# Onsei vs Ashidori

The clearest difference is in-app purchases: Onsei at none against Ashidori's 1. Onsei also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Ashidori sells 1 one-off in-app purchase. Onsei asks for nothing beyond the download.

## The numbers

| Metric | Onsei | Ashidori |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [鑫 陈](https://appshunter.io/developer/1709457072) | [GYOU GI](https://appshunter.io/developer/6776104453) |

## What reviewers say

### Onsei

[App page](https://appshunter.io/ios/app/onsei/id6761715885)

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

**In-app purchases:** none


### Ashidori

[App page](https://appshunter.io/ios/app/ashidori-chart-indicators/id6806548765)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock every chapter | $19.99 | one-time |


## Frequently asked questions

### Is Onsei free?

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

### Is Ashidori free?

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

### Do Onsei or Ashidori have ads?

Neither Onsei nor Ashidori 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.*