# Klang.ai vs Project Diary

The clearest difference is in-app purchases: Klang.ai at none against Project Diary's 2. Klang.ai also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Project Diary sells 2 in-app purchases, starting at $4.99 per year. Klang.ai asks for nothing beyond the download.

Klang.ai ships an update every 9 days, Project Diary every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Klang.ai | Project Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Free | — |
| Size | 90 MB | 20 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Klang AI AB](https://appshunter.io/developer/1862256502) | [Tillman Konsult AB](https://appshunter.io/developer/1818254103) |

## What reviewers say

### Klang.ai

[App page](https://appshunter.io/ios/app/klangai-ai-meeting-notes/id6756681693)

Record conversations anywhere, transcribe them accurately, and generate instant summaries with key points and action items. Search across all your past discussions to easily find information and build a knowledge base for your team. Offers robust security and privacy features, with data stored in Europe.

**Highlights:** Record in-person meetings and voice notes, Multilingual transcription with speaker identification, Automatic summaries with key points and action items, Searchable conversation history, Record and transcribe phone calls, Secure, encrypted workspace with European data storage

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

**In-app purchases:** none


### Project Diary

[App page](https://appshunter.io/ios/app/project-diary/id6761636682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project Diary Pro | $4.99 | per year |
| Project Diary Premium (Lifetime) | $7.99 | one-time |


## Frequently asked questions

### Is Klang.ai free?

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

### Is Project Diary free?

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

### Do Klang.ai or Project Diary have ads?

Project Diary shows ads; Klang.ai does not.

### Which is updated more often, Klang.ai or Project Diary?

Klang.ai ships an update every 9 days, and Project Diary every 8 days. Most recently, Klang.ai was updated on October 25, 2026 and Project Diary on October 25, 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.*