# ReadNotes vs Mimir Books

The clearest difference is iOS requirement: Mimir Books at 15.0 against ReadNotes's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ReadNotes sells 2 in-app purchases, starting at $4.99 per month and Mimir Books sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReadNotes ships an update monthly, Mimir Books every 3 weeks. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ReadNotes | Mimir Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/readnotes-book-tracker/id6757447671/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 14 MB | 67 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AKSHAT ROHELLA](https://appshunter.io/developer/1867029338) | [Juan Bautista Galvan](https://appshunter.io/developer/1885857997) |

## What reviewers say

### ReadNotes

[App page](https://appshunter.io/ios/app/readnotes-book-tracker/id6757447671)

This app helps you remember what you read by taking notes while you read, cleaning them with AI, and generating key takeaways. It tracks your reading progress, builds a personal knowledge library, and offers spaced repetition flashcards.

**Highlights:** AI-powered note cleaning, Key takeaway generation, Reading progress tracking, Spaced repetition flashcards, Personal knowledge library, Reading statistics and streaks, Goodreads library import

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadNotes+ Monthly | $4.99 | per month |
| ReadNotes+ Annual | $19.99 | per year |


### Mimir Books

[App page](https://appshunter.io/ios/app/mimir-books/id6760713165)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mimir Books: Monthly Access | $3.99 | per month |
| Mimir Books: Yearly Access | $39.99 | per year |
| Mimir Books: Lifetime Access | $99.99 | one-time |


## Frequently asked questions

### Is ReadNotes free?

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

### Is Mimir Books free?

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

### Do ReadNotes or Mimir Books have ads?

Neither ReadNotes nor Mimir Books shows ads.

### Which is updated more often, ReadNotes or Mimir Books?

ReadNotes ships an update monthly, and Mimir Books every 3 weeks. Most recently, ReadNotes was updated on October 5, 2026 and Mimir Books 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.*