# WoShiAI vs Grade 9 Math Practice

The clearest difference is price: WoShiAI at Free against Grade 9 Math Practice's $0.49. WoShiAI also leads on update cadence (daily vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

WoShiAI is free to download; Grade 9 Math Practice costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

WoShiAI ships an update daily, Grade 9 Math Practice fortnightly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | WoShiAI | Grade 9 Math Practice |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Size | 57 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Kyung-Hoon Kim](https://appshunter.io/developer/1692166882) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### WoShiAI

[App page](https://appshunter.io/ios/app/woshiai/id6475423665)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grade 9 Math Practice

[App page](https://appshunter.io/ios/app/grade-9-math-practice/id6757458527)

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

**In-app purchases:** none


## Frequently asked questions

### Is WoShiAI free?

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

### Is Grade 9 Math Practice free?

Grade 9 Math Practice costs $0.49, with no in-app purchases.

### Do WoShiAI or Grade 9 Math Practice have ads?

Neither WoShiAI nor Grade 9 Math Practice shows ads.

### Which is updated more often, WoShiAI or Grade 9 Math Practice?

WoShiAI ships an update daily, and Grade 9 Math Practice fortnightly. Most recently, WoShiAI was updated on October 7, 2026 and Grade 9 Math Practice on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*