Comparison

VDOT Running Calculator vs On Pace For

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

Head to head
About

VDOT Running Calculator

This app helps runners and coaches calculate training paces, equate race performances, and adjust for environmental factors. Based on decades of scientific research, it provides a VDOT score to measure running ability and compare performances across different distances.

Highlights
  • Calculate time, distance, and race paces
  • Determine current training paces
  • Equate race performances across distances
  • Adjust paces for heat and altitude
  • Measure running ability with VDOT score
Features
Read full description

The official VDOT Running Calculator, designed by Dr. Jack Daniels - named World's Best Running Coach by Runner's World Magazine - and the team at VDOT O2. Thanks to over 50 years of scientific research conducted by legendary coach Dr. Jack Daniels, runners and coaches can quickly determine appropriate training paces, equate race performances and adjust for heat and altitude. Features: • Calculate time, distance and race paces • Calculate your current training paces • Calculate and compare the equivalent performances of a race result at other distances • Calculate the effect of temperature or altitude on training and race paces What's Your VDOT? VDOT is a measure of your current running ability. It assigns a score to all running performances, let's you determine your current training paces, and equates a race time in one distance to another. For instance, you can compare your VDOT score from a recent 5k result to a friend's score who just ran a half marathon. Who won? What VDOT Level Have You Reached? Input a race result or estimated performance and learn what score it reaches on the VDOT scale. Enter all your past performances to see which race result scores the highest. There are 10 levels starting at Beginner - White (Female: 34.3, Male: 36.8) all the way up to Professional - Gold (Female: 71, Male: 80).

About

On Pace For

Automatically track workouts and forecast your fitness progress in real-time. Stay motivated with live dashboards and smart predictions for daily, weekly, monthly, and yearly goals. Seamlessly syncs with Apple Health for comprehensive data.

Highlights
  • Automatic workout detection
  • Seamless HealthKit sync
  • Live progress dashboard
  • Smart forecasting
  • Real-time insights
  • Goal tracking
Features
Read full description

On Pace For helps you stay motivated by automatically tracking your workouts and forecasting your progress—so you always know whether you’re on track to hit today’s, this week’s, this month’s, and this year’s fitness goals. Every move counts • Automatic Workout Detection Runs, walks, rides, swims, HIIT and strength sessions are recognized without tapping a button. • Seamless HealthKit Sync Pull in heart rate, calories burned, steps, distance and more from Apple Health. Real-time insights & forecasts • Live Progress Dashboard Watch your daily and weekly totals update in real time—perfect for pacing yourself mid‐workout or throughout the day. • Smart Forecasting Based on your pace, consistency, and historical data, get reliable estimates of your totals for today, this week, this month, and the year. Why On Pace For? Life can be unpredictable. Whether you’re training for a race, building consistency, or simply aiming to move more, On Pace For gives you clarity and confidence—every step, rep, and ride of the way. Ready to see how far you can go? Download On Pace For today and start turning every workout into a clear path toward your fitness goals. Continuous improvement has never been easier—or more motivating. Terms of Use: https://timhibbard.github.io/on-pace-for-website/terms.html

Screenshots

VDOT Running Calculator4 screens
On Pace For4 screens

Verdict

The call

The clearest difference is ads: VDOT Running Calculator at none against On Pace For's shown. VDOT Running Calculator also leads on ratings volume (1.6K vs 2) and iOS requirement (15.0 vs 26.5). On Pace For's advantage is update cadence (every 2 weeks vs every 4 months). On price, rating, in-app purchases and monetization model 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. VDOT Running Calculator sells 1 one-off in-app purchase and On Pace For sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for VDOT Running Calculator against 5.0 for On Pace For. That said, the two scores are not equally well evidenced: VDOT Running Calculator has 1.6K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

VDOT Running Calculator ships an update every 4 months, On Pace For every 2 weeks. The most recent releases landed on October 29, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
VDOT Running Calculator versus On Pace For: the parameters behind the verdict, then further details
ParameterVDOT Running CalculatorOn Pace For
PriceFreeFree
Rating4.9 (1.6K ratings)5.0 (2 ratings) — better
Positive reviews73.8% of reviews—
Number of ratings1.6K — better2
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better26.5
Further details — not scored
Size38 MB13 MB
Age rating4+4+
DeveloperThe Run SMART Project, LLCTim Hibbard

Customer experience

VDOT Running Calculator

All ratings1,581 ratings
Positive97.6%
Neutral0.9%
Negative1.5%
Written reviews65 reviews
Positive73.8%
Neutral7.7%
Negative18.5%

On Pace For

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

VDOT Running Calculator

Reported bugs

3 issues
  • Crashes when upgrading to premium
  • Can't scroll beyond 200/400m results
  • Custom distance doesn't support metric

Requested features

4 requests
  • Expand time field to support ultras
  • Add 6k and 8k distances
  • Allow inputting VDOT score directly
  • Allow typing in times instead of scrolling

On Pace For

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

VDOT Running Calculator

One-time1
  • VDOT Calculator Premium2 variants$8.99
2 purchases

On Pace For

Subscriptions2
  • On Pace Pro Monthly$0.991 Month
  • On Pace Pro Yearly$9.991 Year

Questions

Is VDOT Running Calculator free?
VDOT Running Calculator is free to download, with in-app purchases available.
Is On Pace For free?
On Pace For is free to download, with in-app purchases available.
Which has better reviews, VDOT Running Calculator or On Pace For?
On Pace For is rated higher. VDOT Running Calculator averages 4.9 out of 5 from 1.6K ratings, while On Pace For averages 5.0 from 2 ratings.
Do VDOT Running Calculator or On Pace For have ads?
On Pace For shows ads; VDOT Running Calculator does not.
Which is updated more often, VDOT Running Calculator or On Pace For?
VDOT Running Calculator ships an update every 4 months, and On Pace For every 2 weeks. Most recently, VDOT Running Calculator was updated on October 29, 2026 and On Pace For on October 9, 2026.

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