# Trail Run Project vs Calcupace

The clearest difference is update cadence: Trail Run Project at every 5 weeks against Calcupace's every 24 months. Trail Run Project also leads on ratings volume (418 vs 132). Calcupace's advantage is review sentiment (87% vs 67%) and rating (4.8 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calcupace holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 418 and 132 respectively. Written reviews point the same way: 67% of Trail Run Project's written reviews are positive against 87% of Calcupace's.

Trail Run Project ships an update every 5 weeks, Calcupace every 24 months. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Trail Run Project | Calcupace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (418 ratings)](https://appshunter.io/ios/app/trail-run-project/id964349558/reviews) | **[4.8 (132 ratings)](https://appshunter.io/ios/app/calcupace/id1091246249/reviews)** |
| Number of ratings | **418** | 132 |
| Positive reviews | 66.7% of reviews | **86.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 24 months |
| Monetization | Free | Free |
| Size | 85 MB | 1 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adventure Projects Inc.](https://appshunter.io/developer/452308787) | [Bjoern Bartels](https://appshunter.io/developer/387843126) |

## What reviewers say

### Trail Run Project

[App page](https://appshunter.io/ios/app/trail-run-project/id964349558)

Discover and navigate thousands of miles of running trails with detailed GPS data, elevation profiles, and photos. Find featured runs near you or in searched locations, with offline access for remote adventures. Local expert insights help you plan the perfect trail run.

**Highlights:** GPS route information, Elevation profiles, Interactive trail maps, High-resolution photos, Offline trail downloads, Location tracking on trail

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive trail database with detailed maps
- 📱 Offline map functionality without cell signal
- 🎯 Accurate GPS tracking and location services
- 📊 Detailed elevation profiles and trail information
- 🆓 Free access to extensive trail data

**What reviewers complain about**

- 🐛 Frequent crashes (50-90% of use)
- 😞 Significant UI degradation after updates
- 🗺️ Inaccurate or outdated trail information
- ❌ Poor data curation and duplicate trail entries
- 🔧 Ownership change by OnX led to app neglect

**Reported bugs**

- App crashes frequently during use
- Map view unresponsive and jumps around
- Trail selection scroll at bottom is broken
- Map fails to load or refresh properly
- State map downloads fail

**Requested features**

- GPX file export capability
- Apple Watch app integration
- Real-time friend tracking/safety monitoring
- Off-trail warning system
- Run tracking with splits and audio feedback


### Calcupace

[App page](https://appshunter.io/ios/app/calcupace/id1091246249)

Easily convert between speed, pace, time, and distance for running, cycling, or triathlon training. Calculate target times, required paces, or corresponding speeds for your athletic goals.

**Highlights:** Convert speed, pace, time, and distance, Calculate target times, Determine required running pace, Convert pace to speed, Useful for runners, cyclists, and triathletes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trail Run Project free?

Trail Run Project is free to download, with no in-app purchases.

### Is Calcupace free?

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

### Which has better reviews, Trail Run Project or Calcupace?

Calcupace is rated higher. Trail Run Project averages 4.6 out of 5 from 418 ratings, while Calcupace averages 4.8 from 132 ratings.

### Do Trail Run Project or Calcupace have ads?

Neither Trail Run Project nor Calcupace shows ads.

### Which is updated more often, Trail Run Project or Calcupace?

Trail Run Project ships an update every 5 weeks, and Calcupace every 24 months. Most recently, Trail Run Project was updated on October 10, 2026 and Calcupace on October 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.*