# Athlink vs Duoplex

The clearest difference is in-app purchases: Athlink at none against Duoplex's 5. Athlink also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Duoplex sells 5 in-app purchases, starting at $1.99 per month. Athlink asks for nothing beyond the download.

Athlink ships an update every 2 weeks, Duoplex weekly. The most recent releases landed on September 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Athlink | Duoplex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/athlink/id6760527307/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 114 MB | 25 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [ATHLINK LLC](https://appshunter.io/developer/1884814465) | [FS Blocks](https://appshunter.io/developer/1777848824) |

## What reviewers say

### Athlink

[App page](https://appshunter.io/ios/app/athlink/id6760527307)

Connect with expert coaches for personalized sports training and advice. Browse instructor profiles, submit requests, and manage your training sessions all within one platform. Improve your skills or grow your coaching business.

**Highlights:** 1-on-1 personalized coaching, Expert instructor profiles, Coaching request submission, Direct chat with instructors, Training management, Skill improvement, Coaching business growth

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Duoplex

[App page](https://appshunter.io/ios/app/duoplex/id6770172804)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 GB Storage | $1.99 | per month |
| 100 GB of storage | $2.99 | per month |
| 150 GB of storage | $3.99 | per month |
| 200 GB of storage | $4.99 | per month |
| 500 GB of storage | $10.99 | per month |


## Frequently asked questions

### Is Athlink free?

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

### Is Duoplex free?

Duoplex is free to download, with in-app purchases available.

### Do Athlink or Duoplex have ads?

Neither Athlink nor Duoplex shows ads.

### Which is updated more often, Athlink or Duoplex?

Athlink ships an update every 2 weeks, and Duoplex weekly. Most recently, Athlink was updated on September 28, 2026 and Duoplex on October 25, 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.*