# Duoler vs BrainPower Training

The clearest difference is update cadence: BrainPower Training at daily against Duoler's every 3 months. BrainPower Training also leads on iOS requirement (15.1 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Duoler sells 2 in-app purchases, starting at $2.99 per month and BrainPower Training sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Duoler ships an update every 3 months, BrainPower Training daily. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Duoler | BrainPower Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 642 MB | 38 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [翠涓 徐](https://appshunter.io/developer/1817823992) | [CodePower ApS](https://appshunter.io/developer/1691386785) |

## What reviewers say

### Duoler

[App page](https://appshunter.io/ios/app/duoler/id6756180237)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual Subscription | $24.99 | per year |


### BrainPower Training

[App page](https://appshunter.io/ios/app/brainpower-training/id6760966056)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainPower Supporter | $3.99 | one-time |


## Frequently asked questions

### Is Duoler free?

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

### Is BrainPower Training free?

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

### Do Duoler or BrainPower Training have ads?

Neither Duoler nor BrainPower Training shows ads.

### Which is updated more often, Duoler or BrainPower Training?

Duoler ships an update every 3 months, and BrainPower Training daily. Most recently, Duoler was updated on October 30, 2026 and BrainPower Training on November 9, 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.*