Interval Exercise Timer ™ vs Delta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Exercise Timer ™
Optimize your exercise routines with a customizable interval timer. Set precise 'Prepare,' 'Work,' and 'Rest' durations, and manage multiple sets and rounds for efficient workouts. Save your custom settings for easy access to consistent training.
- Customizable Prepare, Work, and Rest timers
- Multi-round and set options
- Real-time progress tracking
- Save and load custom timer settings
- User-friendly interface
Read full descriptionHide full description
Take your workouts to the next level with Interval Exercise Timer, the definitive interval timer designed for those who seek to optimize their exercise routines. Never second-guess when to start, stop, or rest. Our customizable 'Prepare,' 'Work,' and 'Rest' timers guide you through each set and round, allowing you to focus on what really matters—your workout. Why Choose Workout Timer? • Optimal Efficiency: Our precision timing allows you to know exactly when to prepare, work out, and rest, so you can get the most out of your training sessions. • Fully Customizable: Dial in your exact needs with adjustable 'Prepare,' 'Work,' and 'Rest' intervals. Customize the number of sets and rounds to tailor your workout perfectly. • Never Miss a Beat: The 'Prepare' timer ensures you're always set to start your next exercise, making your routines seamless and efficient. Key Features: • User-Friendly Interface: Get started quickly and easily with our intuitive layout. • Custom Timers: Decide the duration for 'Prepare,' 'Work,' and 'Rest' phases to fit your unique training goals. • Multi-Round and Set Options: Vary your workout complexity with multiple sets and rounds, ideal for HIIT, circuit training, and more. • Real-Time Tracking: Keep tabs on your progress with live countdowns during each workout phase. • Save and Load: Save your customized timing settings for future sessions, making it easier to stick to a consistent workout routine. Who Is This App For? • Athletes and coaches in need of precise timing for maximum workout effectiveness. • Fitness enthusiasts who aim to enhance their interval or circuit workouts for greater results. Download Interval Exercise Timer now and experience a new standard of efficiency in your workouts. With exact timing settings and real-time tracking, you have the tools you need to achieve peak performance. Interval Exercise Timer app is free. You can use it forever, at no cost. However, Interval Exercise Timer does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. ADDITIONAL FEATURES FOR SUBSCRIBED USERS • No Ads • Unlimited number of workout per day • Keep timer active in background. The timer remains active even if you switch to another app or turn off the screen. Terms of Use: https://kociapp.github.io/Interval-Exercise-Timer/term-of-use Privacy Policy: https://kociapp.github.io/Interval-Exercise-Timer/privacy-policy
Delta
Read full descriptionHide full description
You focus on lifting. Delta handles everything else. Delta turns the way you already think into structured workouts, instantly. Just speak or type your sets naturally, and Delta organizes everything for you in real time. No forms. No friction. No wasted time between sets. Log workouts your way Skip manual entry completely. Say something like: “Chest press 150 for 12, 2 sets… then 160 for 10” Delta understands and builds your workout automatically. From raw notes to clean structure Your thoughts become perfectly organized sets, reps, and weights — instantly. No corrections. No formatting. It just works. Train with real progression Delta doesn’t just track workouts — it helps you improve them. • See strength increases over time • Track progressive overload across every lift • Understand what’s actually making you stronger Train with the same clarity and intent as elite athletes. Know your intensity Every set is analyzed automatically. • Effort tracking per set • Clear intensity feedback • Smarter decisions mid-workout Push when it matters. Recover when needed. Understand your body Go beyond simple workout logs. • Muscle-level breakdown • Identify what’s overworked or undertrained • Build a more balanced program Stay consistent without thinking Delta keeps you locked in: • Built-in streaks • Smart reminders • Effortless logging Less friction → more consistency → better results. SUBSCRIPTION Delta requires an active subscription to use. A 2-week free trial is available for new subscribers. After the trial, your subscription auto-renews at the listed price unless cancelled at least 24 hours before the renewal date. Manage or cancel in your Apple ID account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.deltalog.fit/privacy
Screenshots
Verdict
The clearest difference is ads: Delta at none against Interval Exercise Timer ™'s shown. Delta also leads on update cadence (every 3 days vs monthly) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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 Exercise Timer ™ sells 5 in-app purchases, starting at $0.99 per 7 days and Delta sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Interval Exercise Timer ™ ships an update monthly, Delta every 3 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | Interval Exercise Timer ™ | Delta |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (20 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 62 MB |
| Age rating | 4+ | 17+ |
| Developer | Andy Sutanto | MITHUN NATH EDAKKATTU MAYOORANADHAN |
In-app purchases
Interval Exercise Timer ™
- Workout Timer Pro$0.997 Days
- Workout Timer Pro$1.491 Month
- Exercise Timer Pro$6.996 Months
Show 1 moreShow fewer
- Tabata Timer Pro3 Days trial$19.991 Year
- Interval Timer Pro$39.99
Delta
- Delta Premium - Monthly14 Days trial$4.991 Month
- Delta Premium - Annually14 Days trial$49.991 Year
Questions
Is Interval Exercise Timer ™ free?
Is Delta free?
Do Interval Exercise Timer ™ or Delta have ads?
Which is updated more often, Interval Exercise Timer ™ or Delta?
Other comparisons















