# The Brain Trainer App vs Prosperous Joy

The Brain Trainer App and Prosperous Joy 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. Neither carries in-app purchases, so what you see is what you pay.

The Brain Trainer App ships an update every 22 months, Prosperous Joy every 21 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | The Brain Trainer App | Prosperous Joy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 22 months | **Every 21 months** |
| Size | 16 MB | 24 MB |
| Requires iOS | 18.2 | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Holly Stokes](https://appshunter.io/developer/1634052921) | [Jennifer Kay Schramm](https://appshunter.io/developer/1747777776) |

## What reviewers say

### The Brain Trainer App

[App page](https://appshunter.io/ios/app/the-brain-trainer-app/id1634052918)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prosperous Joy

[App page](https://appshunter.io/ios/app/prosperous-joy/id6503011494)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Brain Trainer App free?

The Brain Trainer App is free to download, with no in-app purchases.

### Is Prosperous Joy free?

Prosperous Joy is free to download, with no in-app purchases.

### Do The Brain Trainer App or Prosperous Joy have ads?

Both The Brain Trainer App and Prosperous Joy show ads.

### Which is updated more often, The Brain Trainer App or Prosperous Joy?

The Brain Trainer App ships an update every 22 months, and Prosperous Joy every 21 months. Most recently, The Brain Trainer App was updated on October 27, 2026 and Prosperous Joy on October 27, 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.*