# ChronoCalc vs SnapTimer Pro

The clearest difference is monetization model: ChronoCalc at free against SnapTimer Pro's paid. ChronoCalc also leads on device support (3 vs 1) and iOS requirement (8.0 vs 18.2). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ChronoCalc against 5.0 for SnapTimer Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

ChronoCalc ships an update every 12 months, SnapTimer Pro every 15 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ChronoCalc | SnapTimer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/chronocalc/id927026325/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/snaptimer-pro/id6743916918/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 15 months |
| Monetization | **Free** | Paid |
| Size | 237 MB | 5 MB |
| Requires iOS | **8.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Augusta University](https://appshunter.io/developer/319778530) | [RusticVibe Media LLC](https://appshunter.io/developer/1805062025) |

## What reviewers say

### ChronoCalc

[App page](https://appshunter.io/ios/app/chronocalc/id927026325)

This app simplifies time calculations, offering features like addition, subtraction, multiplication, and division of time intervals. It supports various time formats, millisecond precision, and provides an activity timer for elapsed time tracking.

**Highlights:** Time addition, subtraction, multiplication, division, Millisecond precision, AM/PM and 24-hour time formats, Intervals in H:M:S:MS or decimals, Activity timer for elapsed time, Convert between hours, minutes, seconds, milliseconds, Multiple color schemes

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapTimer Pro

[App page](https://appshunter.io/ios/app/snaptimer-pro/id6743916918)

Quickly set countdown timers with preset durations. Stack multiple intervals that run sequentially and receive sound alerts. Customize progress circle colors and sound tones for various tasks like workouts or focus sessions.

**Highlights:** Preset countdown durations, Stackable sequential intervals, Customizable sound alerts, Progress circle customization, Multiple sound tone options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChronoCalc free?

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

### Is SnapTimer Pro free?

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

### Which has better reviews, ChronoCalc or SnapTimer Pro?

ChronoCalc and SnapTimer Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do ChronoCalc or SnapTimer Pro have ads?

Neither ChronoCalc nor SnapTimer Pro shows ads.

### Which is updated more often, ChronoCalc or SnapTimer Pro?

ChronoCalc ships an update every 12 months, and SnapTimer Pro every 15 months. Most recently, ChronoCalc was updated on October 24, 2026 and SnapTimer Pro on October 19, 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.*