# Trail Run Project vs BOLDERBoulder 10K

The clearest difference is update cadence: Trail Run Project at every 5 weeks against BOLDERBoulder 10K's every 16 months. BOLDERBoulder 10K's advantage is review sentiment (96% vs 67%) and rating (4.8 vs 4.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

BOLDERBoulder 10K holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 418 and 240 respectively. Written reviews point the same way: 67% of Trail Run Project's written reviews are positive against 96% of BOLDERBoulder 10K's.

Trail Run Project ships an update every 5 weeks, BOLDERBoulder 10K every 16 months. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Trail Run Project | BOLDERBoulder 10K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (418 ratings)](https://appshunter.io/ios/app/trail-run-project/id964349558/reviews) | **[4.8 (240 ratings)](https://appshunter.io/ios/app/bolderboulder-10k/id1453875121/reviews)** |
| Number of ratings | **418** | 240 |
| Positive reviews | 66.7% of reviews | **95.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 85 MB | 21 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adventure Projects Inc.](https://appshunter.io/developer/452308787) | [Dilltree Inc](https://appshunter.io/developer/799017229) |

## 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


### BOLDERBoulder 10K

[App page](https://appshunter.io/ios/app/bolderboulder-10k/id1453875121)

Follow runners in real-time during the race and explore the course with an interactive map. Receive push notifications for runner progress and race weekend events. Access sponsor offers and essential race day information.

**Highlights:** Real-time runner tracking, Interactive course map, Push notifications for runner progress, Sponsor offers, Race day information

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to navigate
- 👍 Great info
- 👍 User friendly
- 👍 Helpful features
- 👍 Worked great

**What reviewers complain about**

- 🐛 Some runners' stats missing
- 🤖 Keeps asking for review
- 🔍 Can't look up past results

**Reported bugs**

- Some runners' stats missing from the data
- Login screen freezes
- Incompatible with older devices

**Requested features**

- Ability to send encouragement messages to tracked runners
- Option to view past race results


## Frequently asked questions

### Is Trail Run Project free?

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

### Is BOLDERBoulder 10K free?

BOLDERBoulder 10K is free to download, with no in-app purchases.

### Which has better reviews, Trail Run Project or BOLDERBoulder 10K?

BOLDERBoulder 10K is rated higher. Trail Run Project averages 4.6 out of 5 from 418 ratings, while BOLDERBoulder 10K averages 4.8 from 240 ratings.

### Do Trail Run Project or BOLDERBoulder 10K have ads?

Neither Trail Run Project nor BOLDERBoulder 10K shows ads.

### Which is updated more often, Trail Run Project or BOLDERBoulder 10K?

Trail Run Project ships an update every 5 weeks, and BOLDERBoulder 10K every 16 months. Most recently, Trail Run Project was updated on September 20, 2026 and BOLDERBoulder 10K on September 22, 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.*