Comparison

Simple Interval Timer vs MCM Events

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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!

About

MCM Events

Follow runners in real-time during multiple running events throughout the year. Access official results, event details, and interactive course maps for participants and spectators.

Highlights
  • Live runner tracking
  • Live leaderboards
  • Official results
  • Event information
  • Interactive course maps
  • Push notifications
  • Social sharing
Read full description

The Marine Corps Marathon Organization (MCMO) welcomes runners from across the country and world to #runwiththemarines during five different event weekends throughout the year: - Marine Corps 17.75K in March - Semper Fred 5K in May - Marine Corps Historic Half in May - Quantico 12K in August - Marine Corps Marathon Weekend in October - Turkey Trot in November The Marine Corps Marathon Organization App provides real-time runner tracking & official results as well as information for all event weekends. Highlights: - Live runner tracking, - Live leaderboards, - Official results, - All event information for runners and spectators, - Interactive course maps, - Push notifications, - Social sharing, - and more.

Screenshots

Simple Interval Timer4 screens
MCM Events4 screens

Verdict

The call

The clearest difference is in-app purchases: MCM Events at none against Simple Interval Timer's 4. MCM Events also leads on ads (none vs shown) and review sentiment (98% vs 85%). Simple Interval Timer's advantage is ratings volume (5.4K vs 665). On price, rating, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simple Interval Timer sells 4 one-off in-app purchases. MCM Events asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Simple Interval Timer against 4.9 for MCM Events. That said, the two scores are not equally well evidenced: Simple Interval Timer has 5.4K ratings behind it against 665, so its average is the more settled of the two. Written reviews are what separate them: 85% of Simple Interval Timer's written reviews are positive against 98% of MCM Events's.

UpkeepUpdate frequency

Simple Interval Timer ships an update every 8 months, MCM Events every 9 months. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

Scorecard5 real differences · 5 level
Simple Interval Timer versus MCM Events: the parameters behind the verdict, then further details
ParameterSimple Interval TimerMCM Events
PriceFreeFree
Rating4.9 (5.4K ratings)4.9 (665 ratings)
Positive reviews84.7% of reviews97.9% of reviews — better
Number of ratings5.4K — better665
Update frequencyEvery 8 months — betterEvery 9 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS14.513.0 — better
Further details — not scored
Size10 MB20 MB
Age rating4+4+
Developer0FFDilltree Inc

Customer experience

Simple Interval Timer

All ratings5,444 ratings
Positive97.6%
Neutral1.2%
Negative1.2%
Written reviews398 reviews
Positive84.7%
Neutral4.5%
Negative10.8%

MCM Events

All ratings665 ratings
Positive98.9%
Neutral0.3%
Negative0.8%
Written reviews140 reviews
Positive97.9%
Neutral0.7%
Negative1.4%

User reviews

Simple Interval Timer

From 5.4K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Efficient and straightforward
  • 💰 Actually free, no paywall
  • 🔊 Unobtrusive audio cues
  • 🎶 Works well with music playback

Room to improve

  • 🐛 Occasional bugs and crashes
  • ⚙️ Limited customization options
  • 🔋 Compatibility issues with newer iOS versions
  • 🔍 Difficulty deleting/managing saved configurations

MCM Events

From 665 App Store ratings

What we love

  • 👍 Great organization
  • 👍 Helpful for spectators
  • 👍 Easy to use and navigate
  • 👍 Accurate real-time tracking
  • 👍 Useful information and features

Room to improve

  • 🐛 Occasional tracking issues or lags
  • 🔍 Desire for more directional assistance and mile markers
  • 💡 Ability to send messages to runners
  • 💡 Option to view finish line camera

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

MCM Events

Reported bugs

2 issues
  • Stuck on open screen with broken 'OK' button
  • Occasional tracking lags or inaccuracies

Requested features

3 requests
  • Ability to view spectator location on map
  • Option to send messages to runners
  • Finish line camera feed

In-app purchases

4 purchases

Simple Interval Timer

One-time4
  • Espresso$0.99
  • Americano$1.99
  • Ad-free version$2.99
Show 1 more
  • Caramel Cappuccino$2.99
None

MCM Events

No in-app purchases

Questions

Is Simple Interval Timer free?
Simple Interval Timer is free to download, with in-app purchases available.
Is MCM Events free?
MCM Events is free to download, with no in-app purchases.
Which has better reviews, Simple Interval Timer or MCM Events?
Simple Interval Timer and MCM Events are both rated 4.9 out of 5 on the App Store, from 5.4K and 665 ratings respectively.
Do Simple Interval Timer or MCM Events have ads?
Simple Interval Timer shows ads; MCM Events does not.
Which is updated more often, Simple Interval Timer or MCM Events?
Simple Interval Timer ships an update every 8 months, and MCM Events every 9 months. Most recently, Simple Interval Timer was updated on September 22, 2026 and MCM Events on September 17, 2026.

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