# 学Pay vs Number line matching

The clearest difference is ads: 学Pay at none against Number line matching's shown. Number line matching's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (12.0 vs 14.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

学Pay ships an update every 3 months, Number line matching every 9 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 学Pay | Number line matching |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 3 MB | 82 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) | [kenta yamada](https://appshunter.io/developer/1698424335) |

## What reviewers say

### 学Pay

[App page](https://appshunter.io/ios/app/pay/id1635665891)

**In-app purchases:** none


### Number line matching

[App page](https://appshunter.io/ios/app/number-line-matching/id6472777849)

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

**In-app purchases:** none


## Frequently asked questions

### Is 学Pay free?

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

### Is Number line matching free?

Number line matching is free to download, with no in-app purchases.

### Do 学Pay or Number line matching have ads?

Number line matching shows ads; 学Pay does not.

### Which is updated more often, 学Pay or Number line matching?

学Pay ships an update every 3 months, and Number line matching every 9 days. Most recently, 学Pay was updated on October 3, 2026 and Number line matching on October 7, 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.*