# DIY SMART KEY vs VivaLight

The clearest difference is update cadence: VivaLight at every 2 weeks against DIY SMART KEY's monthly. DIY SMART KEY's advantage is iOS requirement (7.0 vs 14). On price, ads, 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.

DIY SMART KEY ships an update monthly, VivaLight every 2 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DIY SMART KEY | VivaLight |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 19 MB | 147 MB |
| Requires iOS | **7.0** | 14 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [Shenzhen Elink Things Co., Ltd](https://appshunter.io/developer/1538561642) |

## What reviewers say

### DIY SMART KEY

[App page](https://appshunter.io/ios/app/diy-smart-key/id1159590077)

Transform your traditional remote control systems into smartphone-controlled ones. This app allows you to manage car alarms, motorcycle alarms, home security, and door automation systems directly from your phone via a Bluetooth module.

**Highlights:** Smartphone control for alarms and door automation, Supports automotive, motorcycle, and home systems, Automatic locking/unlocking based on proximity, Compatible with various fixed and learning code systems, Bluetooth pairing with I-KEY module, Code learning from original remotes

**In-app purchases:** none


### VivaLight

[App page](https://appshunter.io/ios/app/vivalight/id6740806264)

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

**In-app purchases:** none


## Frequently asked questions

### Is DIY SMART KEY free?

DIY SMART KEY is free to download, with no in-app purchases.

### Is VivaLight free?

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

### Do DIY SMART KEY or VivaLight have ads?

Neither DIY SMART KEY nor VivaLight shows ads.

### Which is updated more often, DIY SMART KEY or VivaLight?

DIY SMART KEY ships an update monthly, and VivaLight every 2 weeks. Most recently, DIY SMART KEY was updated on October 15, 2026 and VivaLight on October 9, 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.*