# aira vs MMVault

The clearest difference is update cadence: MMVault at every 2 days against aira's every 2 weeks. MMVault also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

aira ships an update every 2 weeks, MMVault every 2 days. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | aira | MMVault |
| --- | --- | --- |
| 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 | **Every 2 days** |
| Monetization | Free | — |
| Size | 56 MB | 30 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | +4 |
| Developer | [John Lim](https://appshunter.io/developer/1886852946) | [FrostPixel LDA](https://appshunter.io/developer/1649806793) |

## What reviewers say

### 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


### MMVault

[App page](https://appshunter.io/ios/app/mmvault-provable-ai-memory/id6766753408)

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

**In-app purchases:** none


## Frequently asked questions

### Is aira free?

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

### Is MMVault free?

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

### Do aira or MMVault have ads?

Neither aira nor MMVault shows ads.

### Which is updated more often, aira or MMVault?

aira ships an update every 2 weeks, and MMVault every 2 days. Most recently, aira was updated on October 28, 2026 and MMVault on October 9, 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.*