# SuperDocACO 2.0 vs Rhombus Key

The clearest difference is rating: SuperDocACO 2.0 at 4.9 against Rhombus Key's 4.3. SuperDocACO 2.0 also leads on review sentiment (100% vs 74%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SuperDocACO 2.0 holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 34 and 72 respectively. Written reviews point the same way: 100% of SuperDocACO 2.0's written reviews are positive against 74% of Rhombus Key's.

SuperDocACO 2.0 ships an update fortnightly, Rhombus Key every 4 weeks. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SuperDocACO 2.0 | Rhombus Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34 ratings)](https://appshunter.io/ios/app/superdocaco-20/id1457855149/reviews)** | [4.3 (72 ratings)](https://appshunter.io/ios/app/rhombus-key/id1669560104/reviews) |
| Number of ratings | 34 | **72** |
| Positive reviews | **100.0% of reviews** | 74.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 11 MB | 20 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Tech Titan, LLC](https://appshunter.io/developer/1457855148) | [Rhombus Systems, Inc.](https://appshunter.io/developer/1237841962) |

## What reviewers say

### SuperDocACO 2.0

[App page](https://appshunter.io/ios/app/superdocaco-20/id1457855149)

This app offers physicians and staff tools to enhance patient care management. It provides real-time hospital admission/discharge notifications, a secure messaging system for patient information exchange, and a directory for networking with other medical professionals.

**Highlights:** Real-time patient admission/discharge notifications, HIPAA-compliant secure messaging, Medical professional directory, Event check-in, Patient care management tools

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

**In-app purchases:** none


### Rhombus Key

[App page](https://appshunter.io/ios/app/rhombus-key/id1669560104)

Securely unlock doors using your smartphone, eliminating the need for physical keys or keycards. This app offers fast building access, seamless badging, and the ability to save favorite doors for quick navigation. It supports multi-location access with a single login.

**Highlights:** Secure mobile credentials for building access, Fast and seamless badging, Save favorite doors for quick access, Multi-location access with one login, Compatible with Rhombus Access Control

**In-app purchases:** none


## Frequently asked questions

### Is SuperDocACO 2.0 free?

SuperDocACO 2.0 is free to download, with no in-app purchases.

### Is Rhombus Key free?

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

### Which has better reviews, SuperDocACO 2.0 or Rhombus Key?

SuperDocACO 2.0 is rated higher. SuperDocACO 2.0 averages 4.9 out of 5 from 34 ratings, while Rhombus Key averages 4.3 from 72 ratings.

### Do SuperDocACO 2.0 or Rhombus Key have ads?

Neither SuperDocACO 2.0 nor Rhombus Key shows ads.

### Which is updated more often, SuperDocACO 2.0 or Rhombus Key?

SuperDocACO 2.0 ships an update fortnightly, and Rhombus Key every 4 weeks. Most recently, SuperDocACO 2.0 was updated on October 14, 2026 and Rhombus Key on October 30, 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.*