Rhombus Key vs NocTel Go 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rhombus Key
Securely unlock doors using your smartphone, eliminating the need for physical keys or badges. Enjoy fast, seamless access to buildings and manage multiple locations with a single login. Save your favorite doors for quick navigation.
- Secure mobile credentials for building access
- Wave to unlock functionality
- Save favorite doors for quick access
- Multi-location access with one login
- Centralized visibility and control
- Seamless remote access
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Wave Hello to Rhombus Key – to securely unlock doors straight from your Smartphone. Say goodbye to physical keys, keycards, and badges by using Rhombus Key for: - Fast and secure building access with mobile credentials. - Seamless badging by simply waving to unlock or by using your phone. - Quick navigation to your most-used doors by saving your favorites. - Multi-location access across all your doors with one login. This app is compatible with Rhombus Access Control – a modern approach to building management with centralized visibility and control, seamless remote access, and unlimited scalability.
NocTel Go 2
This business communication app extends your hosted voice services to your mobile device. Make calls, transfer them, access voicemails, and manage your business phone functions from your smartphone or tablet.
- Hosted voice services on mobile
- Direct extension dialing
- Call transferring
- Voicemail access
- Business phone functionalities
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Take NocTel hosted voice services with you on your iOS smartphone or tablet! NocTel Go 2 can supplement or even replace physical handsets while being associated with the same NocTel account allowing for direct extension dialing, call transferring, personal voicemail and voicemail access of other extensions, and all our common business phone functionalities.
Screenshots
Verdict
The clearest difference is review sentiment: Rhombus Key at 74% against NocTel Go 2's 0%. Rhombus Key also leads on update cadence (every 4 weeks vs every 10 months) and ratings volume (73 vs 18). NocTel Go 2's advantage is rating (4.7 vs 4.2) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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.
NocTel Go 2 holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 73 and 18 respectively. Written reviews complicate that: 74% of Rhombus Key's written reviews are positive against 0% of NocTel Go 2's, so the app with the better star average is not the one people write more warmly about.
Rhombus Key ships an update every 4 weeks, NocTel Go 2 every 10 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Rhombus Key | NocTel Go 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (73 ratings) | 4.7 (18 ratings) — better |
| Positive reviews | 74.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 73 — better | 18 |
| Update frequency | Every 4 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Rhombus Systems, Inc. | NocTel Communications, Inc. |
Customer experience
Rhombus Key
NocTel Go 2
Bugs and requests
Rhombus Key
Reported bugs
7 issues- App constantly bugs about having location on at all times
- Issues with giving access to non-admin accounts
- System will work working randomly
- App neither sends the magic code to login nor has a password reset feature
- Unable to activate account or log in
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- Barely works and destroys battery
- App checks location ALWAYS
Requested features
3 requests- Allow app to work with location settings set to While using the app
- Improve basic features and user experience
- Fix login and password reset issues
NocTel Go 2
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rhombus Key
No in-app purchases
NocTel Go 2
No in-app purchases








