# Amplify Members vs ONETrident

The clearest difference is in-app purchases: ONETrident at none against Amplify Members's 4. ONETrident also leads on iOS requirement (14.0 vs 26.0). Amplify Members's advantage is ads (none vs shown) and update cadence (every 6 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Amplify Members sells 4 in-app purchases, starting at $3.99 per month. ONETrident asks for nothing beyond the download.

Amplify Members ships an update every 6 days, ONETrident every 5 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Amplify Members | ONETrident |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onetrident/id6743208592/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 72 MB | 123 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Chris Free Consulting LLC](https://appshunter.io/developer/1737278055) | [Trident Elite Athletics, LLC](https://appshunter.io/developer/1570615457) |

## What reviewers say

### Amplify Members

[App page](https://appshunter.io/ios/app/amplify-members/id6526468502)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amp Pro Monthly | $3.99 | per month |
| Pro Monthly | $4.99 | per month |
| Amp Pro Annual | $34.99 | per year |
| Pro Annual | $49.99 | per year |


### ONETrident

[App page](https://appshunter.io/ios/app/onetrident/id6743208592)

Plan and schedule fitness classes directly from your device. View class schedules, sign up for sessions, and find studio locations. Optimize your time and maximize convenience for class bookings.

**Highlights:** View class schedules, Sign up for classes, View studio location, Schedule classes, Optimize time

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Amplify Members free?

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

### Is ONETrident free?

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

### Do Amplify Members or ONETrident have ads?

ONETrident shows ads; Amplify Members does not.

### Which is updated more often, Amplify Members or ONETrident?

Amplify Members ships an update every 6 days, and ONETrident every 5 months. Most recently, Amplify Members was updated on October 4, 2026 and ONETrident on October 11, 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.*