Comparison

Interval Timer vs Session

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

Head to head
About

Interval Timer

Read full description

Build any interval workout from simple blocks. Interval Timer: HIIT & Gym helps you create flexible timers for HIIT, boxing rounds, Tabata, circuits, yoga, strength training, warmups, cooldowns, and recovery sessions. Instead of forcing you into one fixed format, the app lets you build your session from reusable blocks. Add work periods, rest periods, repeated groups, nested rounds, manual counting blocks, and custom sound cues to match the way you actually train. BUILD INTERVAL WORKOUTS • Create Work, Rest, and Group blocks • Repeat groups for rounds, circuits, or sets • Nest groups for advanced workout structures • Add repetition-only blocks for manual counting • Drag and reorder blocks instantly • Set preparation time per workout • Save different timer styles for different workouts MADE FOR HIIT, BOXING, TABATA & CIRCUITS Create classic interval sessions, boxing rounds, EMOM workouts, AMRAP circuits, strength supersets, yoga flows, stretching routines, or recovery timers. Whether your workout is simple or complex, you can build it your way. CLEAR TIMER EXPERIENCE • Large, focused countdown display • Countdown beeps and round-end signals • Custom mid-round sound cues • Skip, previous, and next controls • Landscape support for focused training • Stopwatch and quick custom timer included PERSONALIZE EVERY SESSION • Choose workout-end and block-end sounds • Add custom mid-round cues • Pick from multiple clean themes • Choose different ring styles, including segmented rings, rounded gaps, dot markers, unicolor rings, and inner-only designs SHARE WORKOUTS EASILY • Share workouts by code • Export and scan QR codes • Import workouts from code, QR, or file • Send workout files to friends with premium PRIVACY-FIRST • No account required • No subscription • Works fully offline • Your workout data stays on your device FREE VERSION • Save up to 3 workouts • Use the core workout builder and timer • Share and import workouts • Access selected sounds, themes, and ring styles PREMIUM - ONE-TIME PURCHASE • Unlimited saved workouts • All sounds • All themes • All ring styles • Advanced voice controls with text-to-speech Create the exact interval timer your training needs - from quick HIIT sessions to full boxing rounds, circuit workouts, yoga flows, and custom recovery routines.

About

Session

This minimalist timer is designed for focused interval training. Quickly set work, rest, and round durations for boxing, HIIT, and circuit workouts. Stay on track with clear countdowns and audio cues.

Highlights
  • Simple round timer interface
  • Adjustable work, rest, and rounds
  • Optional warm-up timer
  • Audio bells for round cues
  • Clear countdown display
  • Distraction-free design
Features
Read full description

SESSION is a minimalist interval timer designed for real training. No clutter. No complicated setup. Just start your rounds and focus on the workout. Perfect for: • Boxing • Muay Thai • HIIT • Circuit training • Strength intervals • Home workouts SESSION lets you quickly set work time, rest time, and rounds so you can stay focused inside the round. FEATURES • Simple round timer interface • Adjustable work, rest, and rounds • Optional warm-up timer • Audio cues for work and rest intervals • Clear countdown display • Clean, distraction-free design Whether you're training in the gym, garage, or at home, SESSION keeps your workout structured and focused. Start the round. Stay in the round.

Screenshots

Interval Timer4 screens
Session4 screens

Verdict

The call

The clearest difference is in-app purchases: Session at none against Interval Timer's 1. Interval Timer's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, 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

Both are free to download. Interval Timer sells 1 one-off in-app purchase. Session asks for nothing beyond the download.

UpkeepUpdate frequency

Interval Timer ships an update every 2 weeks, Session every 2 months. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
Interval Timer versus Session: the parameters behind the verdict, then further details
ParameterInterval TimerSession
PriceFreeFree
Rating—5.0 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—8 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size31 MB37 MB
Age rating4+4+
DeveloperGianluca NenzShane Landry

In-app purchases

1 purchases

Interval Timer

One-time1
  • Premium Unlock$2.99
None

Session

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is Session free?
Session is free to download, with no in-app purchases.
Do Interval Timer or Session have ads?
Neither Interval Timer nor Session shows ads.
Which is updated more often, Interval Timer or Session?
Interval Timer ships an update every 2 weeks, and Session every 2 months. Most recently, Interval Timer was updated on September 13, 2026 and Session on September 8, 2026.

Other comparisons