# AIDO vs Phi

The clearest difference is iOS requirement: Phi at 13.4 against AIDO's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AIDO ships an update every 6 weeks, Phi every 2 months. The most recent releases landed on June 5, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | AIDO | Phi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 36 MB | 33 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STUDIO ROMBOLI SRL SOCIETA' BENEFIT O IN BREVE STUDIO ROM BOLI SRL S.B.](https://appshunter.io/developer/1718779506) | [RuneLab](https://appshunter.io/developer/1497549456) |

## What reviewers say

### AIDO

[App page](https://appshunter.io/ios/app/aido/id1577591334)

This app promotes organ donation and a healthy lifestyle. Users can register as donors, stay informed about news and events, and access a growing list of features designed to support a culture of donation.

**Highlights:** Register as an organ donor, Digital signature for consent, View news and events, Save favorite posts, Promote healthy lifestyle, Receive app updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Phi

[App page](https://appshunter.io/ios/app/phi/id6480114005)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AIDO free?

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

### Is Phi free?

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

### Do AIDO or Phi have ads?

Neither AIDO nor Phi shows ads.

### Which is updated more often, AIDO or Phi?

AIDO ships an update every 6 weeks, and Phi every 2 months. Most recently, AIDO was updated on June 5, 2026 and Phi on September 12, 2026.

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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.*