# SPINPower® Crank Connect vs Fit Pro Programming

The clearest difference is update cadence: SPINPower® Crank Connect at every 3 months against Fit Pro Programming's every 8 months. 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.

SPINPower® Crank Connect ships an update every 3 months, Fit Pro Programming every 8 months. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SPINPower® Crank Connect | Fit Pro Programming |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (12 ratings)](https://appshunter.io/ios/app/spinpower-crank-connect/id1440511385/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 10 MB | 121 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Mad Dogg Athletics, Inc.](https://appshunter.io/developer/597896675) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### SPINPower® Crank Connect

[App page](https://appshunter.io/ios/app/spinpower-crank-connect/id1440511385)

This application connects to a specific type of fitness crank to calibrate it, update its firmware, and manage its settings. It displays essential information like serial number, battery level, and ANT+ ID for each connected device.

**Highlights:** Crank calibration, Firmware updates, Device naming, Serial number display, Battery level monitoring, ANT+ ID display

**Features:** macOS Compatibility

**In-app purchases:** none


### Fit Pro Programming

[App page](https://appshunter.io/ios/app/fit-pro-programming/id6477867494)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPINPower® Crank Connect free?

SPINPower® Crank Connect is free to download, with no in-app purchases.

### Is Fit Pro Programming free?

Fit Pro Programming is free to download, with no in-app purchases.

### Do SPINPower® Crank Connect or Fit Pro Programming have ads?

Neither SPINPower® Crank Connect nor Fit Pro Programming shows ads.

### Which is updated more often, SPINPower® Crank Connect or Fit Pro Programming?

SPINPower® Crank Connect ships an update every 3 months, and Fit Pro Programming every 8 months. Most recently, SPINPower® Crank Connect was updated on September 24, 2026 and Fit Pro Programming on September 29, 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.*