Comparison

Interval Timer · Tabata & HIIT vs Delta

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Interval Timer · Tabata & HIIT

Features
Read full description

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/

About

Delta

Features
Read 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

Interval Timer · Tabata & HIIT4 screens
Delta2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
Interval Timer · Tabata & HIIT versus Delta: the parameters behind the verdict, then further details
ParameterInterval Timer · Tabata & HIITDelta
PriceFreeFree
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size6 MB62 MB
Age rating4+17+
Developerjean-baptiste delcrosMITHUN NATH EDAKKATTU MAYOORANADHAN

In-app purchases

3 purchases

Interval Timer · Tabata & HIIT

Subscriptions1
  • Monthly plan7 Days trial$2.991 Month
One-time2
  • Lifetime Access$9.99
  • Lifetime Access$19.99
2 purchases

Delta

Subscriptions2
  • Delta Premium - Monthly14 Days trial$4.991 Month
  • Delta Premium - Annually14 Days trial$49.991 Year

Questions

Is Interval Timer · Tabata & HIIT free?
Interval Timer · Tabata & HIIT is free to download, with in-app purchases available.
Is Delta free?
Delta is free to download, with in-app purchases available.
Do Interval Timer · Tabata & HIIT or Delta have ads?
Neither Interval Timer · Tabata & HIIT nor Delta shows ads.
Which is updated more often, Interval Timer · Tabata & HIIT or Delta?
Interval Timer · Tabata & HIIT ships an update monthly, and Delta every 3 days. Most recently, Interval Timer · Tabata & HIIT was updated on October 18, 2026 and Delta on October 28, 2026.

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