# Nixie Tube Timer vs Clackboard

The clearest difference is in-app purchases: Nixie Tube Timer at none against Clackboard's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Clackboard sells 1 one-off in-app purchase. Nixie Tube Timer asks for nothing beyond the download.

## The numbers

| Metric | Nixie Tube Timer | Clackboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 85 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Good Gary Apps LLC](https://appshunter.io/developer/6805500311) | [Kris Pierre Ludemann](https://appshunter.io/developer/6817115780) |

## What reviewers say

### Nixie Tube Timer

[App page](https://appshunter.io/ios/app/nixie-tube-timer-countdown/id6807435836)

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

**In-app purchases:** none


### Clackboard

[App page](https://appshunter.io/ios/app/clackboard-flip-clock/id6817115778)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clackboard Pro | $2.99 | one-time |


## Frequently asked questions

### Is Nixie Tube Timer free?

Nixie Tube Timer is free to download, with no in-app purchases.

### Is Clackboard free?

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

### Do Nixie Tube Timer or Clackboard have ads?

Neither Nixie Tube Timer nor Clackboard shows ads.

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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.*