Bestmath Clock vs O' Good
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Bestmath Clock
Read full descriptionHide full description
Do you think your life is too easy? We challenge you use this application, your life will not easy as before! Bestmath clock is the application for people who want more difficult in their life. User need to solve some equations to read time and to set the alarm! Bestmath clock offer - Analog clock type. - Digital clock type. - 2 themes of each clock type. - Clock alarm. - menu can hide/show with tap on screen. Bestmath clock can also use as decoration for your home, office, cafe, etc ... , with cool design can impress anyone who see.
O' Good
Read full descriptionHide full description
O' Good is a "Survival Confirmation" system designed for those who live alone. We verify that you are active and online. γKey Featuresγ β’ Automated Survival Check: Set your check-in frequency. The app pings you to confirm your survival status. β’ Inactivity Trigger: If you fail to verify your status within the set time, the system flags an anomaly and alerts your designated contacts. β’ Survival Dashboard: Visualize your status and keep track of your activity. β’ Silent Mode: Works quietly in the background as long as you remain active. It's not just an app; it's your personal survival protocol. Download O' Good and take control of your status. Privacy Policy: https://still-alive-e48ae.web.app/privacy.html Terms of Service: https://still-alive-e48ae.web.app/terms.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Bestmath Clock at none against O' Good's 2. Bestmath Clock also leads on ads (none vs shown) and iOS requirement (10.3 vs 15.6). O' Good's advantage is update cadence (every 3 weeks vs every 9 months). On price and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. O' Good sells 2 in-app purchases, starting at $3.99 per month. Bestmath Clock asks for nothing beyond the download.
Bestmath Clock ships an update every 9 months, O' Good every 3 weeks. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.
| Parameter | Bestmath Clock | O' Good |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 weeks β better |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 β better | 15.6 |
| Further details β not scored | ||
| Size | 139 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Nat Benjarpornbanyat | WeiJia Tech Co., Ltd. |
In-app purchases
Bestmath Clock
No in-app purchases
O' Good
- O' Good VIP$3.991 Month
- O' Good VIP$29.991 Year
