# Sandglass3 vs Chess Clock Classy

The clearest difference is review sentiment: Chess Clock Classy at 100% against Sandglass3's 44%. Chess Clock Classy also leads on rating (4.7 vs 2.7) and ads (none vs shown). Sandglass3's advantage is iOS requirement (9.0 vs 12.2). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Chess Clock Classy holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: Chess Clock Classy has 59 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 44% of Sandglass3's written reviews are positive against 100% of Chess Clock Classy's.

Sandglass3 ships an update every 8 months, Chess Clock Classy every 6 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sandglass3 | Chess Clock Classy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (11 ratings)](https://appshunter.io/ios/app/sandglass3/id386488183/reviews) | **[4.7 (59 ratings)](https://appshunter.io/ios/app/chess-clock-classy/id1468780832/reviews)** |
| Number of ratings | 11 | **59** |
| Positive reviews | 43.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Ad-supported | **Free** |
| Size | 43 MB | 1 MB |
| Requires iOS | **9.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [David Bauer](https://appshunter.io/developer/1458990331) |

## What reviewers say

### Sandglass3

[App page](https://appshunter.io/ios/app/sandglass3/id386488183)

This app simulates a realistic hourglass with customizable timer durations. Users can flip the hourglass by swiping or rotating their device. It offers optional sound alerts and automatic rotation upon completion.

**Highlights:** Realistic hourglass simulation, 1, 3, and 6-minute timers, Swipe to flip hourglass, Rotate device to flip, Chime alert on completion, Automatic rotation option

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock Classy

[App page](https://appshunter.io/ios/app/chess-clock-classy/id1468780832)

This app provides a digital and classic chess clock with various customizable timing modes. It supports popular chess formats like Bullet, Blitz, and Rapid, as well as Fischer time increments and Armageddon games.

**Highlights:** Classic and digital clock options, Multiple timing modes, Bullet, Blitz, Rapid support, Fischer time increment, Customized timing modes, Armageddon game mode, Dice mode with random time

**In-app purchases:** none


## Frequently asked questions

### Is Sandglass3 free?

Sandglass3 is free to download, with no in-app purchases.

### Is Chess Clock Classy free?

Chess Clock Classy is free to download, with no in-app purchases.

### Which has better reviews, Sandglass3 or Chess Clock Classy?

Chess Clock Classy is rated higher. Sandglass3 averages 2.7 out of 5 from 11 ratings, while Chess Clock Classy averages 4.7 from 59 ratings.

### Do Sandglass3 or Chess Clock Classy have ads?

Sandglass3 shows ads; Chess Clock Classy does not.

### Which is updated more often, Sandglass3 or Chess Clock Classy?

Sandglass3 ships an update every 8 months, and Chess Clock Classy every 6 months. Most recently, Sandglass3 was updated on October 23, 2026 and Chess Clock Classy on October 24, 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.*