# MathWake vs O' Good

The clearest difference is update cadence: O' Good at every 3 weeks against MathWake's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MathWake sells 2 in-app purchases, starting at $4.99 per month and O' Good sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

MathWake ships an update every 6 weeks, O' Good every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | MathWake | O' Good |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/mathwake-math-alarm-clock/id6757623457/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 65 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [WeiJia Tech Co., Ltd.](https://appshunter.io/developer/6776768203) |

## What reviewers say

### MathWake

[App page](https://appshunter.io/ios/app/mathwake-math-alarm-clock/id6757623457)

This alarm app requires users to solve math problems to turn it off. It offers adjustable difficulty levels and problem counts to ensure you wake up. Designed for reliability, it aims to prevent the common issue of alarms failing to sound.

**Highlights:** Solve math problems to dismiss alarm, Adjustable difficulty levels, Selectable problem count, Daily repeat settings, 5-minute snooze option, Volume control

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### O' Good

[App page](https://appshunter.io/ios/app/o-good/id6758224135)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| O' Good VIP | $3.99 | per month |
| O' Good VIP | $29.99 | per year |


## Frequently asked questions

### Is MathWake free?

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

### Is O' Good free?

O' Good is free to download, with in-app purchases available.

### Do MathWake or O' Good have ads?

Both MathWake and O' Good show ads.

### Which is updated more often, MathWake or O' Good?

MathWake ships an update every 6 weeks, and O' Good every 3 weeks. Most recently, MathWake was updated on October 24, 2026 and O' Good on October 24, 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.*