# WhatsDiaries vs aira

The clearest difference is update cadence: aira at every 2 weeks against WhatsDiaries's monthly. WhatsDiaries's advantage is device support (3 vs 1) and iOS requirement (15.1 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.

WhatsDiaries ships an update monthly, aira every 2 weeks. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | WhatsDiaries | 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 | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 43 MB | 56 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Cagdas Kahraman](https://appshunter.io/developer/1669895430) | [John Lim](https://appshunter.io/developer/1886852946) |

## What reviewers say

### WhatsDiaries

[App page](https://appshunter.io/ios/app/whatsdiaries/id6664059077)

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

**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 WhatsDiaries free?

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

### Is aira free?

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

### Do WhatsDiaries or aira have ads?

Neither WhatsDiaries nor aira shows ads.

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

WhatsDiaries ships an update monthly, and aira every 2 weeks. Most recently, WhatsDiaries was updated on October 25, 2026 and aira on November 5, 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.*