# SplitTime vs CalcuRun

The clearest difference is in-app purchases: SplitTime at none against CalcuRun's 5. SplitTime also leads on iOS requirement (7.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalcuRun sells 5 one-off in-app purchases. SplitTime asks for nothing beyond the download.

SplitTime ships an update every 2 weeks, CalcuRun every 4 weeks. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SplitTime | CalcuRun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/calcurun/id1554474187/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | — | Free |
| Size | 7 MB | 2 MB |
| Requires iOS | **7.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Iain Hunter](https://appshunter.io/developer/548720979) | [Joseph Iannazzone](https://appshunter.io/developer/1554474189) |

## What reviewers say

### SplitTime

[App page](https://appshunter.io/ios/app/splittime/id807947914)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 SplitTime free?

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

### Is CalcuRun free?

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

### Do SplitTime or CalcuRun have ads?

Neither SplitTime nor CalcuRun shows ads.

### Which is updated more often, SplitTime or CalcuRun?

SplitTime ships an update every 2 weeks, and CalcuRun every 4 weeks. Most recently, SplitTime was updated on October 8, 2026 and CalcuRun on October 18, 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.*