# pi! vs Ino

The clearest difference is in-app purchases: pi! at none against Ino's 1. pi! also leads on device support (3 vs 1). Ino's advantage is iOS requirement (17.6 vs 26.0). On price and ads there is nothing between them.

Both are free to download. Ino sells 1 one-off in-app purchase. pi! asks for nothing beyond the download.

## The numbers

| Metric | pi! | Ino |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 4 MB | 8 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sijun Yang](https://appshunter.io/developer/1819339978) | [Ariel Walters](https://appshunter.io/developer/1850200463) |

## What reviewers say

### pi!

[App page](https://appshunter.io/ios/app/pi/id6760577760)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Ino

[App page](https://appshunter.io/ios/app/ino-study-tracker-and-focus/id6761457214)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ino Plus Global | $12.99 | one-time |


## Frequently asked questions

### Is pi! free?

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

### Is Ino free?

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

### Do pi! or Ino have ads?

Neither pi! nor Ino 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.*