# Onoff vs Client Appointment Tracker

The clearest difference is in-app purchases: Onoff at none against Client Appointment Tracker's 3. Client Appointment Tracker's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Client Appointment Tracker sells 3 in-app purchases, starting at $9.99 per month. Onoff asks for nothing beyond the download.

## The numbers

| Metric | Onoff | Client Appointment Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 0 MB | 21 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Admirror B.V.](https://appshunter.io/developer/1572240717) | [Konstantin Khoroshun](https://appshunter.io/developer/1476700024) |

## What reviewers say

### Onoff

[App page](https://appshunter.io/ios/app/onoff-click/id1658256683)

**In-app purchases:** none


### Client Appointment Tracker

[App page](https://appshunter.io/ios/app/client-appointment-tracker/id6771002707)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly purchase | $9.99 | per month |
| Annual purchase | $79.99 | per year |
| Purchase lifetime | $249.99 | one-time |


## Frequently asked questions

### Is Onoff free?

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

### Is Client Appointment Tracker free?

Client Appointment Tracker is free to download, with in-app purchases available.

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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.*