# UNDERCARD vs Soultrain 2.0

UNDERCARD and Soultrain 2.0 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

UNDERCARD ships an update fortnightly, Soultrain 2.0 every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | UNDERCARD | Soultrain 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/soultrain-20/id6737646430/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 194 MB | 38 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UNDERCARD BOXING](https://appshunter.io/developer/1545529235) | [Leaps & Bounds Fitness Group PTY LTD](https://appshunter.io/developer/1565358551) |

## What reviewers say

### UNDERCARD

[App page](https://appshunter.io/ios/app/undercard/id1604596271)

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

**In-app purchases:** none


### Soultrain 2.0

[App page](https://appshunter.io/ios/app/soultrain-20/id6737646430)

Easily browse and purchase class packs or memberships. View and filter the class schedule to find the perfect fit for your routine. Manage your reservations and stay organized with your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse and filter class schedule, Manage class reservations, Stay organized with fitness goals

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

**In-app purchases:** none


## Frequently asked questions

### Is UNDERCARD free?

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

### Is Soultrain 2.0 free?

Soultrain 2.0 is free to download, with no in-app purchases.

### Do UNDERCARD or Soultrain 2.0 have ads?

Neither UNDERCARD nor Soultrain 2.0 shows ads.

### Which is updated more often, UNDERCARD or Soultrain 2.0?

UNDERCARD ships an update fortnightly, and Soultrain 2.0 every 3 weeks. Most recently, UNDERCARD was updated on October 16, 2026 and Soultrain 2.0 on October 7, 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.*