# Zephyr Digital vs Brain Accelerator Academy

The clearest difference is in-app purchases: Zephyr Digital at none against Brain Accelerator Academy's 1. Zephyr Digital also leads on iOS requirement (13.0 vs 15.1). Brain Accelerator Academy's advantage is update cadence (every 5 weeks vs every 39 months). On price, ads and device support there is nothing between them.

Both are free to download. Brain Accelerator Academy sells 1 one-off in-app purchase. Zephyr Digital asks for nothing beyond the download.

Zephyr Digital ships an update every 39 months, Brain Accelerator Academy every 5 weeks. Both last shipped on October 9, 2026.

## The numbers

| Metric | Zephyr Digital | Brain Accelerator Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 5 weeks** |
| Size | 67 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MashupTech](https://appshunter.io/developer/1561008509) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### Zephyr Digital

[App page](https://appshunter.io/ios/app/zephyr-digital/id6443472547)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Accelerator Academy

[App page](https://appshunter.io/ios/app/brain-accelerator-academy/id6752009455)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Club | $49.99 | one-time |


## Frequently asked questions

### Is Zephyr Digital free?

Zephyr Digital is free to download, with no in-app purchases.

### Is Brain Accelerator Academy free?

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

### Do Zephyr Digital or Brain Accelerator Academy have ads?

Neither Zephyr Digital nor Brain Accelerator Academy shows ads.

### Which is updated more often, Zephyr Digital or Brain Accelerator Academy?

Zephyr Digital ships an update every 39 months, and Brain Accelerator Academy every 5 weeks. Most recently, Zephyr Digital was updated on October 9, 2026 and Brain Accelerator Academy on October 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.*