschool Maths 123 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*