# Nixie Calculator vs Classic Chess Game Clock

The clearest difference is update cadence: Nixie Calculator at monthly against Classic Chess Game Clock's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nixie Calculator sells 1 one-off in-app purchase and Classic Chess Game Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nixie Calculator ships an update monthly, Classic Chess Game Clock every 12 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Nixie Calculator | Classic Chess Game Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15 ratings)](https://appshunter.io/ios/app/nixie-calculator/id1489019109/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNB SYSTEMS PTY LTD](https://appshunter.io/developer/1514057763) | [忆倩 刘](https://appshunter.io/developer/1492807169) |

## What reviewers say

### Nixie Calculator

[App page](https://appshunter.io/ios/app/nixie-calculator/id1489019109)

This calculator app features a digital paper tape to display entries, which can be copied or shared. It offers various customization options like color schemes, rounding, and display modes, blending retro aesthetics with modern device technology.

**Highlights:** Paper tape for entry display, Copy and paste functionality, Customizable color schemes, Adjustable rounding and exponential modes, Classic Nixie font option, Thousand separator styles

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Color Layouts | $2.99 | one-time |


### Classic Chess Game Clock

[App page](https://appshunter.io/ios/app/classic-chess-game-clock/id6475663809)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |


## Frequently asked questions

### Is Nixie Calculator free?

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

### Is Classic Chess Game Clock free?

Classic Chess Game Clock is free to download, with in-app purchases available.

### Do Nixie Calculator or Classic Chess Game Clock have ads?

Neither Nixie Calculator nor Classic Chess Game Clock shows ads.

### Which is updated more often, Nixie Calculator or Classic Chess Game Clock?

Nixie Calculator ships an update monthly, and Classic Chess Game Clock every 12 months. Most recently, Nixie Calculator was updated on November 3, 2026 and Classic Chess Game Clock on November 4, 2026.

---

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