# IRONMAN Tracker vs XOSS

The clearest difference is review sentiment: IRONMAN Tracker at 96% against XOSS's 52%. IRONMAN Tracker also leads on rating (4.9 vs 4.4) and ratings volume (8.4K vs 398). XOSS's advantage is update cadence (every 6 weeks vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IRONMAN Tracker holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: IRONMAN Tracker has 8.4K ratings behind it against 398, so its average is the more settled of the two. Written reviews point the same way: 96% of IRONMAN Tracker's written reviews are positive against 52% of XOSS's.

IRONMAN Tracker ships an update every 6 months, XOSS every 6 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IRONMAN Tracker | XOSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8.4K ratings)](https://appshunter.io/ios/app/ironman-tracker/id1183983404/reviews)** | [4.4 (398 ratings)](https://appshunter.io/ios/app/xoss-train-with-science/id1267749721/reviews) |
| Number of ratings | **8.4K** | 398 |
| Positive reviews | **96.4% of reviews** | 52.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 110 MB |
| Requires iOS | **11.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dilltree Inc](https://appshunter.io/developer/799017229) | [XOSS HONG KONG CO., LIMITED](https://appshunter.io/developer/1530144728) |

## What reviewers say

### IRONMAN Tracker

[App page](https://appshunter.io/ios/app/ironman-tracker/id1183983404)

Follow your favorite athletes in real-time during select IRONMAN and IRONMAN 70.3 events. Spectators can view live results, track progress on course maps, and receive important event updates.

**Highlights:** Real-time athlete tracking, Live course maps, Track multiple athletes, Push notifications for progress, Event information and updates, Social media sharing

**In-app purchases:** none

**What reviewers like**

- 👍 Ease of use
- 🚀 Real-time tracking
- 💡 Detailed stats and notifications
- 🚀 Accurate updates
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Occasional freezing or crashing
- 🔋 High battery consumption
- 🗺️ Inaccurate map positioning
- 🕰️ Time delays in updates

**Reported bugs**

- Inconsistencies in leaderboard display
- Difficulty disabling event notifications

**Requested features**

- Add option to view individual event distances (swim, bike, run) separately
- Improve map functionality to show street names and course layout
- Implement a 'you are here' indicator on the map
- Add live video feed of finish line
- Allow users to post encouragement to athletes during the race


### XOSS

[App page](https://appshunter.io/ios/app/xoss-train-with-science/id1267749721)

Record and analyze your outdoor sports activities with detailed metrics like speed, cadence, and heart rate. Plan routes, sync data from various bike computers, and share your progress with friends. Offers advanced data analysis with charts and GPS tracking.

**Highlights:** Syncs with bike computers, Records workout data, Advanced data analysis, GPS tracking on map, Route planning, Syncs with Strava/TrainingPeaks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Clean and simple interface
- 🚀 Reliable data tracking
- 💡 Useful 3D route visualization
- 🤝 Seamless Strava integration
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Inconsistent GPS connectivity
- 🔄 Sync issues with Strava
- 🔍 Limited data analytics
- 🌐 Lack of language options (e.g. French, Russian)
- 🔋 Battery drain concerns

**Reported bugs**

- App crashes after recent updates
- Unable to update device firmware on iOS
- Sensor connectivity problems
- Incorrect distance/speed measurements

**Requested features**

- Add more detailed metrics (e.g. elevation, power)
- Improve route editing and privacy controls
- Introduce automatic sync options
- Provide more comprehensive data export capabilities


## Frequently asked questions

### Is IRONMAN Tracker free?

IRONMAN Tracker is free to download, with no in-app purchases.

### Is XOSS free?

XOSS is free to download, with no in-app purchases.

### Which has better reviews, IRONMAN Tracker or XOSS?

IRONMAN Tracker is rated higher. IRONMAN Tracker averages 4.9 out of 5 from 8.4K ratings, while XOSS averages 4.4 from 398 ratings.

### Do IRONMAN Tracker or XOSS have ads?

Neither IRONMAN Tracker nor XOSS shows ads.

### Which is updated more often, IRONMAN Tracker or XOSS?

IRONMAN Tracker ships an update every 6 months, and XOSS every 6 weeks. Most recently, IRONMAN Tracker was updated on November 4, 2026 and XOSS on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*