# Proportion Solver vs 数学口算练习

The clearest difference is price: Proportion Solver at Free against 数学口算练习's $0.99. Proportion Solver also leads on update cadence (every 6 weeks vs every 12 months). 数学口算练习's advantage is rating (4.5 vs 3.0) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Proportion Solver 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.

数学口算练习 holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: 数学口算练习 has 34 ratings behind it against 2, so its average is the more settled of the two.

Proportion Solver ships an update every 6 weeks, 数学口算练习 every 12 months. The most recent releases landed on September 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Proportion Solver | 数学口算练习 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/proportion-solver/id1532616220/reviews) | **[4.5 (34 ratings)](https://appshunter.io/ios/app/id1665809560/reviews)** |
| Number of ratings | 2 | **34** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Monetization | Ad-supported | **Free** |
| Size | 47 MB | 37 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Varotti](https://appshunter.io/developer/1501752853) | [森 袁](https://appshunter.io/developer/513885536) |

## What reviewers say

### Proportion Solver

[App page](https://appshunter.io/ios/app/proportion-solver/id1532616220)

This app provides step-by-step solutions for mathematical proportions. It's designed for students and math enthusiasts to learn, practice, and simplify calculations with an intuitive interface and theoretical resources.

**Highlights:** Automatic proportion solving with steps, Theory cards for understanding, Advanced math keyboard, Intuitive interface, Integrated learning, Supports all proportion types

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

**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 Proportion Solver free?

Proportion Solver 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.

### Which has better reviews, Proportion Solver or 数学口算练习?

数学口算练习 is rated higher. Proportion Solver averages 3.0 out of 5 from 2 ratings, while 数学口算练习 averages 4.5 from 34 ratings.

### Do Proportion Solver or 数学口算练习 have ads?

Proportion Solver shows ads; 数学口算练习 does not.

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

Proportion Solver ships an update every 6 weeks, and 数学口算练习 every 12 months. Most recently, Proportion Solver was updated on September 3, 2026 and 数学口算练习 on September 28, 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.*