# KOR (Keep On Rolling) vs TrainerFriend Client

The clearest difference is rating: KOR (Keep On Rolling) at 5.0 against TrainerFriend Client's 3.7. TrainerFriend Client's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

KOR (Keep On Rolling) holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

KOR (Keep On Rolling) ships an update monthly, TrainerFriend Client every 6 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KOR (Keep On Rolling) | TrainerFriend Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kor-keep-on-rolling/id1599601993/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/trainerfriend-client/id1614640437/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 87 MB | 26 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mason Tuft](https://appshunter.io/developer/1599601995) | [9426-1641 Quebec Inc](https://appshunter.io/developer/1608228472) |

## What reviewers say

### KOR (Keep On Rolling)

[App page](https://appshunter.io/ios/app/kor-keep-on-rolling/id1599601993)

This app uses complex algorithms to calculate wear and tear on your bicycle based on logged mileage from Strava. It's available for free to users who patronize participating shops.

**Highlights:** Bike wear and tear calculation, Strava integration, Mileage logging, Free for users of participating shops

**Features:** macOS Compatibility

**In-app purchases:** none


### TrainerFriend Client

[App page](https://appshunter.io/ios/app/trainerfriend-client/id1614640437)

This app allows users to receive and follow personalized workout and nutrition plans from their coach. It provides detailed exercise instructions and macro information, enabling users to track their progress and provide feedback.

**Highlights:** Receive workout plans from coach, Detailed exercise instructions, Receive nutrition and macro plans, View portion and nutrition details, Track progress and provide feedback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOR (Keep On Rolling) free?

KOR (Keep On Rolling) is free to download, with no in-app purchases.

### Is TrainerFriend Client free?

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

### Which has better reviews, KOR (Keep On Rolling) or TrainerFriend Client?

KOR (Keep On Rolling) is rated higher. KOR (Keep On Rolling) averages 5.0 out of 5 from 2 ratings, while TrainerFriend Client averages 3.7 from 3 ratings.

### Do KOR (Keep On Rolling) or TrainerFriend Client have ads?

Neither KOR (Keep On Rolling) nor TrainerFriend Client shows ads.

### Which is updated more often, KOR (Keep On Rolling) or TrainerFriend Client?

KOR (Keep On Rolling) ships an update monthly, and TrainerFriend Client every 6 weeks. Most recently, KOR (Keep On Rolling) was updated on October 4, 2026 and TrainerFriend Client on October 1, 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.*