Comparison

Pace Lab vs 아스트레일

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

Head to head
About

Pace Lab

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Pace Lab is a running calculator built for runners who want clear numbers without the clutter. ■ Key Features - Pace calculator Calculate pace and speed from any distance and time. - Race pace calculator Set your goal time and get your target pace — then view full race splits with real clock times across the course. - Pace–speed converter Switch instantly between pace (min/mi or min/km) and speed (mph or km/h). - 400m lap calculator Convert between lap times and equivalent running pace for track sessions. - Training pace calculator Enter your goal time and get recommended paces for easy runs, long runs, marathon pace, threshold runs, and interval workouts. - Heart rate zone calculator Calculate your 5 training zones using Max HR, Resting HR, or Lactate Threshold (LTHR). - Race time predictor Predict finish times across distances using recent race results or VDOT-based estimates. - Energy gel calculator Get a personalized gel count and timing plan based on your race distance and goal pace. No sign-up required — just the tools runners need for smarter training and race planning.

About

아스트레일

Features
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Your route becomes a constellation in the night sky. Astrail records your walks, runs, and hikes and turns your GPS route into a beautiful constellation. With a different night sky and animal constellation every day, you'll look forward to "what will today's constellation be?" Features - Accurate tracking: distance, pace, time, elevation, cadence, keeps going with the screen off - Constellation Book: discover and collect animal constellations from your route's shape - Audio coach: target-cadence metronome and voice cues along the way - Photo share cards: put your stats and constellation over your own photo - Monthly Recap: your month of distance and constellations in one card - Accurate steps: Health Connect (Android) and Apple Health (iPhone) sync, including your watch - Run together: crews, rankings, neighborhood competition, chat - Challenges: complete goals to collect raffle tickets Home privacy Shared routes automatically hide the area around your start and finish to protect your home location. Start connecting your stars with Astrail today.

Screenshots

Pace Lab4 screens
아스트레일4 screens

Verdict

The call

The clearest difference is in-app purchases: Pace Lab at none against 아스트레일's 10. On price, update cadence, 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. 아스트레일 sells 10 one-off in-app purchases. Pace Lab asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 5 level
Pace Lab versus 아스트레일: the parameters behind the verdict, then further details
ParameterPace Lab아스트레일
PriceFreeFree
Update frequencyWeeklyWeekly
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size31 MB60 MB
Age rating4+12+
DeveloperPyoungoh YunSEUNGJAE KIM

In-app purchases

None

Pace Lab

No in-app purchases

10 purchases

아스트레일

One-time10
  • 오픈권 1장$0.49
  • 홀로그램 액자$0.49
  • 은하수 밤하늘$0.49
Show 7 more
  • 우주의 전설 칭호$0.49
  • 오로라 액자$0.99
  • 무지개 오라$0.99
  • 오픈권 6장$2.99
  • 코인 5,500$2.99
  • 코인 12000$6.99
  • 오픈권 15장$6.99

Questions

Is Pace Lab free?
Pace Lab is free to download, with no in-app purchases.
Is 아스트레일 free?
아스트레일 is free to download, with in-app purchases available.
Do Pace Lab or 아스트레일 have ads?
Both Pace Lab and 아스트레일 show ads.
Which is updated more often, Pace Lab or 아스트레일?
Pace Lab ships an update weekly, and 아스트레일 weekly. Most recently, Pace Lab was updated on October 31, 2026 and 아스트레일 on November 5, 2026.

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