Comparison

Surge vs Surge HIIT

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

Head to head
About

Surge

This interval timer app supports various workout styles like HIIT, Tabata, and boxing rounds. It offers customizable work/rest periods, round counts, and presets, with clear audio and haptic cues to guide your training without needing to watch the clock.

Highlights
  • Customizable work and rest periods
  • Adjustable round counts
  • Pre-set workout modes (HIIT, Tabata, Boxing)
  • Audio and haptic cues
  • Save custom workout presets
  • Glanceable countdown timer
Features
Read full description

Surge is a beautifully designed interval timer for HIIT, Tabata, boxing rounds, EMOM and any circuit-style workout — at home, in the gym or ringside. Pay once and it's yours forever. No subscriptions, no in-app purchases, no ads — every feature included. Set your work and rest, pick your rounds and press play — Surge calls every phase with beeps and haptics, so you train bell to bell without watching the clock. ROUNDS READY TO GO • Tabata — 20s work / 10s rest × 8 rounds • HIIT — 40s work / 20s rest × 10 rounds • Boxing — 3:00 rounds with 1:00 rest × 6 • EMOM — 60-second intervals × 10 • Stretch — 30s holds / 10s rest × 12 • Edit any built-in preset to match your training YOUR WORKOUT, YOUR RULES • Work from 5 seconds to 10 minutes, rest up to 5 minutes • 1–50 rounds, with an optional preparation countdown • Save up to 20 presets with custom names and icons • Skip a phase mid-workout; the screen stays awake to the final bell • A large, glanceable countdown with an animated progress ring BUILT RIGHT • Pay once, own it for life — the price you see is everything • No subscriptions, no in-app purchases, no upsells • No ads, ever • Megabytes, not gigabytes — no ad libraries, no analytics SDKs, nothing that isn't the app itself • No account and no data collection — your presets never leave your device • Designed for iPhone and iPad Download Surge and let every round run itself.

About

Surge HIIT

Features
Read full description

HIIT shouldn't start with a fight against a confusing timer. Surge HIIT does the hard part for you: pick a workout, hit start, and move. Your phone — and your Apple Watch — call every interval so you never have to look down mid-burpee. Built for people who want to sweat, not fiddle. — WORKOUTS THAT ARE READY WHEN YOU ARE — Eight studio-quality HIIT workouts, beginner to advanced. No setup, no guesswork. Warm-up, work, rest, cooldown — all timed, all coached, all yours from the first tap. — BUILD YOUR OWN, EXACTLY YOUR WAY — Drag-and-drop the perfect routine in our custom builder. Set work and rest to the second, name your exercises, pick your colors. Tabata, EMOM, circuits, ladders — if you can imagine it, you can build it. Frankly, the builder is tremendous. — YOUR APPLE WATCH BECOMES A COACH — This is where Surge pulls ahead. Real-time heart rate. Active calories. Haptic taps on every interval change so you feel the switch without breaking stride. Your custom workouts sync straight to your wrist, and your Activity rings close automatically. Leave the phone on the bench. — SPOKEN CUES, EYES UP — Surge announces each interval out loud in a natural voice and ducks your music so you hear it. No squinting at a screen between rounds. — NINE THEMES WITH REAL CHARACTER — From cool Glacier blues to molten Ember, electric Voltage, and a neon Tron-inspired grid. Make the app yours. — 100% OFFLINE. ZERO ADS. ZERO NONSENSE — No internet required. No accounts. No ads interrupting your set. Ever. Just you and the work. — APPLE HEALTH — Every session saves to Apple Health — workouts, active calories and heart rate — so your progress lives where the rest of your fitness data does. — START FREE — Two built-in workouts and two custom workouts are free forever. Want it all? Start a 14-day free trial — no credit card, no commitment. Keep the free workouts as long as you like. Surge Premium unlocks: • All 8 HIIT workouts • Unlimited custom workouts and exercises • Every color theme • The full Apple Watch experience It's a HIIT timer that respects your time. Believe me — your next workout starts the second you open it. Download Surge HIIT and go. ——— Subscription details: A yearly subscription is available after the free trial, or buy Lifetime once and own it forever. Payment is charged to your Apple ID. The yearly subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://ibkoch247.de/en/datenschutz/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Surge4 screens
Surge HIIT4 screens

Verdict

The call

The clearest difference is price: Surge HIIT at Free against Surge's $2.99. Surge HIIT also leads on update cadence (every 5 days vs fortnightly). Surge's advantage is chart position (#165 vs unranked). On ads, in-app purchases, device support and 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

CostPrice · In-app purchases · Ads · Monetization

Surge HIIT is free to download; Surge costs $2.99 up front. Surge sells 1 one-off in-app purchase and Surge HIIT sells 3 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Surge ships an update fortnightly, Surge HIIT every 5 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Surge versus Surge HIIT: the parameters behind the verdict, then further details
ParameterSurgeSurge HIIT
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
Best chart rank#165 — better—
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS18.617.6 — better
Further details — not scored
Size1 MB7 MB
Age rating4+4+
DeveloperMatthew AveryRalf Koch

In-app purchases

1 purchases

Surge

One-time1
  • Surge Pro$0.99
3 purchases

Surge HIIT

Subscriptions1
  • Surge Hiit Premium - Yearly$29.991 Year
One-time2
  • Surge Hiit Premium - 14-day TrialFree
  • Surge Hiit Premium - Lifetime$79.99

Questions

Is Surge free?
Surge costs $2.99, and also offers in-app purchases.
Is Surge HIIT free?
Surge HIIT is free to download, with in-app purchases available.
Do Surge or Surge HIIT have ads?
Neither Surge nor Surge HIIT shows ads.
Which is updated more often, Surge or Surge HIIT?
Surge ships an update fortnightly, and Surge HIIT every 5 days. Most recently, Surge was updated on October 25, 2026 and Surge HIIT on October 12, 2026.

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