# Author BT Update vs BioCard Manager

The clearest difference is update cadence: BioCard Manager at every 10 days against Author BT Update's monthly. 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.

Author BT Update ships an update monthly, BioCard Manager every 10 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Author BT Update | BioCard Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 4 MB | 40 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) | [FEITIAN Technologies Co.,Ltd.](https://appshunter.io/developer/398121823) |

## What reviewers say

### Author BT Update

[App page](https://appshunter.io/ios/app/author-bt-update/id6475983875)

**Features:** macOS Compatibility

**In-app purchases:** none


### BioCard Manager

[App page](https://appshunter.io/ios/app/biocard-manager/id6760338735)

**In-app purchases:** none


## Frequently asked questions

### Is Author BT Update free?

Author BT Update is free to download, with no in-app purchases.

### Is BioCard Manager free?

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

### Do Author BT Update or BioCard Manager have ads?

Neither Author BT Update nor BioCard Manager shows ads.

### Which is updated more often, Author BT Update or BioCard Manager?

Author BT Update ships an update monthly, and BioCard Manager every 10 days. Most recently, Author BT Update was updated on October 10, 2026 and BioCard Manager on October 11, 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.*