# PostExo vs 数学口算练习

The clearest difference is price: PostExo at Free against 数学口算练习's $0.99. PostExo also leads on update cadence (every 3 weeks vs every 12 months). 数学口算练习's advantage is iOS requirement (10.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

PostExo is free to download; 数学口算练习 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PostExo ships an update every 3 weeks, 数学口算练习 every 12 months. The most recent releases landed on December 30, 2025 and October 27, 2026 respectively.

## The numbers

| Metric | PostExo | 数学口算练习 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.5 (34 ratings)](https://appshunter.io/ios/app/id1665809560/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | — | Free |
| Size | 63 MB | 37 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PostExo](https://appshunter.io/developer/1538146516) | [森 袁](https://appshunter.io/developer/513885536) |

## What reviewers say

### PostExo

[App page](https://appshunter.io/ios/app/postexo/id1457164471)

**Features:** Apple Wallet

**In-app purchases:** none


### 数学口算练习

[App page](https://appshunter.io/ios/app/id1665809560)

This app offers a fun way for elementary school students to practice mental math and vertical calculations. It includes features like a practice log and a mistake notebook to help children improve their math skills through engaging activities.

**Highlights:** Mental math practice, Vertical calculation practice, Mistake notebook, Practice records, Math skill improvement, Early math education

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PostExo free?

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

### Is 数学口算练习 free?

数学口算练习 costs $0.99, with no in-app purchases.

### Do PostExo or 数学口算练习 have ads?

Neither PostExo nor 数学口算练习 shows ads.

### Which is updated more often, PostExo or 数学口算练习?

PostExo ships an update every 3 weeks, and 数学口算练习 every 12 months. Most recently, PostExo was updated on December 30, 2025 and 数学口算练习 on October 27, 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.*