Comparison

Simple Interval Timer vs Interval Workout Timer

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

Features
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Flexy Timer – The Ultimate Minimalist Workout Timer Flexy Timer is a sleek, intuitive workout timer designed for those who value focus and simplicity. With a clean, distraction-free interface, it helps you stay in the zone and get the most out of every workout. Perfect for HIIT, Tabata, CrossFit (AMRAP/EMOM/WOD), Boxing, Circuit Training, Sprint Intervals, Yoga, and Kettlebell Workouts. Flexy is the perfect tool to help you structure your time and stay on track—whether you're working out, meditating, studying, or managing your daily routines. Here’s how Flexy can support you: -Workouts & Exercise: Easily time your gym sessions, interval runs, CrossFit, HIIT, and Tabata workouts. -Yoga & Meditation: Set calming intervals to guide your yoga practice or meditation sessions with precision. -Focus & Productivity: Use Flexy as a Pomodoro timer to stay productive while studying, reading, or working. -Custom Routines: Create and save personalized interval timers for any activity—whether it's fitness, focus, or relaxation. No matter your goal, Flexy Timer makes timing simple, flexible, and effective. Train smarter. Stay focused. Let Flexy Timer be your easy-to-use workout companion! Flexy Timer Premium Features (In App Purchase): * Quick Start – Get moving in seconds. * Custom Timers – Personalize intervals to match your training. * Curated Music – Stay motivated with handpicked soundtracks. * Workout Log – Track and analyze your progress. In-App Purchase: ——All features of Simple Interval Timer are available for free during the first three uses. ——After that, a monthly or yearly subscription is required to continue using the timers. Privacy Policy: https://pdfhost.io/v/72mty7BYHd_Privacy_Policy_-_Simple_Interval_Timer__Flexy Terms of Use: https://pdfhost.io/v/3543sYv6Cr_Terms_of_Use_-_SEAD_Fitness

About

Interval Workout Timer

Features
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Stop fighting your timer. Start building your workout. Block Timer is a premium, modular interval system for those who have outgrown generic fitness apps. Whether you’re an athlete, coach, gym-goer, or home-workout warrior, Block Timer gives you the power to build any routine exactly how you want it. The "Building Block" Advantage Most timers are rigid—ours is flexible. Every exercise and rest period is a "Block" that you can color-code, name, and rearrange with a single swipe. No more "Set/Rest" constraints. Build complex circuits in seconds. Core Features: • Quick Timer: Set and go for simple sessions. • Drag & Drop Builder: The most intuitive routine editor on the App Store. • Smart Voice & Haptics: Audio cues read your exercise names aloud so you can stay focused. • Instant Flexibility: Tap the +15s button mid-workout to extend any block without pausing. • 100% Offline & Private: Your data stays on your device. • Seamless Audio: Play music or podcasts without volume ducking or interruptions. • Pro Stats: Track your total volume, activity days, and workout history. Why Athletes Choose Block Timer: "Finally, a timer that respects my routine. I can build specific mobility flows and high-intensity circuits without fighting a cluttered UI." Subscription Terms: Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Privacy Policy: https://persistent-carnation-002.notion.site/Terms-of-Service-32df21bea4988071be83d45234ba8b78?pvs=74 Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simple Interval Timer4 screens
Interval Workout Timer4 screens

Verdict

The call

The clearest difference is update cadence: Interval Workout Timer at every 3 days against Simple Interval Timer's weekly. Interval Workout Timer also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases 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 2 in-app purchases, starting at $0.99 per month and Interval Workout Timer sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple Interval Timer ships an update weekly, Interval Workout Timer every 3 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 3 level
Simple Interval Timer versus Interval Workout Timer: the parameters behind the verdict, then further details
ParameterSimple Interval TimerInterval Workout Timer
PriceFreeFree
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size23 MB50 MB
Age rating4+4+
Developer阳 童YU HUA CHEOK

In-app purchases

2 purchases

Simple Interval Timer

Subscriptions2
  • Monthly Premium3 Days trial$0.991 Month
  • Yearly Premium3 Days trial$4.991 Year
3 purchases

Interval Workout Timer

Subscriptions2
  • Block Timer Pro$2.491 Month
  • Block Timer Pro7 Days trial$11.991 Year
One-time1
  • Lifetime Premium$31.99

Questions

Is Simple Interval Timer free?
Simple Interval Timer is free to download, with in-app purchases available.
Is Interval Workout Timer free?
Interval Workout Timer is free to download, with in-app purchases available.
Do Simple Interval Timer or Interval Workout Timer have ads?
Neither Simple Interval Timer nor Interval Workout Timer shows ads.
Which is updated more often, Simple Interval Timer or Interval Workout Timer?
Simple Interval Timer ships an update weekly, and Interval Workout Timer every 3 days. Most recently, Simple Interval Timer was updated on October 9, 2026 and Interval Workout Timer on October 3, 2026.

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