# 兒童學數學加減乘除 vs Railingo

The clearest difference is in-app purchases: 兒童學數學加減乘除 at none against Railingo's 10. 兒童學數學加減乘除 also leads on iOS requirement (6.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Railingo sells 10 one-off in-app purchases. 兒童學數學加減乘除 asks for nothing beyond the download.

## The numbers

| Metric | 兒童學數學加減乘除 | Railingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Size | 15 MB | 150 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [碧云 钱](https://appshunter.io/developer/961420620) | [Hot Season Enterprise, Inc.](https://appshunter.io/developer/1860855421) |

## What reviewers say

### 兒童學數學加減乘除

[App page](https://appshunter.io/ios/app/id1195406406)

**Features:** macOS Compatibility

**In-app purchases:** none


### Railingo

[App page](https://appshunter.io/ios/app/railingo/id6792269849)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Map & Geography Explorer | $2.99 | one-time |
| French AZERTY Line | $3.99 | one-time |
| Network Transfers | $3.99 | one-time |
| German QWERTZ Line | $3.99 | one-time |
| Spanish Typing Line | $3.99 | one-time |
| Assignment Scheduler | $4.99 | one-time |
| Diagnostics Replay | $5.99 | one-time |
| Assessment Builder | $7.99 | one-time |
| Classroom Handoff Kiosk | $9.99 | one-time |
| Learning Lab Expansion | $27.99 | one-time |


## Frequently asked questions

### Is 兒童學數學加減乘除 free?

兒童學數學加減乘除 is free to download, with no in-app purchases.

### Is Railingo free?

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

### Do 兒童學數學加減乘除 or Railingo have ads?

Neither 兒童學數學加減乘除 nor Railingo 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.*