# Athyx vs FieldSync Pro

The clearest difference is review sentiment: FieldSync Pro at 100% against Athyx's 0%. FieldSync Pro also leads on rating (5.0 vs 2.3). Athyx's advantage is device support (4 vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

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

FieldSync Pro holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 0% of Athyx's written reviews are positive against 100% of FieldSync Pro's.

Athyx ships an update every 2 days, FieldSync Pro daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Athyx | FieldSync Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/athyx/id6760621883/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fieldsync-pro-track-and-field/id6812147578/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free | Free |
| Size | 21 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Athyx, Inc.](https://appshunter.io/developer/1885372082) | [FieldSync LLC](https://appshunter.io/developer/6812147580) |

## What reviewers say

### Athyx

[App page](https://appshunter.io/ios/app/athyx/id6760621883)

This app helps athletes estimate training intensity by capturing lactate data. It offers a simple interface to track key training insights and review past sessions. Educational content provides general information on training concepts and performance metrics.

**Highlights:** Lactate capture for training intensity estimation, Track key training insights, Simple interface for athletes, Review past session history, Educational content on training concepts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### FieldSync Pro

[App page](https://appshunter.io/ios/app/fieldsync-pro-track-and-field/id6812147578)

This app serves as a comprehensive training log for track and field athletes and coaches. It allows for detailed session logging, performance tracking, and team communication. Athletes can monitor their progress and receive assignments, while coaches can manage workouts, attendance, and team updates.

**Highlights:** Log detailed training sessions rep by rep, Track personal records by season (indoor/outdoor), Add videos and notes to jumps/throws, Integrate workouts from Apple Health, Manage team attendance and communication, Prescribe interval sessions with targets, View team analytics and progress

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

**In-app purchases:** none


## Frequently asked questions

### Is Athyx free?

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

### Is FieldSync Pro free?

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

### Which has better reviews, Athyx or FieldSync Pro?

FieldSync Pro is rated higher. Athyx averages 2.3 out of 5 from 3 ratings, while FieldSync Pro averages 5.0 from 2 ratings.

### Do Athyx or FieldSync Pro have ads?

Neither Athyx nor FieldSync Pro shows ads.

### Which is updated more often, Athyx or FieldSync Pro?

Athyx ships an update every 2 days, and FieldSync Pro daily. Most recently, Athyx was updated on November 5, 2026 and FieldSync Pro on October 31, 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.*