# Cognihab vs Bubble Blind

The clearest difference is in-app purchases: Cognihab at none against Bubble Blind's 5. Cognihab also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). Bubble Blind's advantage is update cadence (every 5 days vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Bubble Blind sells 5 one-off in-app purchases. Cognihab asks for nothing beyond the download.

Cognihab ships an update every 3 weeks, Bubble Blind every 5 days. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Cognihab | Bubble Blind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 1.6 GB | 13 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cognihab Healthcare Solutions Private Limited](https://appshunter.io/developer/1756868806) | [Dmitro Havrylenko](https://appshunter.io/developer/1817986037) |

## What reviewers say

### Cognihab

[App page](https://appshunter.io/ios/app/cognihab/id6535676522)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Blind

[App page](https://appshunter.io/ios/app/bubble-blind/id6758277450)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Boost | $3.99 | one-time |
| Big Boost | $7.99 | one-time |
| Ultra | $14.99 | one-time |


## Frequently asked questions

### Is Cognihab free?

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

### Is Bubble Blind free?

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

### Do Cognihab or Bubble Blind have ads?

Bubble Blind shows ads; Cognihab does not.

### Which is updated more often, Cognihab or Bubble Blind?

Cognihab ships an update every 3 weeks, and Bubble Blind every 5 days. Most recently, Cognihab was updated on October 5, 2026 and Bubble Blind on September 24, 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.*