# Atlas Link vs BDNH

The clearest difference is update cadence: Atlas Link at every 5 days against BDNH's every 2 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.

Atlas Link ships an update every 5 days, BDNH every 2 months. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Atlas Link | BDNH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 23 MB | 64 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Neurosurgical Atlas, Inc](https://appshunter.io/developer/572405218) | [Georgi Gabrovski](https://appshunter.io/developer/1394795145) |

## What reviewers say

### Atlas Link

[App page](https://appshunter.io/ios/app/atlas-link/id6443477159)

**Features:** macOS Compatibility

**In-app purchases:** none


### BDNH

[App page](https://appshunter.io/ios/app/bdnh/id6450156830)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Atlas Link free?

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

### Is BDNH free?

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

### Do Atlas Link or BDNH have ads?

Neither Atlas Link nor BDNH shows ads.

### Which is updated more often, Atlas Link or BDNH?

Atlas Link ships an update every 5 days, and BDNH every 2 months. Most recently, Atlas Link was updated on September 13, 2026 and BDNH on September 22, 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.*