# Trek Central vs Pixel Size Calculator

The clearest difference is price: Trek Central at Free against Pixel Size Calculator's $2.99. Trek Central also leads on update cadence (every 2 months vs every 38 months). Pixel Size Calculator's advantage is device support (3 vs 1) and iOS requirement (13 vs 17.0). On ads and in-app purchases there is nothing between them.

Trek Central is free to download; Pixel Size Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trek Central ships an update every 2 months, Pixel Size Calculator every 38 months. The most recent releases landed on October 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Trek Central | Pixel Size Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (3K ratings)](https://appshunter.io/ios/app/trek-central/id1609966547/reviews)** | — |
| Number of ratings | **3K** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | Free | — |
| Size | 207 MB | 1 MB |
| Requires iOS | 17.0 | **13** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Trek Bicycle](https://appshunter.io/developer/780864901) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### Trek Central

[App page](https://appshunter.io/ios/app/trek-central/id1609966547)

Customize your eBike's motor assist, track ride metrics, and get real-time range calculations. The app also provides suspension setup recommendations and service reminders for compatible Trek eBikes.

**Highlights:** Motor assist customization, Activity tracking, Real-time range calculation, Navigation features, Suspension setup recommendations, Service reminders

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app when it works
- 👍 Good for adjusting bike settings
- 🔋 Decent battery life

**What reviewers complain about**

- 🐛 Constant connection issues
- 🐛 Crashes and bugs
- 🐛 Inaccurate data tracking
- 🔒 Poor password handling
- 👎 Limited functionality

**Reported bugs**

- Inability to connect to bike
- Elevation tracking not working
- Ride data not syncing correctly
- Frequent app crashes

**Requested features**

- Dark mode option
- Customizable dashboard
- Strava integration
- Apple Watch support
- Improved mapping and navigation


### Pixel Size Calculator

[App page](https://appshunter.io/ios/app/pixel-size-calculator/id6444351372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trek Central free?

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

### Is Pixel Size Calculator free?

Pixel Size Calculator costs $2.99, with no in-app purchases.

### Do Trek Central or Pixel Size Calculator have ads?

Neither Trek Central nor Pixel Size Calculator shows ads.

### Which is updated more often, Trek Central or Pixel Size Calculator?

Trek Central ships an update every 2 months, and Pixel Size Calculator every 38 months. Most recently, Trek Central was updated on October 22, 2026 and Pixel Size Calculator on October 12, 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.*