# ROTOR Power vs DATEV Challenge Roth

The clearest difference is review sentiment: DATEV Challenge Roth at 100% against ROTOR Power's 9%. ROTOR Power's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ROTOR Power ships an update every 5 months, DATEV Challenge Roth every 6 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ROTOR Power | DATEV Challenge Roth |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 31 MB | 25 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ROTOR Bike Components](https://appshunter.io/developer/1210670819) | [Mika timing](https://appshunter.io/developer/619950685) |

## What reviewers say

### ROTOR Power

[App page](https://appshunter.io/ios/app/rotor-power/id1216141058)

This app helps cyclists optimize their performance by updating power meter firmware, checking device battery, and analyzing pedaling biomechanics. It provides real-time training data, workout history, and syncs with popular third-party fitness platforms.

**Highlights:** Firmware updates, Device battery check, Pedaling biomechanics analysis (TORQUE 360, OCA, OCP), Real-time power and cadence metrics, Workout history and .fit export, Bluetooth connectivity, Third-party app syncing (Strava, Training Peaks)

**Features:** macOS Compatibility

**In-app purchases:** none


### DATEV Challenge Roth

[App page](https://appshunter.io/ios/app/datev-challenge-roth/id6746288510)

Follow athletes in real-time during a major triathlon event. Get live results, track progress, and receive event updates throughout the year. Connect with the race as a participant, supporter, or volunteer.

**Highlights:** Real-time athlete live-tracking, Leaderboard with intermediate times, Event and course information, Push notifications for updates, Personal participant login, In-app selfie frame

**In-app purchases:** none


## Frequently asked questions

### Is ROTOR Power free?

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

### Is DATEV Challenge Roth free?

DATEV Challenge Roth is free to download, with no in-app purchases.

### Do ROTOR Power or DATEV Challenge Roth have ads?

Neither ROTOR Power nor DATEV Challenge Roth shows ads.

### Which is updated more often, ROTOR Power or DATEV Challenge Roth?

ROTOR Power ships an update every 5 months, and DATEV Challenge Roth every 6 months. Most recently, ROTOR Power was updated on November 2, 2026 and DATEV Challenge Roth on October 31, 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.*