# DoFit GPS vs SPINPower® Crank Connect

The clearest difference is review sentiment: SPINPower® Crank Connect at 57% against DoFit GPS's 33%. DoFit GPS's advantage is iOS requirement (8.0 vs 17.6). 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.

DoFit GPS ships an update every 2 months, SPINPower® Crank Connect every 3 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DoFit GPS | SPINPower® Crank Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (12 ratings)](https://appshunter.io/ios/app/spinpower-crank-connect/id1440511385/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | 33.3% of reviews | **57.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 91 MB | 10 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [李缘 伍](https://appshunter.io/developer/986252371) | [Mad Dogg Athletics, Inc.](https://appshunter.io/developer/597896675) |

## What reviewers say

### DoFit GPS

[App page](https://appshunter.io/ios/app/dofit-gps/id1369648788)

This app helps you track daily activity, including steps, calories, distance, and active time. It also monitors sleep patterns, heart rate, and provides notification reminders. Compete with friends on leaderboards and earn badges to make fitness more engaging.

**Highlights:** Step and calorie counting, Sleep analysis, Heart rate monitoring, Notification reminders, Leaderboard competition, Achievement badges

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DoFit GPS free?

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

### Is SPINPower® Crank Connect free?

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

### Do DoFit GPS or SPINPower® Crank Connect have ads?

Neither DoFit GPS nor SPINPower® Crank Connect shows ads.

### Which is updated more often, DoFit GPS or SPINPower® Crank Connect?

DoFit GPS ships an update every 2 months, and SPINPower® Crank Connect every 3 months. Most recently, DoFit GPS was updated on November 2, 2026 and SPINPower® Crank Connect on November 6, 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.*