# Pi Deliberate vs Ino

The clearest difference is in-app purchases: Pi Deliberate at none against Ino's 1. Pi Deliberate also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Pi Deliberate | Ino |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Byeongsoo Kim](https://appshunter.io/developer/1440292411) | [Ariel Walters](https://appshunter.io/developer/1850200463) |

## What reviewers say

### Pi Deliberate

[App page](https://appshunter.io/ios/app/pi-deliberate/id6757496426)

This app uses memorizing digits of pi to train expertise through deliberate practice. It provides a valid environment, repetitions, and timely feedback to foster recognition, memory, and intuition.

**Highlights:** Memorize digits of pi, Deliberate practice training, Timely feedback on accuracy, Track progress based on mastery, Learn using chunking method, Develop recognition and memory

**Features:** macOS Compatibility

**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 Deliberate free?

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

### Is Ino free?

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

### Do Pi Deliberate or Ino have ads?

Neither Pi Deliberate nor Ino shows ads.

---

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