# Ask Sunny vs BioHacker

The clearest difference is in-app purchases: Ask Sunny at none against BioHacker's 2. BioHacker's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. BioHacker sells 2 in-app purchases, starting at $4.99 per month. Ask Sunny asks for nothing beyond the download.

Ask Sunny ships an update every 4 months, BioHacker every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ask Sunny | BioHacker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 16 MB | 17 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Sunny Health AI](https://appshunter.io/developer/1839353581) | [Mustafa Kandemir](https://appshunter.io/developer/1876140984) |

## What reviewers say

### Ask Sunny

[App page](https://appshunter.io/ios/app/ask-sunny/id6752448989)

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

**In-app purchases:** none


### BioHacker

[App page](https://appshunter.io/ios/app/biohacker-quit-caffeine-coach/id6766296425)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Ask Sunny free?

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

### Is BioHacker free?

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

### Do Ask Sunny or BioHacker have ads?

Neither Ask Sunny nor BioHacker shows ads.

### Which is updated more often, Ask Sunny or BioHacker?

Ask Sunny ships an update every 4 months, and BioHacker every 2 weeks. Most recently, Ask Sunny was updated on November 5, 2026 and BioHacker on October 31, 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.*