# MindDrops vs BookBii

The clearest difference is in-app purchases: BookBii at none against MindDrops's 5. BookBii also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). MindDrops's advantage is update cadence (every 4 days vs monthly). On price and ads there is nothing between them.

Both are free to download. MindDrops sells 5 in-app purchases, starting at $4.99 per month. BookBii asks for nothing beyond the download.

MindDrops ships an update every 4 days, BookBii monthly. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MindDrops | BookBii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 16 MB | 63 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [APP DEV MASTERS LTD](https://appshunter.io/developer/1142119189) | [Enedoa Private Limited](https://appshunter.io/developer/1885591031) |

## What reviewers say

### MindDrops

[App page](https://appshunter.io/ios/app/minddrops-audio-learning/id6757799010)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $39.99 | per year |
| 10 Lesson Credits | $2.99 | one-time |
| 25 Lesson Credits | $5.99 | one-time |
| 50 Lesson Credits | $9.99 | one-time |


### BookBii

[App page](https://appshunter.io/ios/app/bookbii/id6760661905)

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

**In-app purchases:** none


## Frequently asked questions

### Is MindDrops free?

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

### Is BookBii free?

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

### Do MindDrops or BookBii have ads?

Neither MindDrops nor BookBii shows ads.

### Which is updated more often, MindDrops or BookBii?

MindDrops ships an update every 4 days, and BookBii monthly. Most recently, MindDrops was updated on October 26, 2026 and BookBii on October 12, 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.*