Comparison

Pace It vs 1SecondLap

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

Head to head
About

Pace It

This app helps runners analyze their training progress by tracking pace improvements across heart rate zones. It provides personalized training paces that adapt to your current fitness level, ensuring your workouts remain relevant. Monitor key metrics like VO2 max and training load for a comprehensive view of your development.

Highlights
  • Track pace progression across heart rate zones
  • Personalized adaptive training paces
  • Monitor VO2 max and training load
  • Build and run structured workouts on Apple Watch
  • Integrates with Strava and Apple Health
  • Shoe tracking and rotation
  • Personal best and yearly performance summaries
Features
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The feedback loop your training was missing. Built for runners who care about pacing accuracy, long-term progress beyond PBs and whether all that training is paying off. Am I getting fitter? See how your pace changes at the same heart rate across zones, month after month. Are my training paces still right? Get updated pace targets for 5K, 10K and threshold efforts based on your runs and current fitness. Am I doing too much? Compare your recent training load with your baseline to help balance training and recovery. What run makes sense today? Get a daily workout suggestion based on your training load and paces. Works with Apple Health. Compatible with Strava. No account needed. LONG-TERM FITNESS TRENDS - Average monthly pace trends by heart rate zone, Zone 1 to Zone 4 - Running efficiency: pace vs heart rate for every run over 90 days - Pace It Index: a 0 to 100 fitness score with a 30-day trend - VO2 max tracking & VDOT trends TRAINING LOAD & RUN SUGGESTIONS - Training Load Ratio: your last 7 days against your baseline, updated after every workout across all activities - Recovery time: estimate when your load will return to optimal range - Today's run: see a workout suggestion based on your load & paces, including a lower-load option when needed APPLE WATCH WORKOUTS - 5 running screens - 35+ configurable metrics - Build and run structured workouts with pace or heart rate targets & haptic alerts - Complications: steps, Training Load Ratio, weekly mileage, training distribution & Today's Run TRAINING PACES BUILT FROM YOUR RUNS - 7 paces from your last 60 days, with heart rate ranges, RPE & race-effort equivalents - Race estimates - Race calculator - Automatic or custom heart rate zones TRAINING DISTRIBUTION & VOLUME - Easy vs hard split, time in zone and load focus using LT1 and LT2 estimates - Weekly mileage, run goals and streaks RUN ANALYSIS: - Pace, heart rate, power, cadence, running dynamics, splits, segments & elevation - Automatic run categorization: easy, tempo, intervals, long run and more - Automatic personal best tracking: 5K, 10K, half, marathon & longest run INTEGRATIONS & MORE TOOLS - Strava: automatic run import and export, plus historical syncing - Shoe tracking - Share run stats: route, HR and pace - Home & lock-screen widgets - Yearly summaries ACCESS, SUBSCRIPTION & PURCHASE INFORMATION Pace It offers free and Pro features. The free version includes selected features but not the Apple Watch app. To access Pace It Pro you can choose between: - Lifetime Access: one-time purchase - Subscriptions: Monthly or Yearly plans Subscription plans include a 1-week free trial. Pro access includes the full Pace It experience, including pace trends, Training Load Ratio tracking, personalized training paces and the Apple Watch app. PAYMENT & RENEWALS - If you start a free trial, you will not be charged until the trial period ends. Unless cancelled at least 24 hours before the trial ends, your subscription will automatically renew at the selected price. - Payment is charged to your Apple ID at confirmation of purchase. - Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. - Your account will be charged for renewal within 24 hours before the period ends. - Manage or cancel your subscription at any time in your App Store account settings. PRIVACY Apple Health data is analyzed on your device. If you connect Strava, activities shared through Strava are stored on our servers for syncing, including workouts you export from Pace It. Pace It is not a medical device. It provides training insights for informational purposes only. TERMS & PRIVACY Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Additional Terms (Pace It Terms of Use): https://paceit.app/terms-of-service Privacy Policy: https://paceit.app/privacy-policy Consumer Health Data Privacy Policy: https://paceit.app/consumer-health-data-privacy

About

1SecondLap

Features
Read full description

One app for your whole workout — and your data never leaves your phone. 1SecondLap combines a GPS run tracker, interval workout timer, Bluetooth gym-machine console and reflex trainer in one free app. No account, no ads, no subscription. RUN OUTDOORS • Distance, pace and route with automatic per-km splits announced out loud • Ghost runs: race your best previous run on the same route and hear how far ahead or behind you are • Spoken pace coach — pick a target pace and get "speed up / slow down" cues • Distance goals with voice announcements, route maps and GPX export • Keeps tracking with the screen locked; Live Activity on the lock screen INTERVAL WORKOUTS • Reps, work and rest with voice countdowns — Tabata, HIIT, EMOM, boxing templates plus your own presets • ERG mode: with a compatible smart trainer, the app sets the trainer's resistance for every work and rest interval automatically GYM MACHINES • Connect Bluetooth bikes, treadmills, rowers and cross-trainers (FTMS/CSC) • Live cadence, power, speed, stroke rate and heart rate from a strap • Heart-rate zones with spoken zone cues and per-session time-in-zone PROGRESS • Activity heatmap, weekly volume and training load from your heart-rate data • Pace, power and reaction-time trends with personal records and streaks • Brain + body: see how your reaction time changes right after exercise • Workouts save to Apple Health APPLE WATCH • Stopwatch, timer and interval workouts on your wrist PRIVACY • Everything is stored on your device. No sign-up, no tracking, no analytics.

Screenshots

Pace It4 screens
1SecondLap4 screens

Verdict

The call

The clearest difference is in-app purchases: 1SecondLap at none against Pace It's 3. 1SecondLap also leads on update cadence (daily vs every 2 weeks) and iOS requirement (15.0 vs 18.0). 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. Pace It sells 3 in-app purchases, starting at $4.99 per month. 1SecondLap asks for nothing beyond the download.

UpkeepUpdate frequency

Pace It ships an update every 2 weeks, 1SecondLap daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Pace It versus 1SecondLap: the parameters behind the verdict, then further details
ParameterPace It1SecondLap
PriceFreeFree
Rating4.0 (4 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPod, Apple Watch
Requires iOS18.015.0 — better
Further details — not scored
Size24 MB9 MB
Age rating4+4+
DeveloperDionysis KastellanisDOCUEX LIMITED

In-app purchases

3 purchases

Pace It

Subscriptions2
  • Pace It Access (Monthly)7 Days trial$4.991 Month
  • Pace It Access (Yearly)7 Days trial$39.991 Year
One-time1
  • Lifetime$89.99
None

1SecondLap

No in-app purchases

Questions

Is Pace It free?
Pace It is free to download, with in-app purchases available.
Is 1SecondLap free?
1SecondLap is free to download, with no in-app purchases.
Do Pace It or 1SecondLap have ads?
Neither Pace It nor 1SecondLap shows ads.
Which is updated more often, Pace It or 1SecondLap?
Pace It ships an update every 2 weeks, and 1SecondLap daily. Most recently, Pace It was updated on October 30, 2026 and 1SecondLap on October 31, 2026.

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