# Runner's Tools vs CalcuRun

The clearest difference is update cadence: CalcuRun at every 4 weeks against Runner's Tools's every 38 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Runner's Tools sells 1 one-off in-app purchase and CalcuRun sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Runner's Tools against 5.0 for CalcuRun. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

Runner's Tools ships an update every 38 months, CalcuRun every 4 weeks. The most recent releases landed on September 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Runner's Tools | CalcuRun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/runners-tools/id1491073558/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/calcurun/id1554474187/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 2 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Bacro](https://appshunter.io/developer/1482824795) | [Joseph Iannazzone](https://appshunter.io/developer/1554474189) |

## What reviewers say

### Runner's Tools

[App page](https://appshunter.io/ios/app/runners-tools/id1491073558)

This app helps runners plan and analyze their training and races. It offers features like race predictors, training pace calculators, and split planners. It also accounts for environmental factors and converts between metric and imperial units.

**Highlights:** Race Predictor, Training Pace Calculator, Track Split Conversion, Race Split Planning, Environmental Factor Analysis, Pace Conversion, Age Graded Performance Calculation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### CalcuRun

[App page](https://appshunter.io/ios/app/calcurun/id1554474187)

This app helps runners predict race times, plan training paces, and calculate race splits. It offers a science-based approach to training, with predictions based on recent performance. All calculations are done on-device for privacy.

**Highlights:** Predict race times based on recent performance, Plan workout paces, Calculate race splits, Support for custom race distances, iCloud sync across devices, On-device calculations for privacy

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Mile | $0.99 | one-time |
| 5K | $1.99 | one-time |
| Turkey Trot | $3.99 | one-time |
| Half Marathon | $5.99 | one-time |
| Marathon | $9.99 | one-time |


## Frequently asked questions

### Is Runner's Tools free?

Runner's Tools is free to download, with in-app purchases available.

### Is CalcuRun free?

CalcuRun is free to download, with in-app purchases available.

### Which has better reviews, Runner's Tools or CalcuRun?

Runner's Tools and CalcuRun are both rated 5.0 out of 5 on the App Store, from 3 and 6 ratings respectively.

### Do Runner's Tools or CalcuRun have ads?

Neither Runner's Tools nor CalcuRun shows ads.

### Which is updated more often, Runner's Tools or CalcuRun?

Runner's Tools ships an update every 38 months, and CalcuRun every 4 weeks. Most recently, Runner's Tools was updated on September 3, 2026 and CalcuRun on September 9, 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.*