Comparison

Intervals One vs 941 Reps

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

Head to head
About

Intervals One

Features
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Intervals One – Your Interval Training Coach The interval timer designed for real workouts. Crystal-clear voice guidance, effortless setup, and intelligent features that adapt to how you train. No clutter. No complexity. Just smart interval training that helps you build better workouts and stay focused. TWO MODES. INFINITE POSSIBILITIES. Simple Mode: Perfect for quick sessions. Set your timing for all exercises at once, hit start, and let the voice guidance coach you through every phase. Ideal for consistent HIIT, Tabata, circuits, or bodyweight training. Premium users can customize each exercise stage with specific movements, reps, and effort levels. Advanced Mode: Complete control. Customize every exercise with individual timings per round, choose specific movements from our exercise library, set rep targets or effort levels, and build structured training programs that match your goals. WHY ATHLETES CHOOSE INTERVALS ONE Clear Voice Coaching: Professional voiceovers - announce every phase, exercise, and transition. Train eyes-free with clear, motivating guidance that keeps you in the zone. Intuitive Design: Create workouts in seconds with our distraction-free interface. No complicated builders or endless menus - just fast, focused setup that gets you moving. Works Everywhere: Train offline, indoors, or outdoors. No internet required once downloaded. Works perfectly with AirPods, speakers, or silent mode with haptics. PERFECT FOR - HIIT & Tabata intervals - AMRAP (As Many Reps As Possible) - Circuit training - Bodyweight workouts - Strength & conditioning - Cardio intervals - Functional fitness - CrossFit-style training SMART COACHING FEATURES - Next exercise cues so you're always prepared - Halfway alerts to pace yourself - Round completion announcements - Customizable countdown timers - Haptic feedback for silent training - Adjustable audio cues - Round recovery periods PRIVACY FIRST Your workout data stays yours. No account required. Optional iCloud sync keeps your workouts and history private and secure across your devices. START FREE Get unlimited basic interval workouts with full timing customization and premium voice guidance - completely free. Upgrade to Premium when you're ready for exercise selection, rep tracking, and advanced per-round customization. Download Intervals One and experience smarter interval training today. Privacy Policy: https://www.ninetysixsoftware.co.uk/hiit-privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

941 Reps

Features
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New: Progress Pics. Front, side and back on the same mark every time. Encrypted on your iPhone, synced only through your own iCloud, never on our servers. Reps is the workout tracker for every Apple screen — iPhone, Apple Watch, iPad, Mac, and Apple TV. Most trackers make you fight a spreadsheet mid-set. Reps keeps the workout view quiet: plan the session, log each set in two taps, and let the progression engine decide what's next. THE PROGRESSION ENGINE Reps ships the actual math other apps hide behind "add weight when it feels easy": double progression, effort gates, comeback ramps after time off, and stall resets after three failed sessions. You always know why the next session asks what it asks. EVERY APPLE SCREEN • iPhone: plan, log, review — the whole gym flow • Apple Watch: your day's sets on your wrist, logged in a tap • Apple TV: your session on the living-room screen while you train, plus an optional viewer for your progress photos • iPad + Mac: review progress, adjust the plan • Widgets: today's session at a glance • Dynamic Island + Lock Screen: your rest timer without unlocking PROGRESS PICS Stand on the mark, line up with the ghost of your last photo, and a hands-free shutter takes the shot. Front, side and back, lined up month after month. Reps encrypts your photos on your iPhone and keeps the vault behind Face ID, Touch ID or your passcode. Optional sync stores them in your private iCloud database, protected by Apple's encryption: sync never sends a photo to our servers, and Reps never adds one to your Photos library on its own. Keep them on this iPhone only if you prefer. Turn on Show on Apple TV and an Apple TV on the same iCloud account shows them too, you against a blurred backdrop: hold Select to reveal, press Back or Menu to hide. The TV cannot take photos or change your iCloud originals. PRIVACY, PLAINLY Your workout log is stored on your devices and can sync through your own iCloud account; progress photos sync only when you turn that on. Reps has no sign-in and no ads, and no photo ever goes to our servers. Erase all progress photos removes them from this iPhone and asks iCloud to delete its copy, once you type ERASE to confirm; if iCloud is unreachable, that part finishes when it is back. BUILT TO STAY OUT OF YOUR WAY • Two-tap set logging, effort ratings when you want them • Apple Health integration — lift days in context • Antagonist paired-set support for superset training • No Reps account and no ads. Cloud AI planning sends training context to your selected provider when you request a plan. FOR THE TERMINAL PEOPLE Reps ships an MCP server and a CLI — ask your training log questions from Claude or your own tools. REPS PRO Your first 3 workouts are on us. From there, Reps Pro adds AI planning hosted by Reps — a subscription. Everything else in Reps stays free. AI planning, hosted by Reps — no API key needed. Ask for any program; the plan adapts as you train. Everything else in Reps is free. US$7.99/month or US$49.99/year, local pricing shown in the app, auto-renewable. Payment charged to your Apple Account; renews unless canceled 24h before period end; manage in Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://941reps.com/privacy

Screenshots

Intervals One4 screens
941 Reps4 screens

Verdict

The call

The clearest difference is update cadence: 941 Reps at every 4 days against Intervals One's every 4 months. 941 Reps also leads on device support (5 vs 2). Intervals One's advantage is iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Intervals One sells 3 in-app purchases, starting at $1.99 per month and 941 Reps 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

Intervals One ships an update every 4 months, 941 Reps every 4 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Intervals One versus 941 Reps: the parameters behind the verdict, then further details
ParameterIntervals One941 Reps
PriceFreeFree
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, Mac, Apple TV, Apple Watch — better
Requires iOS17.0 — better26.0
Further details — not scored
Size64 MB22 MB
Age rating4+4+
DeveloperNinety Six Software LtdChristopher Crosley

In-app purchases

3 purchases

Intervals One

Subscriptions2
  • Pro Monthly7 Days trial$1.991 Month
  • Pro Annual$14.991 Year
One-time1
  • Pro Lifetime$19.99
2 purchases

941 Reps

Subscriptions2
  • Reps Pro Monthly7 Days trial$4.991 Month
  • Reps Pro Yearly7 Days trial$29.991 Year

Questions

Is Intervals One free?
Intervals One is free to download, with in-app purchases available.
Is 941 Reps free?
941 Reps is free to download, with in-app purchases available.
Do Intervals One or 941 Reps have ads?
Neither Intervals One nor 941 Reps shows ads.
Which is updated more often, Intervals One or 941 Reps?
Intervals One ships an update every 4 months, and 941 Reps every 4 days. Most recently, Intervals One was updated on October 9, 2026 and 941 Reps on October 12, 2026.

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