# Lyme vs Kompound

The clearest difference is in-app purchases: Kompound at none against Lyme's 3. Lyme's advantage is ratings volume (7 vs 1) and iOS requirement (15.1 vs 26.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Lyme sells 3 in-app purchases, starting at $4.99 per month. Kompound asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Lyme against 5.0 for Kompound. That said, the two scores are not equally well evidenced: Lyme has 7 ratings behind it against 1, so its average is the more settled of the two.

Lyme ships an update every 5 days, Kompound every 4 days. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Lyme | Kompound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/lyme-ai-notetaker/id6739430780/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kompound-knowledge-compounded/id6766843645/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 489 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francois Mari](https://appshunter.io/developer/1598621137) | [MAURICIO GOMEZ DIAZ](https://appshunter.io/developer/1896330701) |

## What reviewers say

### Lyme

[App page](https://appshunter.io/ios/app/lyme-ai-notetaker/id6739430780)

Record voice notes, transcribe them accurately, and leverage AI to summarize, extract insights, and create study flashcards. Organize, search, and share your audio content effortlessly.

**Highlights:** Effortless voice recording, Accurate transcriptions, Interactive AI summarization, AI-generated flashcards, Quick organization by subject/tag, Powerful keyword search, Easy sharing of notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Starter Plan (monthly) | $4.99 | per month |
| Echo Plus Plan (monthly) | $12.99 | per month |
| Echo Pro Plan (monthly) | $19.99 | per month |


### Kompound

[App page](https://appshunter.io/ios/app/kompound-knowledge-compounded/id6766843645)

This app helps you capture, organize, and connect your ideas from various sources. It uses AI to structure thoughts, surfaces forgotten knowledge, and generates new insights by linking disparate information. Your private library keeps your ideas working for you.

**Highlights:** Instant idea capture via voice or text, Import Kindle highlights and book quotes, AI-powered idea structuring and organization, Automatic tagging and self-organizing library, Discover connections between forgotten thoughts, Generate personalized insights from your library, Private and local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lyme free?

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

### Is Kompound free?

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

### Which has better reviews, Lyme or Kompound?

Lyme and Kompound are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Lyme or Kompound have ads?

Neither Lyme nor Kompound shows ads.

### Which is updated more often, Lyme or Kompound?

Lyme ships an update every 5 days, and Kompound every 4 days. Most recently, Lyme was updated on October 14, 2026 and Kompound on October 13, 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.*