Simple Interval Timer vs RTRT.me
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Interval Timer
This app provides a straightforward interval timer for various training types like running, cycling, and HIIT. Customize sets, action, and break durations for a personalized workout experience. It runs in the background and saves recent configurations.
- Customizable sets, action, and break durations
- Plain and simple design
- Saves last 5 configurations
- Runs in the background
- iOS screen dimming prevention
- Apple Watch integration with heart rate monitoring
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Simple Interval Timer (SIT) can be used for any kind of interval training, such as running, cycling, HIIT sessions (including Tabata method), stretching, etc. SIT is exactly what you would expect. An interval timer, which is easy to set up and use. It features a nice plain design, with no unnecessary controls. Adjust Number of Sets, Action and Break duration to your needs and you are ready to go! On the iOS an extra switch control allows you to prevent the screen from dimming. SIT remembers the last 5 configurations you have used. Swipe left across the Settings screen to switch to another configuration. SIT can run in the background, while you are playing music, watching videos or doing anything else on your iOS device. SIT Watch features the same simplicity as the iOS app while offering the same functionality, plus it will measure your heartbeat during the workout sessions. The recordings will be available in the Apple's Health app. SIT Watch runs independently of the phone, so no need to have your phone around during your workouts (although you will need your phone during the very first time you launch SIT watch). SIT lets you avoid any tedious set up and focus on your training!
RTRT.me
Follow live race progress with real-time updates on participant times, paces, and locations. Access interactive course maps, receive push notifications for key milestones, and view live leaderboards. This app enhances the experience for both participants and spectators at tracked events.
- Real-time participant times, paces, and places
- Interactive course map and live tracking
- Track multiple participants simultaneously
- Push notifications for progress updates
- Live leaderboards
- Social sharing capabilities
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RTRT.me provides Real-Time Race Tracking and other services for world-class events. Participants and Spectators of premiere RTRT.me tracked events, this app is for you! Highlights: • Participant times, paces, estimates, and places in real-time • Interactive Course Map & Live Map Tracking • Easy tracking of multiple participants at the same time • Push Notifications as progress is made on course • Event Info and Messaging • Live Leaderboards • Social Sharing PLEASE NOTE: Not all RTRT.me events are available in the RTRT.me app. Some included events may not use all features. Contact us or your event coordinator for availability. PLEASE NOTE: Continued use of GPS running in the background can dramatically decrease battery life. About Us: We are passionate about technology and determined to create the ultimate race experience for Participants, Spectators, Volunteers and Event Administrators around the globe.
Screenshots
Verdict
The clearest difference is in-app purchases: RTRT.me at none against Simple Interval Timer's 4. RTRT.me also leads on ads (none vs shown) and update cadence (every 2 months vs every 8 months). Simple Interval Timer's advantage is ratings volume (5.4K vs 1.4K). On price, rating, device support and iOS requirement 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. Simple Interval Timer sells 4 one-off in-app purchases. RTRT.me asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Simple Interval Timer against 4.8 for RTRT.me. Both are backed by a comparable volume of ratings — 5.4K and 1.4K respectively. Written reviews are what separate them: 85% of Simple Interval Timer's written reviews are positive against 96% of RTRT.me's.
Simple Interval Timer ships an update every 8 months, RTRT.me every 2 months. Both last shipped on September 22, 2026.
| Parameter | Simple Interval Timer | RTRT.me |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (5.4K ratings) — better | 4.8 (1.4K ratings) |
| Positive reviews | 84.7% of reviews | 96.0% of reviews — better |
| Number of ratings | 5.4K — better | 1.4K |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 14.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | 0FF | Dilltree Inc |
Customer experience
Simple Interval Timer
RTRT.me
Bugs and requests
Simple Interval Timer
Reported bugs
3 issues- Timer stops working when screen is locked
- Countdown beeps not syncing with timer
- Interval times not accurately tracked
Requested features
4 requests- Ability to name and delete saved configurations
- More granular interval time settings (e.g., 1-second increments)
- Stronger haptic feedback on Apple Watch
- Integration with workout tracking apps
RTRT.me
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Simple Interval Timer
- Espresso$0.99
- Americano$1.99
- Ad-free version$2.99
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- Caramel Cappuccino$2.99
RTRT.me
No in-app purchases
Questions
Is Simple Interval Timer free?
Is RTRT.me free?
Which has better reviews, Simple Interval Timer or RTRT.me?
Do Simple Interval Timer or RTRT.me have ads?
Which is updated more often, Simple Interval Timer or RTRT.me?
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