Interval Timer vs Sezzy Timer
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
Sezzy Timer
This app provides pre-formatted workout timers for various fitness routines, including HIIT and Pilates. It offers visual and auditory cues to guide users through exercises and rest periods, allowing for efficient and motivating workouts. Users can also create custom timers and listen to music simultaneously.
- Eleven unique pre-formatted timers
- Custom timer creation
- Visual and auditory cues
- Background operation with music
- Pause and play functionality
- Next exercise display
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The perfect pre-formatted timer app that allows you to get straight into your workout with the click of a button! Whether you're smashing out a HIIT workout, pilates or your own custom circuit, the Sezzy Timer has ELEVEN unique timers to use so your workouts are always efficient, fun and on track! Each timer uses visual and auditory cues to ensure you know what exercise you're up to! You can also listen to your tunes simultaneously as the timer to stay in the zone and maintain motivation. Timers to chose from: 1. Sweaty Shredder 2. Toning Power 3. 10 Minute Blaster 4. 15 Minute Burner 5. AMRAP 6. Custom Timer 7. 30 Min Pilates 8. HIIT Pilates 9. 45/15 Sweat 10. 10 Min Movement 11. Express Cardio All Timers Include: - Visual cues including rest, sets, circuit, exercises, supersets or rounds (depending what kind of workout you’re doing) - Auditory cues allowing you to step away from your phone and complete the workout purely through listening. Sezzy Timer specifies what round, exercise, set or rest period you’re up to. It will also help count you down until your next movement - Works in the background of your phone allowing you to listen to music and smash through your workout, while hearing cues from the timer app - Custom option to create your own personalised workout - Pause, and play option - Display of what is coming up next in your workout to better prepare your body. The Sezzy Timer app is simple, quick and easy to use and requires little to no preparation. Setting up timers and organising rounds, exercises and sets can often be confusing and tricky, so I’m here to take the stress out of your workout. Follow my cues and you’re on your way to a successful, sweaty, soul fulfilling workout!
Screenshots
Verdict
The clearest difference is price: Interval Timer at Free against Sezzy Timer's $1.99. Interval Timer also leads on rating (4.5 vs 3.9) and update cadence (every 9 days vs every 3 months). Sezzy Timer's advantage is in-app purchases (none vs 8) and ads (none vs shown). On 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
Interval Timer is free to download; Sezzy Timer costs $1.99 up front. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. Sezzy Timer asks for nothing beyond the download.
Interval Timer holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 100, so its average is the more settled of the two. Written reviews point the same way: 69% of Interval Timer's written reviews are positive against 50% of Sezzy Timer's.
Interval Timer ships an update every 9 days, Sezzy Timer every 3 months. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.
| Parameter | Interval Timer | Sezzy Timer |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.5 (19K ratings) — better | 3.9 (100 ratings) |
| Positive reviews | 69.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 19K — better | 100 |
| Update frequency | Every 9 days — better | Every 3 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | — | #59 — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 143 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | NEO PIXEL LABS PTE. LTD. | Sarah's Day Pty Limited |
Customer experience
Interval Timer
Sezzy Timer
User reviews
Interval Timer
From 19K App Store ratingsWhat we love
- 🚀 Free version works well
- 👍 Customizable intervals and timers
- 👍 Flexible for different workouts
- 👍 Easy to use and set up
- 👍 Provides visual and audio cues
Room to improve
- 🐛 Timer issues (stops, loses time)
- 🔋 Drains battery when used
- 💰 Expensive subscription model
- 📢 Intrusive ads
- 🔒 Incompatible with other apps
Sezzy Timer
From 100 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🎵 Works seamlessly with background music (Spotify, Apple Music)
- 🎤 Sarah's voice guidance is motivating and helpful
- 💪 Perfect companion for Sarah's ebook workouts
- ⏱️ Eliminates need to manually set up interval timers
Room to improve
- 🐛 Timer frequently crashes or stops mid-workout
- 🐛 Timer pauses when switching between apps
- ⏰ Timer accuracy issues (runs slow or fast)
- ❌ No back button to return to main menu
- ❌ Cannot skip ahead if timer accidentally exits
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
Sezzy Timer
Reported bugs
14 issues- Timer stops or crashes mid-workout
- Timer pauses when switching to other apps
- Timer accuracy issues (runs faster or slower than expected)
- App crashes when phone screen locks
- Timer resets if accidentally navigate away
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- Sarah's voice cuts off mid-announcement
- Sarah's voice too quiet to hear over music
- Screen doesn't rotate to landscape mode
- Custom timer setup is confusing and unclear
- Timer skips breaks or jumps between sections
- App freezes or becomes unresponsive
- Music stops playing when app opens
- Countdown timer numbers partially hidden
- Next exercise/round indicators reversed at bottom of screen
Requested features
13 requests- Apple Watch app support
- Add 20-second rest period option
- Save custom timer settings for reuse
- Skip/fast-forward button to jump between sets
- Back button to return to main menu
Show 8 moreShow fewer
- Display exercise names instead of just numbers
- Summary screen showing total workout time and circuits completed
- Progress tracking and calendar logging
- More rest/workout time increment options
- Ability to skip rounds if timer glitches
- Better custom timer UI with clearer instructions
- Music volume ducking when Sarah speaks
- Workout total time display for custom timers
In-app purchases
Interval Timer
- Plus - 1 Month$0.991 Month
- Premium - 1 Month$1.991 Month
- Plus - 1 Month$1.991 Month
Show 3 moreShow fewer
- Premium - 1 Month$2.991 Month
- Plus - 1 Year2 variants$4.991 Year
- Premium - 1 Year7 Days trial2 variants$9.991 Year
Sezzy Timer
No in-app purchases
Questions
Is Interval Timer free?
Is Sezzy Timer free?
Which has better reviews, Interval Timer or Sezzy Timer?
Do Interval Timer or Sezzy Timer have ads?
Which is updated more often, Interval Timer or Sezzy Timer?
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