Comparison

PAIRFS ZoneX vs IM Tri Tracker

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

Head to head
About

PAIRFS ZoneX

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Application permettant de réaliser des tests outdoor pour mesurer vos seuils ventilatoires en course à pied ou vélo avec le dispositif ZoneX

About

IM Tri Tracker

Track and rank your triathlon race splits, including swim, bike, and run times, along with transitions and overall performance. Compare your results against other finishers and monitor your personal bests and progression over time. Access a comprehensive library of race-day tips and store race notes for each event.

Highlights
  • Track swim, T1, bike, T2, and run splits
  • Rank legs by time and compare to finishers
  • Monitor personal bests and progression
  • Store race notes and conditions
  • Access race-day tips library
  • View field size and percentile ranks
Features
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IM Tri Tracker finds your published full and half-distance triathlon results by name and ranks each swim, bike and run split against the field from that race. Results, splits, rankings and personal bests are free, with no account and no subscription. FIND YOUR RACES • Search the name you registered with to find your supported published results • Each result shows swim, T1, bike, T2, run and finish times, bib number, division place and overall rank • Your claimed races stay together in one Locker SPLIT RANKINGS • Rank your races by swim, bike, run, transitions or finish time • Full-distance and half-distance races are ranked separately • Each split shows its rank, the field size and your percentile in that race PERSONAL BESTS • Personal bests and progression across your races RACE NOTES • Notes on conditions, nutrition and gear, kept with the result they belong to EXPLORE • Look up another athlete's full and half-distance race history without changing your own Locker TIPS FROM PATTIE • A library of filmed race-day tips • Ask Pattie points you to the right clip for what you are working on PRIVACY • No account, no ads and no cross-app tracking • Your Locker, race notes and recently viewed athletes stay on your iPhone • Name searches go to the timing service that publishes the results FREE AND RACE BOOK Everything above is free and does not expire. Race Book is an optional one-time purchase with no subscription, and you can preview it before you buy. It adds: • Like-for-like comparisons between races • Unlimited PDF and image exports of your race history, with splits, career stats and optional notes IM Tri Tracker is independent. It is not affiliated with, endorsed by or sponsored by any race organizer or timing company. Results are shown as published by each event's timer. Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://jackwallner.com/ios/ironman/privacy-policy.html

Screenshots

PAIRFS ZoneX4 screens
IM Tri Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: PAIRFS ZoneX at none against IM Tri Tracker's 1. PAIRFS ZoneX also leads on iOS requirement (15.0 vs 17.0). IM Tri Tracker's advantage is update cadence (weekly vs every 3 weeks). 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. IM Tri Tracker sells 1 one-off in-app purchase. PAIRFS ZoneX asks for nothing beyond the download.

UpkeepUpdate frequency

PAIRFS ZoneX ships an update every 3 weeks, IM Tri Tracker weekly. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
PAIRFS ZoneX versus IM Tri Tracker: the parameters behind the verdict, then further details
ParameterPAIRFS ZoneXIM Tri Tracker
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size27 MB29 MB
Age rating4+4+
DeveloperPAIRFSJack Wallner

In-app purchases

None

PAIRFS ZoneX

No in-app purchases

1 purchases

IM Tri Tracker

One-time1
  • Race Book$9.99

Questions

Is PAIRFS ZoneX free?
PAIRFS ZoneX is free to download, with no in-app purchases.
Is IM Tri Tracker free?
IM Tri Tracker is free to download, with in-app purchases available.
Do PAIRFS ZoneX or IM Tri Tracker have ads?
Neither PAIRFS ZoneX nor IM Tri Tracker shows ads.
Which is updated more often, PAIRFS ZoneX or IM Tri Tracker?
PAIRFS ZoneX ships an update every 3 weeks, and IM Tri Tracker weekly. Most recently, PAIRFS ZoneX was updated on October 30, 2026 and IM Tri Tracker on November 6, 2026.

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