# CrankSense vs Spindle Dynamics Studio

The clearest difference is update cadence: Spindle Dynamics Studio at every 2 months against CrankSense's every 6 months. CrankSense's advantage is iOS requirement (9.0 vs 13.0). 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.

CrankSense ships an update every 6 months, Spindle Dynamics Studio every 2 months. The most recent releases landed on September 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CrankSense | Spindle Dynamics Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 20 MB | 107 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Sens-OS](https://appshunter.io/developer/1533837951) |

## What reviewers say

### CrankSense

[App page](https://appshunter.io/ios/app/cranksense/id1009483905)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spindle Dynamics Studio

[App page](https://appshunter.io/ios/app/spindle-dynamics-studio/id1661428624)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CrankSense free?

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

### Is Spindle Dynamics Studio free?

Spindle Dynamics Studio is free to download, with no in-app purchases.

### Do CrankSense or Spindle Dynamics Studio have ads?

Neither CrankSense nor Spindle Dynamics Studio shows ads.

### Which is updated more often, CrankSense or Spindle Dynamics Studio?

CrankSense ships an update every 6 months, and Spindle Dynamics Studio every 2 months. Most recently, CrankSense was updated on September 5, 2026 and Spindle Dynamics Studio on September 17, 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.*