# Nixie Clocks vs GrowSpec

The clearest difference is device support: Nixie Clocks at 4 against GrowSpec's 2. GrowSpec's advantage is iOS requirement (10.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Nixie Clocks | GrowSpec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (106 ratings)](https://appshunter.io/ios/app/nixie-clocks/id1340858489/reviews)** | — |
| Number of ratings | **106** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 12 MB | 94 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ljezny](https://appshunter.io/developer/557198537) | [Foshan Growspec Biotech Co.,ltd](https://appshunter.io/developer/1687637404) |

## What reviewers say

### Nixie Clocks

[App page](https://appshunter.io/ios/app/nixie-clocks/id1340858489)

This device displays time using vintage-style Nixie tubes, offering automatic internet time synchronization and online settings management. It features silent operation, extended tube life through direct drive, and cathode poisoning prevention. Users can also enjoy customizable RGB underlighting and remote firmware updates.

**Highlights:** Internet time synchronization, Online settings management, Silent operation, Direct driven Nixie tubes, Cathode poisoning prevention, RGB underlighting, Online firmware updates

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

**In-app purchases:** none


### GrowSpec

[App page](https://appshunter.io/ios/app/growspec/id6449085685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nixie Clocks free?

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

### Is GrowSpec free?

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

### Do Nixie Clocks or GrowSpec have ads?

Neither Nixie Clocks nor GrowSpec 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.*