# A | Train vs Nine Under

The clearest difference is iOS requirement: A | Train at 13.0 against Nine Under's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

A | Train ships an update every 26 months, Nine Under every 13 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | A | Train | Nine Under |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/a-train/id6451450951/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 13 months** |
| Monetization | Free | — |
| Size | 57 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A Train Fitness Coaching LLC](https://appshunter.io/developer/1698360259) | [Joseph Terrill](https://appshunter.io/developer/1822564454) |

## What reviewers say

### A | Train

[App page](https://appshunter.io/ios/app/a-train/id6451450951)

Log your fitness coaching workouts and nutrition plans from anywhere. Purchase programs, view logged activities, monitor meal plans, and book appointments. Track your progress to maximize your coaching experience.

**Highlights:** Log workouts, Monitor nutrition plans, Purchase workout programs, View logged activities, Book appointments, Track progress

**Features:** macOS Compatibility

**In-app purchases:** none


### Nine Under

[App page](https://appshunter.io/ios/app/nine-under-golf-performance/id6747715753)

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

**In-app purchases:** none


## Frequently asked questions

### Is A | Train free?

A | Train is free to download, with no in-app purchases.

### Is Nine Under free?

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

### Do A | Train or Nine Under have ads?

Neither A | Train nor Nine Under shows ads.

### Which is updated more often, A | Train or Nine Under?

A | Train ships an update every 26 months, and Nine Under every 13 months. Most recently, A | Train was updated on October 3, 2026 and Nine Under on October 2, 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.*