Dumac vs JRTiming
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dumac
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Dumac – Video Analysis for Coaches Dumac is a powerful video analysis tool designed for coaches to provide professional feedback and enhance their athletes' performance. Whether you're coaching golf, basketball, soccer, or any other sport, Dumac gives you the tools to analyze technique, highlight key areas for improvement, and communicate effectively with your students. Improve Performance with Advanced Video Tools: * AI-Powered Drawing & Markup Tools – Dumac's AI recognizes shapes as you draw, automatically refining circles, straight lines, and angles for precise analysis. * Side-by-Side Comparison – Upload and view two videos simultaneously to track progress and identify technique differences. * Frame-by-Frame & Slow Motion Playback – Scrub through videos frame by frame or slow down playback to analyze movements in detail. * Mirror & Rotate Videos – Flip videos to compare movements from different perspectives. Communicate with Your Students: * Voice-Over Recording – Record your screen while explaining key points to provide clear, professional feedback. * Screen Recording with Annotations – Capture your analysis in real-time with drawings and commentary. * Video Sharing – Easily share your analyzed videos with students or teams for remote coaching. Dumac empowers coaches with the tools they need to provide expert guidance and elevate their athletes’ skills. Download now and take your coaching to the next level! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app requires a subscription to function. Without an active subscription, the app will not be accessible.
JRTiming
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Simply connect your chronometer via Bluetooth, sync it with a single tap, and unlock a wide range of powerful features. While using the app, the chronometer acts as a bridge between the photocells and your smartphone. Just make sure to stay within 40 meters of the chronometer for a stable connection. Once connected, there’s no need to interact with the chronometer directly—it just needs to stay on. All timing data will be saved automatically in the app. You can view your saved times, tag your workouts, and search through them using your custom tags. Easily export your workouts as images to share on social media, or export the data in Excel format. You can choose to Excel export individual workouts or all workouts within a selected date range, helping you keep track of your progress over time. Train hard and have fun!
Screenshots
Verdict
The clearest difference is in-app purchases: JRTiming at none against Dumac's 2. JRTiming also leads on iOS requirement (13.0 vs 16). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Dumac sells 2 in-app purchases, starting at $1.99 per month. JRTiming asks for nothing beyond the download.
Dumac ships an update every 9 days, JRTiming fortnightly. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.
| Parameter | Dumac | JRTiming |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Awal Salifu | Jacques Riparelli |
In-app purchases
Dumac
- Monthly Subscription$1.991 Month
- Yearly Subscription$7.991 Year
JRTiming
No in-app purchases









