# calcDS vs DeviceShelf

The clearest difference is price: DeviceShelf at Free against calcDS's $1.99. calcDS's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

DeviceShelf is free to download; calcDS costs $1.99 up front. DeviceShelf sells 3 one-off in-app purchases. calcDS asks for nothing beyond the download.

## The numbers

| Metric | calcDS | DeviceShelf |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 3 MB | 27 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.David Sisemore](https://appshunter.io/developer/990115240) | [Christof Müller](https://appshunter.io/developer/987990115) |

## What reviewers say

### calcDS

[App page](https://appshunter.io/ios/app/calcds/id6470944516)

**Features:** macOS Compatibility

**In-app purchases:** none


### DeviceShelf

[App page](https://appshunter.io/ios/app/deviceshelf/id6779666567)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeviceShelf Mobile | $17.99 | one-time |
| DeviceShelf Complete Upgrade | $34.99 | one-time |
| DeviceShelf Complete | $49.99 | one-time |


## Frequently asked questions

### Is calcDS free?

calcDS costs $1.99, with no in-app purchases.

### Is DeviceShelf free?

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

### Do calcDS or DeviceShelf have ads?

Neither calcDS nor DeviceShelf shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*