# 考研数学公式 vs Combinatorics Calculator

The clearest difference is in-app purchases: 考研数学公式 at none against Combinatorics Calculator's 8. 考研数学公式 also leads on iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Combinatorics Calculator sells 8 one-off in-app purchases. 考研数学公式 asks for nothing beyond the download.

## The numbers

| Metric | 考研数学公式 | Combinatorics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 44 MB | 180 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Xiaoke Technology Co., Ltd.](https://appshunter.io/developer/1622340450) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### 考研数学公式

[App page](https://appshunter.io/ios/app/id6461166451)

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

**In-app purchases:** none


### Combinatorics Calculator

[App page](https://appshunter.io/ios/app/combinatorics-calculator/id6472453602)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is 考研数学公式 free?

考研数学公式 is free to download, with no in-app purchases.

### Is Combinatorics Calculator free?

Combinatorics Calculator is free to download, with in-app purchases available.

### Do 考研数学公式 or Combinatorics Calculator have ads?

Neither 考研数学公式 nor Combinatorics Calculator shows ads.

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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.*