# Treadmill Smart Speed vs PBOX

The clearest difference is in-app purchases: PBOX at none against Treadmill Smart Speed's 1. PBOX also leads on iOS requirement (11.0 vs 17.0). Treadmill Smart Speed's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Treadmill Smart Speed sells 1 one-off in-app purchase. PBOX asks for nothing beyond the download.

Treadmill Smart Speed ships an update weekly, PBOX every 6 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Treadmill Smart Speed | PBOX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (24 ratings)](https://appshunter.io/ios/app/treadmill-smart-speed/id1193076459/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 53.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 27 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AppyAppster Ltd](https://appshunter.io/developer/1746049419) | [F.S.A. srl](https://appshunter.io/developer/610405987) |

## What reviewers say

### Treadmill Smart Speed

[App page](https://appshunter.io/ios/app/treadmill-smart-speed/id1193076459)

This app transforms your iPhone into a Bluetooth speed and incline sensor for treadmills. It broadcasts your running speed and incline, allowing fitness apps like Zwift to track your performance without additional hardware. An Apple Watch app can also stream heart rate and cadence data.

**Highlights:** Broadcasts speed and incline as Bluetooth sensor, Works with Zwift and other fitness apps, Apple Watch integration for heart rate and cadence, Customizable speed presets, Metric/Imperial unit selection, Background broadcasting, Standalone 'Just Run' mode with 3D park simulation

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock forever | $9.99 | one-time |

**What reviewers like**

- 👍 Works with Zwift
- 💰 Affordable alternative
- 🏃‍♀️ Enables Zwift running
- ✅ Solves treadmill speed issues
- 💡 Good for budget-conscious users

**What reviewers complain about**

- 🐛 Connection issues
- 🐛 Speed not detected
- 🐛 Laggy updates
- 🐛 Accelerometer mode unreliable
- 🐛 Disclaimer pops up frequently

**Reported bugs**

- Problems reported with Zwift connectivity
- Doesn't show up on Bluetooth in Zwift
- Slow response time from armband mode
- Speed not detected in Zwift
- Intermittent information transmission

**Requested features**

- Improve response time for armband mode
- Allow app to work in background
- Develop for Zwift bike with Power (Watt)
- Make app available in more countries
- Provide instructions for Apple TV connection


### PBOX

[App page](https://appshunter.io/ios/app/pbox/id1582398725)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Treadmill Smart Speed free?

Treadmill Smart Speed is free to download, with in-app purchases available.

### Is PBOX free?

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

### Do Treadmill Smart Speed or PBOX have ads?

Neither Treadmill Smart Speed nor PBOX shows ads.

### Which is updated more often, Treadmill Smart Speed or PBOX?

Treadmill Smart Speed ships an update weekly, and PBOX every 6 months. Most recently, Treadmill Smart Speed was updated on November 2, 2026 and PBOX on October 25, 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.*