mainTrack vs Subintervals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mainTrack
This app helps cyclists meticulously track their bike and component usage. It provides timely service reminders and records all maintenance performed, ensuring your gear is always in top condition. Connect to Strava to automatically update your bike's mileage.
- Track bike and component usage
- Service reminders
- Record service history
- Strava activity synchronization
- Component assignment to bikes
- Periodic maintenance planning
- Cross-device data synchronization
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MainTrack is a comprehensive Bike Maintenance app that will help to keep track of your bikes and components usage, remind you when it's time to service your gear and record all serviced parts and components. Wondering when was the last time you changed your front tyre? Or what distance you've ridden with your race wheels? Or when you need to service your suspension? MainTrack will help you to answer these questions and much more. Features: • Connect to Strava to synchronize your activities and update your bikes usage • Create Components that you use occasionally or in multiple bikes • Assign Components to Bikes for a period of time and keep track of their usage separately based on the bike's activities • Plan your bikes maintenance periodically based on period of time, usage, rides or elapsed time. • Receive notifications after a ride is completed and when a service is due • Keep track of all services executed • Check your bike's parts usage since you last serviced them • Synchronize your data across multiple devices MainTrack is very intuitive and easy to use, with a beaultiful interface design to provide you the best user experience.
Subintervals
Visualize your training data with detailed displays and interactive graphs. Customize your analysis and sync seamlessly with intervals.icu for up-to-the-minute insights into activities, events, and performance metrics.
- Detailed activity and event visualization
- Interactive performance graphs
- Seamless intervals.icu sync
- Customizable data analysis
- Actionable training insights
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Elevate Your Training with Subintervals Subintervals transforms your intervals.icu data into actionable insights. This app brings your training activities, events, and performance metrics to life through detailed displays and interactive graphs. Customise and control your data for a tailored analysis, and seamlessly sync with intervals.icu for up-to-the-minute information. Key Features: - Detailed visualisation of activities and events. - Dynamic, interactive graphs for performance tracking. - Effortless sync with intervals.icu. Please note that it is an independent application developed by an enthusiast keen on providing a complementary tool to the official platform.
Screenshots
Verdict
The clearest difference is rating: Subintervals at 5.0 against mainTrack's 4.6. Subintervals also leads on update cadence (weekly vs fortnightly) and review sentiment (100% vs 89%). mainTrack's advantage is ratings volume (59 vs 2). On price, ads, in-app purchases and monetization model 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. mainTrack sells 4 one-off in-app purchases and Subintervals sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Subintervals holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: mainTrack has 59 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 89% of mainTrack's written reviews are positive against 100% of Subintervals's.
mainTrack ships an update fortnightly, Subintervals weekly. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.
| Parameter | mainTrack | Subintervals |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (59 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 88.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 59 — better | 2 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 28 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Christiano Gontijo | Inaki Arroyo Nebreda |
Customer experience
mainTrack
Subintervals
In-app purchases
mainTrack
- Coffee$1.99
- Snack$3.99
- Lunch$7.99
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- Dinner$13.99
Subintervals
- Coffee$3.99
- Lunch$11.99
- Big Thanks$17.99
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- Sponsor$44.99








