# RIVER vs K2 Sport

The clearest difference is review sentiment: K2 Sport at 100% against RIVER's 0%. K2 Sport also leads on monetization model (free vs ad-supported). RIVER's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, in-app purchases and device support there is nothing between them.

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

RIVER ships an update every 9 days, K2 Sport every 6 weeks. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | RIVER | K2 Sport |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/river/id1583918031/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 89 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FITNES KIT, OOO](https://appshunter.io/developer/1059833988) | [GymSoft LLC](https://appshunter.io/developer/1538601321) |

## What reviewers say

### RIVER

[App page](https://appshunter.io/ios/app/river/id1583918031)

Access the latest schedules for adult and children's training sessions, receive important notifications, and book personal or group workouts. Manage your club card, explore club news, and connect instantly with administrators via chat for any inquiries or to participate in promotions.

**Highlights:** Training schedules, PUSH notifications, Workout booking, Club card management, Club news and offers, Direct chat with admin

**Features:** macOS Compatibility

**In-app purchases:** none


### K2 Sport

[App page](https://appshunter.io/ios/app/k2-sport/id6572293633)

Manage your fitness club membership, book classes, and communicate with trainers. Purchase additional services and receive important notifications. Use a QR code for club entry.

**Highlights:** Membership management, Workout booking, Trainer chat, Service purchases, Push notifications, QR code club access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RIVER free?

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

### Is K2 Sport free?

K2 Sport is free to download, with no in-app purchases.

### Do RIVER or K2 Sport have ads?

Neither RIVER nor K2 Sport shows ads.

### Which is updated more often, RIVER or K2 Sport?

RIVER ships an update every 9 days, and K2 Sport every 6 weeks. Most recently, RIVER was updated on October 13, 2026 and K2 Sport on October 18, 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.*