# EmberRun Calc — Pace Calculator, Race Log

> Running pace calculator, race predictor, and progress tracker with optional in-app purchases. (iPhone/iPad app by Brian White.)

- Source: https://appshunter.io/ios/app/emberrun-calc/id6742080044 (this page in markdown: same URL + `.md`)
- Developer: [Brian White](https://appshunter.io/developer/1796708452)
- Category: Health & Fitness, Sports
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.0 · 2 MB
- Languages: American English
- Released: 2025-08-25
- Data updated: 2026-06-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/emberrun-calc/id6742080044/reviews.md

## What is EmberRun Calc?

EmberRun Calc – Plan, Predict & Improve Your Runs

Whether you’re training for your first 5K or chasing a marathon PR, EmberRun Calc makes it simple to plan your pace, predict finish times, and track progress - all in one clean, ad-free app.

Quick Pace & Distance Calculations (free)
- Instantly calculate pace, time, or distance
- Switch between miles, kilometers, mph, and km/h
- Automatic unit conversions for international races and training
- Share runs directly from the Calculator or Results screen

Save & Backup Results (in-app purchase)
- Save race times, training runs, and predictions
- See how your results stack up with age grading percentages
- Restore on any device and track improvement over time
- iCloud backup keeps your data safe

Accurate Race Time Predictions (in-app purchase)
- Forecast your finish time for any distance
- Powered by Riegel’s formula for reliable results
- Adjust for your own performance history

Custom Themes & Controls (in-app purchase)
- Choose from vibrant themes like Aurora, Daybreak, and Horizon
- Customize race colors to match your plan
- Fine-tune pace, time, and distance increments for faster adjustments

Free core features include pace, time, and distance calculations, as well as unit conversions. Unlock extras with a one-time purchase to save runs, get race predictions, and customize themes.

Plan smarter. Race faster. Run with EmberRun Calc.

## Key features

- Pace, time, and distance calculations
- Automatic unit conversions
- Save and backup race results
- Accurate race time predictions
- Customizable themes and controls
- Age grading percentages

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Save Results | $2.99 | one-time |
| Race Predictions | $0.99 | one-time |
| Product Launch Bundle | $3.99 | one-time |
| Color Themes | $0.99 | one-time |
| Extra Large Tip | $9.99 | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/emberrun-calc/id6742080044/reviews.md

### 5/5 — Great app

*2026-01-05*

Does exactly what it says. I use it to play around with what I could run a 5k in even in my age group. Definitely recommend

## Frequently asked questions about EmberRun Calc

### What are the core features of EmberRun Calc?

EmberRun Calc offers free core features including instant pace, time, and distance calculations, along with automatic unit conversions between miles and kilometers. You can also share your runs directly from the app.

### What can I unlock with EmberRun Calc's in-app purchases?

In-app purchases allow you to save and back up your race times, training runs, and predictions using iCloud. You can also access accurate race time predictions powered by Riegel's formula and customize the app's themes and controls.

### Does EmberRun Calc have ads?

No, EmberRun Calc is an ad-free app. The description explicitly states it is a 'clean, ad-free app'.

### How accurate are EmberRun Calc's race time predictions?

Race time predictions are powered by Riegel's formula, known for providing reliable results. You can also adjust these predictions based on your own performance history for greater accuracy.

### What devices is EmberRun Calc available on?

Based on the provided data, EmberRun Calc is currently supported on iPhones.

### How often is EmberRun Calc updated?

The app was last updated on October 1, 2025, indicating active development. The latest version is 1.4.

### Can I track my progress over time with EmberRun Calc?

Yes, by saving your results and predictions, you can track your improvement over time. The app also shows how your results stack up with age grading percentages.

### What is the age rating for EmberRun Calc?

EmberRun Calc has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 2 releases)

### 1.4 — 2025-10-01

What’s New
- Age Grading (New!): See how your results stack up on a world-standard scale. Performances are adjusted for age and gender, with a clear age-graded percentage shown in your results. (Requires Save Result in-app purchase.)
- Sharing Made Simple: Share your runs directly from the Calculator or Results screen. Choose distance, pace/tempo units, and even add optional attribution. Free for everyone.
- Refined Experience: Settings and backup screens have been streamlined for a cleaner, smoother look.
- Faster Starts: Launch times are now quicker, especially if you use iCloud backup.
- Ready for iOS 26: Fully optimized for Apple’s latest release.

### 1.2.2 — 2025-08-25

No release notes.

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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 2026-06-25.*