# CalcuSplit vs ParamWatch

The clearest difference is in-app purchases: ParamWatch at none against CalcuSplit's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CalcuSplit sells 1 one-off in-app purchase. ParamWatch asks for nothing beyond the download.

CalcuSplit ships an update every 3 weeks, ParamWatch every 2 weeks. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CalcuSplit | ParamWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/calcusplit/id1563953421/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Iannazzone](https://appshunter.io/developer/1554474189) | [Luca Ceci](https://appshunter.io/developer/923764949) |

## What reviewers say

### CalcuSplit

[App page](https://appshunter.io/ios/app/calcusplit/id1563953421)

Easily time multiple runners simultaneously for races, relays, or interval workouts. Save and load presets for quick setup, track lap splits, and toggle rest periods. Export results in various formats or text them directly to participants.

**Highlights:** Time multiple runners at once, Track lap splits and finish times, Save and load event presets, Real-time handoff tracking for relays, Toggle rest periods for interval training, Export results as PDF, CSV, or HTML, Text results directly to runners

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuSplit Premium | $4.99 | one-time |


### ParamWatch

[App page](https://appshunter.io/ios/app/paramwatch/id6804263437)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CalcuSplit free?

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

### Is ParamWatch free?

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

### Do CalcuSplit or ParamWatch have ads?

Neither CalcuSplit nor ParamWatch shows ads.

### Which is updated more often, CalcuSplit or ParamWatch?

CalcuSplit ships an update every 3 weeks, and ParamWatch every 2 weeks. Most recently, CalcuSplit was updated on October 3, 2026 and ParamWatch on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*