Interval Timer vs Flextimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.
- Customizable sets, intervals, and rest times
- Runs in background and with screen locked
- Music playlist integration
- Save settings as templates
- Apple Health integration for heart rate
- Post workouts to social media
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***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396
Flextimer
Create custom interval timers for workouts, focus sessions, or daily routines. Design sessions step-by-step or use AI to generate them from plain text descriptions. Includes cues for sounds, vibration, and color changes.
- AI-generated timer creation from text
- Customizable interval and round timers
- Step cues for sound, vibration, and color
- Timer Summary with detailed progress
- Configurable run-screen controls
- Saved custom timers and starting points
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More than a countdown. Flextimer is a flexible interval, round, and HIIT timer for workouts, focus, routines, and more — built your way. Design a session step by step, or just describe it in plain words and let AI create it for you to review, edit, and save. Describe. Cue. Run. What sets Flextimer apart is the combination: named steps and repeating rounds, cues for sounds, vibration, color changes, and countdowns, a clear Timer Summary, and AI that can build a timer for you. Fit every part of your session, from prep and work to breaks and cooldowns. Use Flextimer for: • Workouts and interval training (HIIT, EMOM, Tabata) • Boxing, MMA, and round timers • Pomodoro and focus sessions • Meditation and breathing exercises • Presentation and speaking practice • Stretch breaks, chores, cooking, and daily routines • Structured sessions that need more than one countdown Features: • Describe a timer in plain words and let AI build it for you (preview) • Flexible step and repeat-group timer design • Optional final-step skipping, useful for omitting final rest periods • Step cues for additional sounds, vibration, color transitions, countdowns, or in repeating intervals • Timer Summary with total time, time by color, cues, and progress behavior • Configurable run-screen controls for next step, total remaining time, skip, and restart • Custom progress tracking for steps or rounds • Saved custom timers and built-in starting points • Local-first storage • No account required • No ads Flextimer is built for anyone who needs more than a simple countdown timer.
Screenshots
Verdict
The clearest difference is rating: Flextimer at 5.0 against Interval Timer's 4.5. Flextimer also leads on in-app purchases (none vs 8) and ads (none vs shown). Interval Timer's advantage is ratings volume (19K vs 2) and iOS requirement (13.0 vs 15.1). On price, 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
Both are free to download. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. Flextimer asks for nothing beyond the download.
Flextimer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Interval Timer's written reviews are positive against 100% of Flextimer's.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Interval Timer | Flextimer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (19K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 72.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 19K — better | 2 |
| Update frequency | Every 9 days | Every 9 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 143 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | NEO PIXEL LABS PTE. LTD. | SOPHOMATH LLC |
Customer experience
Interval Timer
Flextimer
Bugs and requests
Interval Timer
Reported bugs
3 issues- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background
Requested features
5 requests- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options
Flextimer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Plus - 1 Month$0.991 Month
- Premium - 1 Month$1.991 Month
- Plus - 1 Month$1.991 Month
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- Premium - 1 Month$2.991 Month
- Plus - 1 Year2 variants$4.991 Year
- Premium - 1 Year7 Days trial2 variants$9.991 Year
Flextimer
No in-app purchases
Questions
Is Interval Timer free?
Is Flextimer free?
Which has better reviews, Interval Timer or Flextimer?
Do Interval Timer or Flextimer have ads?
Which is updated more often, Interval Timer or Flextimer?
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