# Brain Boost vs AI PromptBase

The clearest difference is ads: AI PromptBase at none against Brain Boost's shown. AI PromptBase also leads on ratings volume (132 vs 4) and iOS requirement (13.0 vs 16.0). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Brain Boost sells 5 in-app purchases, starting at $2.99 per 7 days and AI PromptBase sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Brain Boost against 4.7 for AI PromptBase. That said, the two scores are not equally well evidenced: AI PromptBase has 132 ratings behind it against 4, so its average is the more settled of the two.

Brain Boost ships an update every 10 days, AI PromptBase weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Brain Boost | AI PromptBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/brain-boost-ai-chatbot/id1666176202/reviews)** | [4.7 (132 ratings)](https://appshunter.io/ios/app/ai-promptbase-art-generator/id6448318366/reviews) |
| Number of ratings | 4 | **132** |
| Positive reviews | — | 89.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 16 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MobiGlance](https://appshunter.io/developer/484122622) | [祥全 夏](https://appshunter.io/developer/1227407667) |

## What reviewers say

### Brain Boost

[App page](https://appshunter.io/ios/app/brain-boost-ai-chatbot/id1666176202)

This AI-powered productivity tool offers a suite of prompts and templates to help users generate content, brainstorm ideas, and streamline tasks. It features AI chat capabilities for instant feedback and inspiration, assisting with everything from writing letters to scripting videos.

**Highlights:** AI-powered prompts and templates, Content generation for letters and videos, AI chat for brainstorming, Writer's block assistance, Idea generation, Task completion assistance

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Weekly | $5.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium Monthly | $14.99 | per month |
| Premium Annual | $49.99 | per year |


### AI PromptBase

[App page](https://appshunter.io/ios/app/ai-promptbase-art-generator/id6448318366)

Discover and utilize a curated collection of high-quality AI prompts for various tasks. This app helps you find effective prompts to program AI models, offering creative, technical, and conversational assistance.

**Highlights:** High-quality AI prompt collection, Creative idea generation, Technical coding assistance, Product name generation, Multilingual support, Poetry and literature creation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Prompts | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use and user-friendly interface
- 💡 High-quality and creative prompts
- 🎨 Versatile for multiple AI tools (ChatGPT, Midjourney, DALL-E)
- 🚀 Improves AI output quality significantly
- 📚 Extensive database of prompt ideas

**What reviewers complain about**

- 💰 High subscription cost ($14.99) for limited value
- ⚠️ Limited free credits/unlocks initially
- 🎲 Inconsistent prompt quality across categories
- 📱 Fewer prompts in app compared to website
- 🤔 Requires review completion to access features

**Reported bugs**

- UI freezes when tapping 'get prompt' button with loading spinner stuck
- Prompts fail to load after purchase
- App functionality issues preventing prompt retrieval

**Requested features**

- More prompts added to mobile app to match website library
- Additional prompt categories (e.g., 'drip posting' prompts)
- Lower subscription pricing tier
- More generous free trial credits


## Frequently asked questions

### Is Brain Boost free?

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

### Is AI PromptBase free?

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

### Which has better reviews, Brain Boost or AI PromptBase?

Brain Boost is rated higher. Brain Boost averages 4.8 out of 5 from 4 ratings, while AI PromptBase averages 4.7 from 132 ratings.

### Do Brain Boost or AI PromptBase have ads?

Brain Boost shows ads; AI PromptBase does not.

### Which is updated more often, Brain Boost or AI PromptBase?

Brain Boost ships an update every 10 days, and AI PromptBase weekly. Most recently, Brain Boost was updated on October 24, 2026 and AI PromptBase on October 30, 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.*