# BrainDrops vs Book Creator

The clearest difference is update cadence: Book Creator at every 5 weeks against BrainDrops's every 33 months. Book Creator also leads on iOS requirement (17.2 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BrainDrops sells 1 one-off in-app purchase and Book Creator sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

BrainDrops ships an update every 33 months, Book Creator every 5 weeks. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BrainDrops | Book Creator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (27 ratings)](https://appshunter.io/ios/app/book-creator-write-a-book/id6470928496/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 60 MB |
| Requires iOS | 26.0 | **17.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Markus Fox](https://appshunter.io/developer/1619106950) | [Kaan Yildiz](https://appshunter.io/developer/1473960483) |

## What reviewers say

### BrainDrops

[App page](https://appshunter.io/ios/app/braindrops-collecting-wisdom/id1668063916)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |


### Book Creator

[App page](https://appshunter.io/ios/app/book-creator-write-a-book/id6470928496)

This AI-powered writing assistant helps with all stages of your writing process. It can generate content, answer questions, and provide recommendations across a wide range of topics. A subscription is required to access its full capabilities.

**Highlights:** AI-powered writing engine, Assistance in every writing step, Handles diverse input topics, Answers questions and provides advice, Generates recipes to scientific articles

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Writer's AI Weekly | $4.99 | per 7 days |
| Writer's AI Weekly | $7.99 | per 7 days |
| Writer's AI Annually | $39.99 | per year |
| Writer's AI Annually | $44.99 | per year |
| Writer's AI Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is BrainDrops free?

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

### Is Book Creator free?

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

### Do BrainDrops or Book Creator have ads?

Neither BrainDrops nor Book Creator shows ads.

### Which is updated more often, BrainDrops or Book Creator?

BrainDrops ships an update every 33 months, and Book Creator every 5 weeks. Most recently, BrainDrops was updated on October 4, 2026 and Book Creator 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.*