# BrainGym Ai vs Fluo

BrainGym Ai and Fluo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. BrainGym Ai sells 3 in-app purchases, starting at $6.99 per 7 days and Fluo sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

BrainGym Ai ships an update weekly, Fluo every 4 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | BrainGym Ai | Fluo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fluo-language-learning/id6759833037/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 137 MB | 54 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [dave desormeau](https://appshunter.io/developer/1874461805) | [Fluo Inc](https://appshunter.io/developer/1881057907) |

## What reviewers say

### BrainGym Ai

[App page](https://appshunter.io/ios/app/braingym-ai-brain-training/id6758684203)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainGym Ai - Weekly | $6.99 | per 7 days |
| BrainGym Ai - Annual | $69.99 | per year |
| BrainGym Ai - Streak Recovery | $0.99 | one-time |


### Fluo

[App page](https://appshunter.io/ios/app/fluo-language-learning/id6759833037)

Master Chinese vocabulary with AI-powered sentences and spaced repetition. Learn words that matter to you through personalized reviews and interactive exercises. Get instant explanations and track your progress to build lasting language skills.

**Highlights:** AI-generated personalized sentences, Spaced repetition for memory retention, Topic-based vocabulary learning, Active and passive recall modes, Instant grammar and usage explanations, Translate and learn from any text, Progress tracking and daily goals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluo Premium Monthly Subscription | $9.99 | per month |
| Fluo Premium Annual Subscription | $59.99 | per year |


## Frequently asked questions

### Is BrainGym Ai free?

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

### Is Fluo free?

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

### Do BrainGym Ai or Fluo have ads?

Neither BrainGym Ai nor Fluo shows ads.

### Which is updated more often, BrainGym Ai or Fluo?

BrainGym Ai ships an update weekly, and Fluo every 4 days. Most recently, BrainGym Ai was updated on October 25, 2026 and Fluo on October 14, 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.*