# SPDO — It's a speedometer

> Analog bicycle speedometer with a classic gauge design, free and open source. (iPhone/iPad app by Blake Barrett.)

- Source: https://appshunter.io/ios/app/spdo/id1587277823 (this page in markdown: same URL + `.md`)
- Developer: [Blake Barrett](https://appshunter.io/developer/817200062)
- Category: Utilities, Health & Fitness
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 24 MB
- Languages: American English
- Released: 2021-09-28
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/spdo/id1587277823/reviews.md

## What is SPDO?

I needed a speedometer for my bicycle. I liked the look of classic analog needle gauges, so I wrote my own. 
Free, no ads, no upsell, no monetization, open source. Enjoy.

## Key features

- Analog speedometer display
- Classic gauge design
- Free to use
- No ads
- Open source


## Frequently asked questions about SPDO

### What is SPDO?

SPDO is a free, open-source application that functions as a speedometer for bicycles. It features a classic analog needle gauge design for displaying your speed.

### Is SPDO free to use?

Yes, SPDO is completely free to use. The developer has stated there are no ads, no upsells, and no monetization models implemented in the app.

### Does SPDO have ads?

No, SPDO does not contain any advertisements. It is designed to be a clean and distraction-free experience for users.

### What devices does SPDO support?

SPDO is available for iOS devices, including iPhone, iPad, and iPod. It was released on September 28, 2021.

### How often is SPDO updated?

SPDO was last updated on September 28, 2021, with version 1.0. As an open-source project, updates may depend on community contributions or developer initiative.

### What is the age rating for SPDO?

SPDO has an age rating of 4+, making it suitable for a wide range of users. The app focuses on a simple utility function.

### Can I track my cycling routes with SPDO?

SPDO primarily functions as a speedometer to display your current speed. The description does not mention features for tracking cycling routes or historical data.

### Where can I find the source code for SPDO?

As SPDO is an open-source application, its source code is available for review and contribution. You can typically find this information through the developer's channels or open-source repositories.

## Version history (last 1 release)

### 1.0 — 2021-09-28

No release notes.

## More apps by Blake Barrett

- [mrgr](https://appshunter.io/ios/app/mrgr/id1124573987)
- [snse](https://appshunter.io/ios/app/snse/id1442747058)
- [SQCH](https://appshunter.io/ios/app/sqch/id1553418786)

All apps by Blake Barrett: https://appshunter.io/developer/817200062

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*