# Circle Moving Clock vs Math Alarm Clock by Mathy

The clearest difference is price: Math Alarm Clock by Mathy at Free against Circle Moving Clock's $0.99. Math Alarm Clock by Mathy also leads on update cadence (every 8 days vs every 28 months). Circle Moving Clock's advantage is in-app purchases (none vs 12). On ads, device support and iOS requirement there is nothing between them.

Math Alarm Clock by Mathy is free to download; Circle Moving Clock costs $0.99 up front. Math Alarm Clock by Mathy sells 12 in-app purchases, starting at $0.99 per month. Circle Moving Clock asks for nothing beyond the download.

Circle Moving Clock ships an update every 28 months, Math Alarm Clock by Mathy every 8 days. The most recent releases landed on December 24, 2025 and September 22, 2026 respectively.

## The numbers

| Metric | Circle Moving Clock | Math Alarm Clock by Mathy |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (108 ratings)](https://appshunter.io/ios/app/math-alarm-clock-by-mathy/id1419685308/reviews)** |
| Number of ratings | — | **108** |
| Positive reviews | — | 73.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 67 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dietmar Herbert Schwarz Webers](https://appshunter.io/developer/1714893762) | [Infinite Wave Media, LLC](https://appshunter.io/developer/495187294) |

## What reviewers say

### Circle Moving Clock

[App page](https://appshunter.io/ios/app/circle-moving-clock/id998619272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Alarm Clock by Mathy

[App page](https://appshunter.io/ios/app/math-alarm-clock-by-mathy/id1419685308)

This app requires users to solve math problems to turn off their alarms, ensuring a more effective wake-up experience. It offers customizable alarm settings, including difficulty levels, music choices, and snooze intervals. The app also features a nightstand clock display and adjustable screen brightness.

**Highlights:** Solve math problems to stop alarms, Adjustable math difficulty levels, Customizable alarm sounds and music, Repeating alarm options, Nightstand clock display, Customizable snooze intervals

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Alarm Clock Pro by Mathy | $0.99 | per month |
| Mathy Pro Annual | $9.99 | per year |
| Car Alarm Xtrm | $0.99 | one-time |
| Progressive | $0.99 | one-time |
| Rain On Metal | $0.99 | one-time |
| Retro | $0.99 | one-time |
| Rooster Call | $0.99 | one-time |
| Scream | $0.99 | one-time |
| Sound Grenade | $0.99 | one-time |
| White Noise | $0.99 | one-time |
| All Sounds | $3.99 | one-time |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Circle Moving Clock free?

Circle Moving Clock costs $0.99, with no in-app purchases.

### Is Math Alarm Clock by Mathy free?

Math Alarm Clock by Mathy is free to download, with in-app purchases available.

### Do Circle Moving Clock or Math Alarm Clock by Mathy have ads?

Neither Circle Moving Clock nor Math Alarm Clock by Mathy shows ads.

### Which is updated more often, Circle Moving Clock or Math Alarm Clock by Mathy?

Circle Moving Clock ships an update every 28 months, and Math Alarm Clock by Mathy every 8 days. Most recently, Circle Moving Clock was updated on December 24, 2025 and Math Alarm Clock by Mathy on September 22, 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.*