# MoBoo vs Mimir Books

The clearest difference is ads: Mimir Books at none against MoBoo's shown. Mimir Books also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MoBoo sells 10 in-app purchases, starting at $19.99 per year 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.

MoBoo ships an update every 3 months, Mimir Books every 3 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MoBoo | Mimir Books |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 67 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MoBoo, LLC](https://appshunter.io/developer/1089503086) | [Juan Bautista Galvan](https://appshunter.io/developer/1885857997) |

## What reviewers say

### MoBoo

[App page](https://appshunter.io/ios/app/moboo/id1089503087)

This app uses AI to find books your child will love, matching their interests and reading level. It helps children improve their reading skills with personalized suggestions and progress tracking. Parents can customize recommendations and monitor their child's development.

**Highlights:** AI-powered book recommendations, Personalized reading level adjustments, Parental controls for topic selection, Progress tracking and milestone celebration, Wide range of book options, Data-backed suggestions from educators

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoBoo Yearly Base Fee | $19.99 | per year |
| MoBoo Yearly Rec. 2 Children | $39.99 | per year |
| MoBoo Yearly Rec. 3 Children | $49.99 | per year |
| MoBoo Yearly Rec. 4 Children | $59.99 | per year |
| MoBoo Yearly Rec. 5 Children | $69.99 | per year |
| MoBoo Yearly Rec. 6 Children | $79.99 | per year |
| MoBoo Yearly Rec. 7 Children | $89.99 | per year |
| MoBoo Yearly Rec. 8 Children | $99.99 | per year |
| MoBoo Yearly Rec. 9 Children | $109.99 | per year |
| MoBoo Yearly Rec. 10 Children | $119.99 | 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 MoBoo free?

MoBoo 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 MoBoo or Mimir Books have ads?

MoBoo shows ads; Mimir Books does not.

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

MoBoo ships an update every 3 months, and Mimir Books every 3 weeks. Most recently, MoBoo was updated on October 7, 2026 and Mimir Books on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*