Janus Lock vs Storm Purchasing App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Janus Lock
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.
- Unlock door remotely
- Track unlock history
- Create physical passcodes
- Share and manage access
- Hardware firmware updates
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Janus Lock is the next-generation smart door lock system which enables you to manage your locks and access rights all on your mobile phone. Key features: - Unlock the door with this app, for sure! - History tracking: Who and when unlocks my lock?! - Create and manage the physical 4-key passcodes so you don't even need to pull out your phone. - Share any keys or passcodes to your friends and manage them in a granular level. - Support hardware firmware update to unlock more new features in the future!
Storm Purchasing App
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Storm Purchasing is an enterprise mobile application designed to help companies manage their purchasing processes from start to finish in a fast, controlled, and transparent way. From creating a purchase request to supplier evaluation, the entire purchasing workflow can be followed directly from the mobile application. Based on their authorization, users can create requests, track existing requests, perform pre-approval and approval actions, and manage offer-related processes. With Storm Purchasing, you can: Create new purchase requests and track their progress. View pending, approved, and rejected requests. Manage pre-approval and final approval processes from your mobile device. View, review, and approve supplier offers. Track the current status of purchasing and offer processes. Record delivery information and manage delivery operations. Follow finance and payment processes. Complete supplier evaluations at the end of the purchasing process. Stay informed about pending actions and approvals through system notifications. Purchase Request → Pre-Approval → Offer → Final Approval → Delivery → Finance → Evaluation Storm Purchasing makes purchasing operations more transparent, traceable, and manageable while improving communication between teams and increasing operational efficiency.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Janus Lock | Storm Purchasing App |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (4 ratings) — better | — |
| Positive reviews | 34.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14 — better | 16.0 |
| Further details — not scored | ||
| Size | 23 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Henis Electronic Technology Co., Ltd. | Storm Software |
In-app purchases
Janus Lock
No in-app purchases
Storm Purchasing App
No in-app purchases









