Comparison

Custom Fitness Timer vs Interval Timer

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

Head to head
About

Custom Fitness Timer

Create and manage custom timers for various fitness activities like countdowns, intervals, and work/rest periods. Features include intuitive navigation, a press-and-hold stopwatch, and optional sound alerts. Personalize timers with custom names and colors to match different phases.

Highlights
  • Unlimited custom timer creation
  • Countdown timer
  • Interval timer
  • Work/Rest timer
  • Press and hold stopwatch
  • Optional timer sounds
  • Color-coded timer phases
Read full description

This custom fitness timer application offers: -Intuitive navigation -A Press and Hold Stop Watch -Free unlimited new timer creation -Three timer varieties: -Countdown -Interval -Work/Rest -Optional timer end and warning sounds -Color change to indicate timer phase -Customer timer naming

About

Interval Timer

Features
Read full description

A clean, powerful interval timer for Tabata, HIIT, boxing, running intervals, EMOM, AMRAP and custom workouts. No ads. No account. Start your workout in one tap and follow clear voice, bell and haptic cues, so your focus stays on training instead of on your phone. BUILT FOR REAL TRAINING Designed for workouts where every second matters: • Tabata 20s work / 10s rest • HIIT circuits • Boxing and MMA rounds • Run / walk intervals • EMOM and AMRAP workouts • Mobility, stretching and custom routines TRAIN BY SOUND Choose the cue style that fits your session: • Voice Coach for guided intervals • Boxing Bell for round-based training • Music Friendly mode for workouts with music • Silent Haptics when you want no sound BIG TIMER. ZERO GUESSING. The workout screen is built to be readable while moving: • Huge countdown numbers • Clear WORK and REST states • Color-coded phases • Next interval preview • Round progress • Simple pause, skip and stop controls CUSTOM ROUTINES Build your own interval structure in seconds: • Work duration • Rest duration • Rounds • Warmup and cooldown • Sound mode • Custom Tabata, HIIT, boxing and running timers MADE TO STAY OUT OF THE WAY Focused, fast and minimal: • One-tap start • Control lock during workouts • Cues keep firing with the screen off • Clean dark interface • No clutter • No social feed • No workout videos you did not ask for Whether you train at home, in the gym, on the track or in a boxing class, this timer keeps you on the next interval. Train by sound. Move on time.

Screenshots

Custom Fitness Timer4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is ads: Interval Timer at none against Custom Fitness Timer's shown. Custom Fitness Timer's advantage is update cadence (every 4 days vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Custom Fitness Timer ships an update every 4 days, Interval Timer every 5 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Custom Fitness Timer versus Interval Timer: the parameters behind the verdict, then further details
ParameterCustom Fitness TimerInterval Timer
PriceFreeFree
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 days — betterEvery 5 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size15 MB70 MB
Age rating4+4+
DeveloperJared RosenthalCODEENSIS LTD

In-app purchases

None

Custom Fitness Timer

No in-app purchases

None

Interval Timer

No in-app purchases

Questions

Is Custom Fitness Timer free?
Custom Fitness Timer is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with no in-app purchases.
Do Custom Fitness Timer or Interval Timer have ads?
Custom Fitness Timer shows ads; Interval Timer does not.
Which is updated more often, Custom Fitness Timer or Interval Timer?
Custom Fitness Timer ships an update every 4 days, and Interval Timer every 5 months. Most recently, Custom Fitness Timer was updated on October 14, 2026 and Interval Timer on October 7, 2026.

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