# Janus Lock vs Storm Purchasing App

The clearest difference is update cadence: Storm Purchasing App at every 10 days against Janus Lock's every 6 weeks. Janus Lock's advantage is iOS requirement (14 vs 16.0). 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.

Janus Lock ships an update every 6 weeks, Storm Purchasing App every 10 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Janus Lock | Storm Purchasing App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/janus-lock/id1441854153/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 34.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 23 MB | 90 MB |
| Requires iOS | **14** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Henis Electronic Technology Co., Ltd.](https://appshunter.io/developer/1102336874) | [Storm Software](https://appshunter.io/developer/1842188476) |

## What reviewers say

### Janus Lock

[App page](https://appshunter.io/ios/app/janus-lock/id1441854153)

Manage your smart door locks and access rights directly from your mobile device. Track who unlocks your door and when, and create physical passcodes for easy access. Share and manage keys with friends at a granular level.

**Highlights:** Unlock door remotely, Track unlock history, Create physical passcodes, Share and manage access, Hardware firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Storm Purchasing App

[App page](https://appshunter.io/ios/app/storm-purchasing-app/id6794346985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Janus Lock free?

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

### Is Storm Purchasing App free?

Storm Purchasing App is free to download, with no in-app purchases.

### Do Janus Lock or Storm Purchasing App have ads?

Neither Janus Lock nor Storm Purchasing App shows ads.

### Which is updated more often, Janus Lock or Storm Purchasing App?

Janus Lock ships an update every 6 weeks, and Storm Purchasing App every 10 days. Most recently, Janus Lock was updated on October 13, 2026 and Storm Purchasing App on October 2, 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.*