Comparison

Pacelab Interval Timer vs Flash Interval Timer Workout

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

Head to head
About

Pacelab Interval Timer

Features
Read full description

Push your limits with Pacelab Interval Timer — the simple, powerful timer designed for HIIT, Tabata, circuit training, and any interval-based workout. 100% FREE. NO PRO VERSION. NO REGISTRATION. Just a powerful timer that helps you train better. ▸ SIMPLE & INTUITIVE No complicated menus. Set your work time, rest time, sets, and rounds — then start. The clean interface lets you focus on your workout, not your phone. ▸ VOICE-GUIDED WORKOUTS Stay in the zone with voice announcements. Hear "Go!" when it's time to work, "Halfway!" during intense intervals, and countdown alerts so you're always ready for the next phase. ▸ AUDIO & HAPTIC CUES Choose between voice announcements or beep sounds. Feel the vibration on phase changes. Never miss a transition, even when you can't see the screen. ▸ FULLY CUSTOMIZABLE - Work & rest intervals (5 seconds to 10 minutes) - Multiple sets and rounds - Optional warmup period - Round break time between rounds - Adjust everything with simple +/- controls ▸ TRACK YOUR PROGRESS View your workout history and statistics. See total workouts completed, time trained, and workout breakdowns. Stay motivated by watching your progress grow. ▸ DESIGNED FOR ATHLETES - Large, visible timer display - Color-coded phases (blue for work, gray for rest) - Previous/Next controls to skip or repeat intervals - Screen stays awake during workouts - Works offline — no account required Perfect for: • HIIT & Tabata workouts • Circuit training • Boxing & martial arts rounds • CrossFit-style WODs • Strength training rest periods • Stretching & yoga intervals • Running intervals • Any timed activity Simple. Powerful. Free. Download Pacelab Interval Timer and start training smarter today.

About

Flash Interval Timer Workout

This app provides a customizable interval timer for various high-intensity interval training (HIIT) and circuit workouts. Easily build, save, and access your training sessions with clear visual cues and audio prompts to keep you focused.

Highlights
  • Customizable work and rest phases
  • Save and favorite workouts
  • Large, clear countdown display
  • Audio and voice cues
  • Workout history tracking
  • Multiple appearance themes
Features
Read full description

Flash Interval Timer Workout is a fast, focused interval timer for HIIT, Tabata, circuits, running, strength work, and custom training sessions. Build sessions in seconds, save them to your library, and stay locked in with a large circular countdown that makes it obvious what phase you are in, how long is left, and what comes next. Features: Big full-screen interval timer Custom work, rest, prepare, and cooldown phases Save workouts to your library Favourite workouts for quick access Presets for fast setup Advanced custom sets and variations Skip the last rest option Audio and voice countdown cues Multiple sound themes Per-phase colour customisation Workout history Light, dark, and system appearance options Flash Interval Timer Workout is designed to reduce friction before and during training, so you can start quickly and keep moving.

Screenshots

Pacelab Interval Timer4 screens
Flash Interval Timer Workout4 screens

Verdict

The call

The clearest difference is ads: Pacelab Interval Timer at none against Flash Interval Timer Workout's shown. Flash Interval Timer Workout's advantage is update cadence (every 9 days vs every 4 months). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pacelab Interval Timer ships an update every 4 months, Flash Interval Timer Workout every 9 days. The most recent releases landed on September 27, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Pacelab Interval Timer versus Flash Interval Timer Workout: the parameters behind the verdict, then further details
ParameterPacelab Interval TimerFlash Interval Timer Workout
PriceFreeFree
Rating—4.9 (7 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.1
Further details — not scored
Size24 MB43 MB
Age rating4+4+
DeveloperNewbuildsoftColin Differ

In-app purchases

None

Pacelab Interval Timer

No in-app purchases

None

Flash Interval Timer Workout

No in-app purchases

Questions

Is Pacelab Interval Timer free?
Pacelab Interval Timer is free to download, with no in-app purchases.
Is Flash Interval Timer Workout free?
Flash Interval Timer Workout is free to download, with no in-app purchases.
Do Pacelab Interval Timer or Flash Interval Timer Workout have ads?
Flash Interval Timer Workout shows ads; Pacelab Interval Timer does not.
Which is updated more often, Pacelab Interval Timer or Flash Interval Timer Workout?
Pacelab Interval Timer ships an update every 4 months, and Flash Interval Timer Workout every 9 days. Most recently, Pacelab Interval Timer was updated on September 27, 2026 and Flash Interval Timer Workout on October 7, 2026.

Other comparisons