PAIRFS ZoneX vs IM Tri Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
IM Tri Tracker
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Published full and half-distance triathlon results, ranked by split and kept in one place. Search the name you registered with. IM Tri Tracker finds supported published results and shows swim, T1, bike, T2 and run splits, bib numbers, division places and overall ranks. SPLIT RANKINGS Rank each leg by swim, bike, run, transitions or finish time. Full-distance and half-distance races stay in separate rankings. WHERE YOU LANDED See each split against the finishers from that event, with field size and percentile beside the rank. RACE BOOK Personal bests and progression are free. Race Book adds like-for-like comparisons and unlimited PDF or image exports with one lifetime purchase. There is no subscription or per-export charge. RACE NOTES Keep conditions, nutrition and gear attached to the result that produced them. TIPS FROM PATTIE Browse filmed race-day pointers and Ask Pattie for a path to the right clip. FREE CORE Search, claim your supported history and keep full splits, rankings, percentiles, field context, race notes, personal bests, progression and the full tips library. Your results are never hidden behind a purchase. Privacy Policy: https://jackwallner.github.io/ironman/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 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.
Screenshots
Verdict
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). 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
Both are free to download. IM Tri Tracker sells 1 one-off in-app purchase. PAIRFS ZoneX asks for nothing beyond the download.
PAIRFS ZoneX ships an update every 3 weeks, IM Tri Tracker every 11 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | PAIRFS ZoneX | IM Tri Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | PAIRFS | Jack Wallner |
In-app purchases
PAIRFS ZoneX
No in-app purchases
IM Tri Tracker
- Race Book$9.99









