Comparison

VDOT Running Calculator vs UnSwept

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

UnSwept

Track your progress and stay ahead of race cutoffs during major marathons. This app provides countdowns to checkpoints, allowing you to mark segments as complete and manage your race strategy without needing an internet connection or sharing data.

Highlights
  • Race cutoff information
  • Segment countdowns
  • Mark segments complete
  • Restore segments
  • Customizable settings
  • Supports major marathons
Read full description

A simple standalone iPhone or Apple Watch app for World Major Marathon runners to let you know how much time you have before the next cutoff checkpoint (where you will be swept up by the bus and unable to finish the race). Features: - Race Cutoff information. - Segment countdowns. - Swipe to mark segments complete as you run. - Swipe to restore segments marked complete in error. - Settings for units, race, and time. - Now supports Tokyo and Sydney 2025. This app does not require any logins, data sharing, internet connectivity, or permissions and is built to be extremely easy on your watch battery.

Screenshots

VDOT Running Calculator4 screens
UnSwept2 screens

Verdict

The call

The clearest difference is in-app purchases: UnSwept at none against VDOT Running Calculator's 2. UnSwept also leads on update cadence (monthly vs every 4 months). VDOT Running Calculator's advantage is ratings volume (1.6K vs 2). On price, rating, 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. VDOT Running Calculator sells 1 one-off in-app purchase. UnSwept asks for nothing beyond the download.

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 UnSwept. 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, UnSwept monthly. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
VDOT Running Calculator versus UnSwept: the parameters behind the verdict, then further details
ParameterVDOT Running CalculatorUnSwept
PriceFreeFree
Rating4.9 (1.6K ratings)5.0 (2 ratings) — better
Positive reviews73.8% of reviews—
Number of ratings1.6K — better2
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better16.0
Further details — not scored
Size38 MB1 MB
Age rating4+4+
DeveloperThe Run SMART Project, LLCPatrick Culligan

Customer experience

VDOT Running Calculator

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

UnSwept

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

UnSwept

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
None

UnSwept

No in-app purchases

Questions

Is VDOT Running Calculator free?
VDOT Running Calculator is free to download, with in-app purchases available.
Is UnSwept free?
UnSwept is free to download, with no in-app purchases.
Which has better reviews, VDOT Running Calculator or UnSwept?
UnSwept is rated higher. VDOT Running Calculator averages 4.9 out of 5 from 1.6K ratings, while UnSwept averages 5.0 from 2 ratings.
Do VDOT Running Calculator or UnSwept have ads?
Neither VDOT Running Calculator nor UnSwept shows ads.
Which is updated more often, VDOT Running Calculator or UnSwept?
VDOT Running Calculator ships an update every 4 months, and UnSwept monthly. Most recently, VDOT Running Calculator was updated on November 11, 2026 and UnSwept on November 3, 2026.

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