# UDMI vs MyHSS

The clearest difference is iOS requirement: UDMI at 9.0 against MyHSS's 16.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

UDMI ships an update every 2 months, MyHSS every 6 weeks. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | UDMI | MyHSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/myhss/id1555932065/reviews)** |
| Number of ratings | — | **1.6K** |
| Positive reviews | — | 73.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 21 MB | 187 MB |
| Requires iOS | **9.0** | 16.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [AGApps LLC](https://appshunter.io/developer/1342779107) | [Hospital for Special Surgery](https://appshunter.io/developer/1049888899) |

## What reviewers say

### UDMI

[App page](https://appshunter.io/ios/app/udmi/id1033402719)

**Features:** macOS Compatibility

**In-app purchases:** none


### MyHSS

[App page](https://appshunter.io/ios/app/myhss/id1555932065)

Access your complete medical record, communicate with your care team, and manage appointments. This app provides instant updates and allows scheduling of in-person or virtual visits with specialists. It also offers health resources and the ability to track fitness data.

**Highlights:** View medical records and test results, Message doctors, Manage appointment calendar, Receive care updates, Schedule virtual appointments, Access health resources

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly app
- 🚀 Seamless and easy to use
- 🔒 Secure access to medical records
- 💡 Comprehensive features (appointments, test results, messaging)
- 👍 Excellent customer service

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🐛 Navigation issues (no back/exit buttons)
- 🐛 Inconsistent performance (hangs, slow loading)
- 👎 Difficult to find/access medical records
- 👎 Poor integration with other health apps

**Reported bugs**

- Inability to log out or navigate back from certain screens
- Inconsistent behavior when accessing test results
- Vaccination status update feature not functioning properly
- Appointment scheduling issues (unavailable slots shown as available)
- Billing and payment processing problems

**Requested features**

- Ability to compare test results over time
- Integration with wearable devices (e.g., Apple Watch)
- Option to share test results with external providers
- Streamlined login and password management
- Improved notification system for appointments and updates


## Frequently asked questions

### Is UDMI free?

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

### Is MyHSS free?

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

### Do UDMI or MyHSS have ads?

Neither UDMI nor MyHSS shows ads.

### Which is updated more often, UDMI or MyHSS?

UDMI ships an update every 2 months, and MyHSS every 6 weeks. Most recently, UDMI was updated on October 10, 2026 and MyHSS on October 27, 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.*