# Brainfly vs ChatGenius AI

The clearest difference is price: Brainfly at Free against ChatGenius AI's $3.99. ChatGenius AI's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Brainfly is free to download; ChatGenius AI costs $3.99 up front. Brainfly sells 2 in-app purchases, starting at $5.99 per 7 days. ChatGenius AI asks for nothing beyond the download.

Brainfly ships an update every 9 days, ChatGenius AI weekly. The most recent releases landed on May 17, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Brainfly | ChatGenius AI |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/chatgenius-ai-ask-anything/id6452879331/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | — | Paid |
| Size | 122 MB | 68 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Playgra Ltd.](https://appshunter.io/developer/1452101524) | [Christopher Wilson](https://appshunter.io/developer/627783741) |

## What reviewers say

### Brainfly

[App page](https://appshunter.io/ios/app/brainfly/id6449232055)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Yearly Subscription | $59.99 | per year |


### ChatGenius AI

[App page](https://appshunter.io/ios/app/chatgenius-ai-ask-anything/id6452879331)

This AI-powered assistant can answer any question, write various content like stories and code, and help you practice languages. It offers personalized recommendations and a human-like chat experience.

**Highlights:** Ask anything and get instant answers, Write stories, poems, songs, and code, Practice and translate any language, Get personalized recommendations, Human-like conversational AI, Explore career advice

**In-app purchases:** none


## Frequently asked questions

### Is Brainfly free?

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

### Is ChatGenius AI free?

ChatGenius AI costs $3.99, with no in-app purchases.

### Do Brainfly or ChatGenius AI have ads?

Neither Brainfly nor ChatGenius AI shows ads.

### Which is updated more often, Brainfly or ChatGenius AI?

Brainfly ships an update every 9 days, and ChatGenius AI weekly. Most recently, Brainfly was updated on May 17, 2026 and ChatGenius AI on June 10, 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.*