# Click4Appointment vs Usi India

The clearest difference is iOS requirement: Usi India at 13.0 against Click4Appointment's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Click4Appointment ships an update every 2 weeks, Usi India every 3 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Click4Appointment | Usi India |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 49 MB | 40 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dynamicbit Technologies Private Limited](https://appshunter.io/developer/1560288265) | [Eco Planners Private Limited](https://appshunter.io/developer/1896190533) |

## What reviewers say

### Click4Appointment

[App page](https://appshunter.io/ios/app/click4appointment/id1560288263)

**Features:** Vision Pro support

**In-app purchases:** none


### Usi India

[App page](https://appshunter.io/ios/app/usi-india/id6766090930)

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

**In-app purchases:** none


## Frequently asked questions

### Is Click4Appointment free?

Click4Appointment is free to download, with no in-app purchases.

### Is Usi India free?

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

### Do Click4Appointment or Usi India have ads?

Neither Click4Appointment nor Usi India shows ads.

### Which is updated more often, Click4Appointment or Usi India?

Click4Appointment ships an update every 2 weeks, and Usi India every 3 weeks. Most recently, Click4Appointment was updated on October 7, 2026 and Usi India on October 7, 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.*