# Chronometer and Countdown HD vs Calculator Sharp

The clearest difference is review sentiment: Calculator Sharp at 94% against Chronometer and Countdown HD's 0%. Calculator Sharp also leads on price (Free vs $0.99) and rating (5.0 vs 2.0). Chronometer and Countdown HD's advantage is ads (none vs shown). On in-app purchases there is nothing between them.

Calculator Sharp is free to download; Chronometer and Countdown HD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Sharp holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Calculator Sharp has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Chronometer and Countdown HD's written reviews are positive against 94% of Calculator Sharp's.

Chronometer and Countdown HD ships an update every 42 months, Calculator Sharp every 5 months. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chronometer and Countdown HD | Calculator Sharp |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/chronometer-and-countdown-hd/id380855822/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-sharp/id882461576/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **93.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 42 months | **Every 5 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 3 MB | 31 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [锦文 游](https://appshunter.io/developer/406832160) |

## What reviewers say

### Chronometer and Countdown HD

[App page](https://appshunter.io/ios/app/chronometer-and-countdown-hd/id380855822)

This utility app transforms your iPad into a versatile multi-stopwatch and multi-countdown timer. It's ideal for timing sporting events, athletic training, or motor racing, allowing simultaneous use of multiple timers and lap measurements.

**Highlights:** 4 independent stopwatches, Lap timing for up to 8 events, 4 independent countdown timers, Adjustable countdown times, Synchronization buttons, Background operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator Sharp

[App page](https://appshunter.io/ios/app/calculator-sharp/id882461576)

This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.

**Highlights:** Ultra-high precision (37 digits), Supports complex mathematical operations, Displays calculation steps, Undo and redo functionality, Multiple number base conversions, WYSIWYG interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronometer and Countdown HD free?

Chronometer and Countdown HD costs $0.99, with no in-app purchases.

### Is Calculator Sharp free?

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

### Which has better reviews, Chronometer and Countdown HD or Calculator Sharp?

Calculator Sharp is rated higher. Chronometer and Countdown HD averages 2.0 out of 5 from 1 ratings, while Calculator Sharp averages 5.0 from 5 ratings.

### Do Chronometer and Countdown HD or Calculator Sharp have ads?

Calculator Sharp shows ads; Chronometer and Countdown HD does not.

### Which is updated more often, Chronometer and Countdown HD or Calculator Sharp?

Chronometer and Countdown HD ships an update every 42 months, and Calculator Sharp every 5 months. Most recently, Chronometer and Countdown HD was updated on October 2, 2026 and Calculator Sharp on October 17, 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.*