# Tetu vs aira

The clearest difference is iOS requirement: Tetu at 15.1 against aira's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Tetu | aira |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/aira-private-second-brain/id6760924946/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free |
| Size | 40 MB | 56 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Juan Esteban De Guzman](https://appshunter.io/developer/1861178480) | [John Lim](https://appshunter.io/developer/1886852946) |

## What reviewers say

### Tetu

[App page](https://appshunter.io/ios/app/tetu/id6756526301)

**Features:** macOS Compatibility

**In-app purchases:** none


### aira

[App page](https://appshunter.io/ios/app/aira-private-second-brain/id6760924946)

This app helps you take notes and record meetings. It transcribes audio, summarizes content with AI, and allows you to link notes and ask questions about your data. All information is stored locally and encrypted for privacy.

**Highlights:** Rich text notes, Tagging and note linking, Embedded meeting recordings, AI transcription and summaries, Offline search and Q&A, Encrypted local storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Tetu free?

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

### Is aira free?

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

### Do Tetu or aira have ads?

Neither Tetu nor aira 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.*