# Testora vs Sound K

The clearest difference is in-app purchases: Sound K at none against Testora's 3. Sound K also leads on ads (none vs shown) and update cadence (daily vs fortnightly). Testora's advantage is iOS requirement (17 vs 26.5). On price and device support there is nothing between them.

Both are free to download. Testora sells 3 in-app purchases, starting at $7.99 per 7 days. Sound K asks for nothing beyond the download.

Testora ships an update fortnightly, Sound K daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | Testora | Sound K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (448 ratings)](https://appshunter.io/ios/app/testora-brain-training-tests/id6758659540/reviews)** | — |
| Number of ratings | **448** | — |
| Positive reviews | 26.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 157 MB | 3 MB |
| Requires iOS | **17** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Extramile Limited](https://appshunter.io/developer/1698355411) | [DefectiveRobot LLC](https://appshunter.io/developer/1896730100) |

## What reviewers say

### Testora

[App page](https://appshunter.io/ios/app/testora-brain-training-tests/id6758659540)

This app offers brain training exercises and personality tests to enhance cognitive skills like attention and focus. It encourages self-discovery and personal insight through guided sessions and reflection tools, designed for everyday application without pressure or competition.

**Highlights:** Cognitive skill training, Personality tests, Guided self-reflection, Attention and focus exercises, Decision-making exploration, Regularly updated content

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Free Trial & Paid Weekly | $7.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |
| Lifetime Access | $49.99 | one-time |


### Sound K

[App page](https://appshunter.io/ios/app/sound-k-9/id6792377756)

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

**In-app purchases:** none


## Frequently asked questions

### Is Testora free?

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

### Is Sound K free?

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

### Do Testora or Sound K have ads?

Testora shows ads; Sound K does not.

### Which is updated more often, Testora or Sound K?

Testora ships an update fortnightly, and Sound K daily. Most recently, Testora was updated on October 25, 2026 and Sound K on October 25, 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.*