# DIY SMART KEY vs Smart Safe

The clearest difference is review sentiment: Smart Safe at 100% against DIY SMART KEY's 0%. Smart Safe also leads on update cadence (fortnightly vs monthly). DIY SMART KEY's advantage is iOS requirement (7.0 vs 12.0). On price, ads, in-app purchases and monetization model 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, Smart Safe fortnightly. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DIY SMART KEY | Smart Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-safe/id6449799825/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 19 MB | 42 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [烟台兰德华电子科技有限公司](https://appshunter.io/developer/1662079816) |

## 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


### Smart Safe

[App page](https://appshunter.io/ios/app/smart-safe/id6449799825)

Manage and control your smart devices through a unified platform. Connect, unlock, and query records for various smart devices. The service continuously improves performance and expands functionality.

**Highlights:** Smart device connection, Device management, Unlock functionality, Record query, Performance optimization, Application expansion

**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 Smart Safe free?

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

### Do DIY SMART KEY or Smart Safe have ads?

Neither DIY SMART KEY nor Smart Safe shows ads.

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

DIY SMART KEY ships an update monthly, and Smart Safe fortnightly. Most recently, DIY SMART KEY was updated on October 15, 2026 and Smart Safe on October 5, 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.*