# Happi Studios vs One

The clearest difference is update cadence: One at weekly against Happi Studios's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Happi Studios ships an update every 5 months, One weekly. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Happi Studios | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 61 MB | 41 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [Happi Studios Pty Ltd](https://appshunter.io/developer/1541149047) | [Advanced Neuropsychological Treatment Services (ANTS)](https://appshunter.io/developer/1885660155) |

## What reviewers say

### Happi Studios

[App page](https://appshunter.io/ios/app/happi-studios/id1638247216)

**Features:** macOS Compatibility

**In-app purchases:** none


### One

[App page](https://appshunter.io/ios/app/one-word-memory-test/id6760676561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Happi Studios free?

Happi Studios is free to download, with no in-app purchases.

### Is One free?

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

### Do Happi Studios or One have ads?

Neither Happi Studios nor One shows ads.

### Which is updated more often, Happi Studios or One?

Happi Studios ships an update every 5 months, and One weekly. Most recently, Happi Studios was updated on November 3, 2026 and One on October 28, 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.*