# CallClock vs Ondaris

The clearest difference is update cadence: Ondaris at every 2 weeks against CallClock's every 2 months. CallClock's advantage is iOS requirement (12.2 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CallClock sells 6 in-app purchases, starting at $0.99 per month and Ondaris sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CallClock ships an update every 2 months, Ondaris every 2 weeks. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | CallClock | Ondaris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/callclock-anytime-incomingcall/id6443753565/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 52 MB |
| Requires iOS | **12.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [博 成](https://appshunter.io/developer/1180643781) | [SCOPT Inc.](https://appshunter.io/developer/6808941647) |

## What reviewers say

### CallClock

[App page](https://appshunter.io/ios/app/callclock-anytime-incomingcall/id6443753565)

Schedule calls to act as alarms or reminders for various occasions. Simulate incoming calls to politely exit unwanted social situations. Customize caller ID, ringtones, and call content for a personalized experience.

**Highlights:** Schedule calls as alarms, Simulate incoming calls, Customizable caller display, Customizable call content, Multiple time setting methods, Text-to-speech functionality

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic-Monthly | $0.99 | per month |
| Standard-Monthly | $2.99 | per month |
| Basic-Yearly | $9.49 | per year |
| Premium-Monthly | $12.99 | per month |
| Standard-Yearly | $34.99 | per year |
| Premium-Yearly | $154.99 | per year |


### Ondaris

[App page](https://appshunter.io/ios/app/ondaris/id6808941525)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ondaris Pro | $12.99 | one-time |


## Frequently asked questions

### Is CallClock free?

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

### Is Ondaris free?

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

### Do CallClock or Ondaris have ads?

Neither CallClock nor Ondaris shows ads.

### Which is updated more often, CallClock or Ondaris?

CallClock ships an update every 2 months, and Ondaris every 2 weeks. Most recently, CallClock was updated on October 27, 2026 and Ondaris on October 26, 2026.

---

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