Comparison

Interval Pal vs Shift

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

Head to head
About

Interval Pal

Features
Read full description

A round timer and interval timer for boxing, MMA, Muay Thai, HIIT and Tabata. Big countdown, cues you can hear over your music, and it keeps running with your phone locked. Set it up in seconds Choose your work and rest times, exercises per round, rounds, rest between rounds and a get-ready countdown. The total time shows straight away. Tap play and go. Easy to read mid-set • Big countdown digits and a bold color for each phase, readable from across the room • The screen stays on for the whole workout • Pause, skip forward or back, or restart whenever you like Cues you can hear • 3-2-1 beeps and different sounds for work and rest • Plays on silent and over your music or podcast • Your music dips for a moment at each cue, and can stay low through short intervals • A boxing bell at the start and end of every round in boxing workouts • A 10-second warning before each work interval of a minute or more ends • Vibration too, if you like Locked phone, still on time Lock your iPhone and the cues keep playing on time, with a live countdown on your Lock Screen and in the Dynamic Island. Your workouts, your way • Ten built-in workouts: Amateur Boxing, Pro Boxing, MMA, Muay Thai, Classic Tabata, HIIT Standard, EMOM Style, Quick Burn, Endurance Builder and Strength Intervals • Save your own workouts and start any of them in one tap, or put one on the Timer to tweak it first • Share workouts with friends by link • Home Screen quick actions to jump straight in Track your progress • Workout history with trends over 7, 30 and 90 days • Apple Health: workouts are saved to Health, and heart rate and calories recorded by your Apple Watch show in your summary • Your Pal gets stronger: finish workouts to level your Pal up from Rookie to Champion, and your Home Screen icon changes with it Make it yours • 16 color themes and custom timer colors • Works on iPhone Duo, with layouts for both screens • Supports Dynamic Type, VoiceOver and Reduce Motion Your workouts stay on your iPhone. No account, no ads. SUBSCRIPTION Interval Pal needs a subscription or a one-time lifetime purchase to run workouts. Start with a 7-day free trial of the yearly plan, or choose a monthly subscription or lifetime. Prices are shown in the app before you buy. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple Account when you confirm the purchase, or when a free trial ends. You can manage or cancel subscriptions in your Apple Account settings. Any unused part of a free trial is forfeited when you buy a subscription. Privacy Policy: https://intervalpal.com/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Shift

Features
Read full description

Shift is an interval timer made as simple as possible (but not any simpler). Set up in seconds: • Work • Rest • Repeat How long you exercise – how long you recover – how many rounds. That’s all. Tap Start and Shift takes it from there. Finished workouts stay in History, so your last workout can be your next preset. Load it and go. A few essentials: • Voice cues or simple tones that don’t lower your music • Keeps time in the background • A Live Activity on your Lock Screen and Dynamic Island • A workout display you can turn sideways • Made for iPhone and iPad Completely free. No ads, no paywall, no subscriptions. No accounts, analytics or tracking. Your workouts stay on your device.

Screenshots

Interval Pal4 screens
Shift4 screens

Verdict

The call

The clearest difference is in-app purchases: Shift at none against Interval Pal's 6. Shift also leads on update cadence (every 4 days vs every 3 weeks). Interval Pal's advantage is iOS requirement (18.0 vs 26). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Pal sells 6 in-app purchases, starting at $2.49 per month. Shift asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Pal ships an update every 3 weeks, Shift every 4 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 6 level
Interval Pal versus Shift: the parameters behind the verdict, then further details
ParameterInterval PalShift
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS18.0 — better26
Further details — not scored
Size20 MB51 MB
Age rating4+4+
DeveloperPROMETHIC LABS PTY LTDJorick van Meijeren

In-app purchases

6 purchases

Interval Pal

Subscriptions4
  • Interval Pal Pro Monthly$2.491 Month
  • Interval Pal Pro Yearly7 Days trial$9.991 Year
  • Interval Pal Pro Yearly7 Days trial$12.991 Year
Show 1 more
  • Interval Pal Pro Yearly1 Year trial$12.991 Year
One-time2
  • Interval Pal Pro Lifetime$19.99
  • Interval Pal Pro Lifetime$24.99
None

Shift

No in-app purchases

Questions

Is Interval Pal free?
Interval Pal is free to download, with in-app purchases available.
Is Shift free?
Shift is free to download, with no in-app purchases.
Do Interval Pal or Shift have ads?
Neither Interval Pal nor Shift shows ads.
Which is updated more often, Interval Pal or Shift?
Interval Pal ships an update every 3 weeks, and Shift every 4 days. Most recently, Interval Pal was updated on October 28, 2026 and Shift on October 29, 2026.

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