Timer vs Math Shield
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Timer
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Timelo is a motion-driven timer app that lets you control time by simply rotating your iPhone. Inspired by physical timer devices, Timelo replaces buttons and sliders with natural movement. Using your deviceβs gyroscope, each direction of your phone controls a different timer β making time management faster, simpler, and more engaging. How it works Assign timers to Top, Bottom, Left, and Right Rotate your phone toward a direction to adjust its time Tap to start or pause Timelo supports sound, vibration, and silent alerts, so it fits seamlessly into any environment β whether youβre focusing, cooking, working out, or studying. Designed to stay out of your way, Timelo helps you stay present and in control β without distractions. Key Features β’ Motion-based timer control using the gyroscope β’ Four independent timers (Top, Bottom, Left, Right) β’ Tap to start or pause β’ Sound, vibration, and silent alert modes β’ Clean, minimal interface β’ Inspired by tactile, physical timer devices Ideal Use Cases β’ Focus and productivity sessions β’ Cooking and kitchen timing β’ Workouts and interval training β’ Study and Pomodoro routines β’ Hands-on, distraction-free timing Privacy Policy: https://robzapps.com/privacy Terms of Use: https://robzapps.com/terms
Math Shield
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Stay Focused with Math Shield Math Shield helps you reduce distractions and build better focus habits by placing a math challenge between you and your most distracting apps. Instead of mindlessly opening social media, games, or other time-wasting apps, you'll need to solve a math problem before gaining temporary access. This simple barrier helps break automatic habits and encourages intentional screen time. Key Features Block Distracting Apps: Choose the apps you want to limit and keep them locked during focus sessions. Unlock with Math Challenges: Solve math problems before accessing blocked apps. Temporary App Access: Gain limited access after successfully completing a challenge. Stay Productive: Create friction between impulses and distractions to help maintain focus. Easy Setup: Select apps, choose your preferences, and let Math Shield help you stay on track. Perfect For - Students who want to focus on studying - Professionals who need distraction-free work sessions - Anyone looking to reduce screen time - People building healthier digital habits Whether you're studying, working, reading, or spending time with family, Math Shield helps you take control of your attentionβone challenge at a time. Download Math Shield and make every app unlock a conscious decision. To enjoy the full experience and to gain all the premium features, you can always purchase our Monthly, Yearly or Lifetime premium subscription pack. Math Shield will automatically charge your iTunes Account at the end of your subscription unless auto-renew is turned off at least 24 hours before the end of your current period. Subscriptions renew at the original price. You can turn off auto-renew at any time and still receive full functionality until the end of your current period, but no refund can be provided for unused portions of the subscription. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. All your previous purchases can be easily restored using the **Restore Purchase** option in the app. This will provide you access to all the premium features. You can view Math Shield Terms of Use & Privacy Policy. Terms of Use (EULA):Β https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/vinothvino42/app-privacy-policy/blob/main/math-shield.md
Screenshots
Verdict
The clearest difference is update cadence: Math Shield at every 2 days against Timer's every 5 days. Timer's advantage is iOS requirement (16 vs 26.0). On price, ads, in-app purchases 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. Timer sells 3 in-app purchases, starting at $1.99 per month and Math Shield sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Timer ships an update every 5 days, Math Shield every 2 days. Both last shipped on September 20, 2026.
| Parameter | Timer | Math Shield |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 2 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 16 β better | 26.0 |
| Further details β not scored | ||
| Size | 19 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Vignesh Viswanathan | Vinoth Ramajeyam |
In-app purchases
Timer
- Pro Monthly3 Days trial$1.991 Month
- Pro Annually$9.991 Year
- Pro Lifetime$14.99
Math Shield
- Math Shield Pro Monthly$3.991 Month
- Math Shield Pro Yearly3 Days trial$12.991 Year
- Math Shield Pro - Lifetime$19.99









