# What Doctors Know vs WiseGut

The clearest difference is in-app purchases: WiseGut at none against What Doctors Know's 10. WiseGut also leads on update cadence (every 3 weeks vs every 4 months). What Doctors Know's advantage is iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. What Doctors Know sells 10 in-app purchases, starting at $5.99 per year. WiseGut asks for nothing beyond the download.

What Doctors Know ships an update every 4 months, WiseGut every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | What Doctors Know | WiseGut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 12 MB | 64 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [PressPad Sp. z o.o.](https://appshunter.io/developer/449000752) | [Worthy Works Ltd](https://appshunter.io/developer/1538724939) |

## What reviewers say

### What Doctors Know

[App page](https://appshunter.io/ios/app/what-doctors-know/id880982965)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| What Doctors Know | $5.99 | per year |
| Issue #1 | $0.99 | one-time |
| Issue #2 | $0.99 | one-time |
| Issue #3 | $0.99 | one-time |
| Issue #95 | $0.99 | one-time |
| Issue #96 | $0.99 | one-time |
| Issue #97 | $0.99 | one-time |
| Issue #98 | $0.99 | one-time |
| Issue #99 | $0.99 | one-time |
| Issue #100 | $0.99 | one-time |


### WiseGut

[App page](https://appshunter.io/ios/app/wisegut/id6752733589)

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

**In-app purchases:** none


## Frequently asked questions

### Is What Doctors Know free?

What Doctors Know is free to download, with in-app purchases available.

### Is WiseGut free?

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

### Do What Doctors Know or WiseGut have ads?

Neither What Doctors Know nor WiseGut shows ads.

### Which is updated more often, What Doctors Know or WiseGut?

What Doctors Know ships an update every 4 months, and WiseGut every 3 weeks. Most recently, What Doctors Know was updated on November 6, 2026 and WiseGut on November 5, 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.*