# OCS Smart vs Nixie Tube Timer

The clearest difference is update cadence: Nixie Tube Timer at every 3 days against OCS Smart's every 5 months. OCS Smart's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). 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.

OCS Smart ships an update every 5 months, Nixie Tube Timer every 3 days. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OCS Smart | Nixie Tube Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/ocs-smart/id1529412892/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 26 MB | 85 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ojmar Intelligent Locking Systems](https://appshunter.io/developer/1353773747) | [Good Gary Apps LLC](https://appshunter.io/developer/6805500311) |

## What reviewers say

### OCS Smart

[App page](https://appshunter.io/ios/app/ocs-smart/id1529412892)

Control and manage your Ojmar OCS Smart locks with ease. This application offers a straightforward interface for operating your smart lock system.

**Highlights:** Operate OCS Smart locks, Simple user interface, Comfortable lock management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is OCS Smart free?

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

### Is Nixie Tube Timer free?

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

### Do OCS Smart or Nixie Tube Timer have ads?

Neither OCS Smart nor Nixie Tube Timer shows ads.

### Which is updated more often, OCS Smart or Nixie Tube Timer?

OCS Smart ships an update every 5 months, and Nixie Tube Timer every 3 days. Most recently, OCS Smart was updated on October 11, 2026 and Nixie Tube Timer on October 7, 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.*