Interval Timer · Tabata & HIIT vs Delta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer · Tabata & HIIT
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Achieve your fitness goals with a timer that is ultra-simple to use. Whether it's CrossFit, boxing, or home workouts, customize your rounds, rest, and work periods in just a few taps. Stay Focused: Visual and audio cues guide you without looking at the screen. Train Your Way: Listen to your favorite music while you work out. Track Progress: View your daily streaks and full workout history. Privacy Policy: https://devcros4.github.io/TabataTimer-Site/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Delta
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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 update cadence: Delta at every 3 days against Interval Timer · Tabata & HIIT's monthly. Delta also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). 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
Both are free to download. Interval Timer · Tabata & HIIT sells 3 in-app purchases, starting at $2.99 per month 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 Timer · Tabata & HIIT ships an update monthly, Delta every 3 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.
| Parameter | Interval Timer · Tabata & HIIT | Delta |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 62 MB |
| Age rating | 4+ | 17+ |
| Developer | jean-baptiste delcros | MITHUN NATH EDAKKATTU MAYOORANADHAN |
In-app purchases
Interval Timer · Tabata & HIIT
- Monthly plan7 Days trial$2.991 Month
- Lifetime Access$9.99
- Lifetime Access$19.99
Delta
- Delta Premium - Monthly14 Days trial$4.991 Month
- Delta Premium - Annually14 Days trial$49.991 Year
Questions
Is Interval Timer · Tabata & HIIT free?
Is Delta free?
Do Interval Timer · Tabata & HIIT or Delta have ads?
Which is updated more often, Interval Timer · Tabata & HIIT or Delta?
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