HMI Viewer vs UniFi Verify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HMI Viewer
This application allows end users to interact with PLC-controlled processes through custom-designed Human Machine Interfaces. Integrators can create and deploy these interfaces securely, enabling seamless control and monitoring of industrial systems.
- View-only HMI interface
- Interact with PLC-controlled processes
- Secure deployment to end-user devices
- Supports major PLC brands
- Native application performance
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HMI is the view only version of our HMI system (HMI and HMI Editor). With the HMI Editor app integrators create efficient, advanced, highly responsive "Human Machine Interfaces" and deploy securely to end users's devices who are able to run projects specifically designed for them. As an end user you can download your projects with a single tap of your finger and interact with your Programmable Logic Controllers (PLCs) controlled processes as you never did before. The HMI Editor and HMI apps are fully native and support all major Programmable Logic Controller (PLC) brands.
UniFi Verify
Enhance account security with two-factor authentication. This app generates time-sensitive codes and single-use passwords for logins, providing an extra layer of protection against unauthorized access. It supports multiple accounts across various platforms.
- Two-factor authentication (2FA)
- Time-sensitive verification codes
- Single-use passwords
- Instant QR code setup
- Supports multiple accounts and platforms
- Push notification codes
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Verify gives your accounts an additional layer of security by requiring two-factor authentication (2FA) of each login attempt. With this feature enabled, users will need to provide their password and a time-sensitive verification code generated either in the app or via push notification. Verify can also supply users with a set of single-use passwords that can be stored locally on their phones should they ever need to circumvent an issue with their main 2FA method. Features: - Instant setup via QR code - Supports multiple user accounts and platforms, including Amazon, Facebook, and GitHub - Generates time-sensitive verification codes and single-use passwords either in the app or via push notification - Unlimited account support
Screenshots
Verdict
The clearest difference is price: UniFi Verify at Free against HMI Viewer's $0.99. UniFi Verify also leads on ratings volume (12K vs 4). HMI Viewer's advantage is iOS requirement (15.0 vs 17.0). On rating, update cadence, ads and in-app purchases 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
UniFi Verify is free to download; HMI Viewer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for HMI Viewer against 4.9 for UniFi Verify. That said, the two scores are not equally well evidenced: UniFi Verify has 12K ratings behind it against 4, so its average is the more settled of the two.
HMI Viewer ships an update every 2 months, UniFi Verify every 3 months. Both last shipped on October 24, 2026.
| Parameter | HMI Viewer | UniFi Verify |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | 4.9 (12K ratings) |
| Positive reviews | — | 34.0% of reviews |
| Number of ratings | 4 | 12K — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Maendel | Ubiquiti Inc. |
Customer experience
HMI Viewer
UniFi Verify
Bugs and requests
HMI Viewer
Not enough reviews yet to summarise bugs or requests.
UniFi Verify
Reported bugs
5 issues- Notifications going haywire
- Loses accounts during update
- Never sends push notifications
- Doesn't integrate with UI
- Key not recognised
Requested features
3 requests- Dark mode please
- Push feature and one more thing
- Move UID to replace access as an app so we don't have to login twice
In-app purchases
HMI Viewer
No in-app purchases
UniFi Verify
No in-app purchases
Questions
Is HMI Viewer free?
Is UniFi Verify free?
Which has better reviews, HMI Viewer or UniFi Verify?
Do HMI Viewer or UniFi Verify have ads?
Which is updated more often, HMI Viewer or UniFi Verify?
Other comparisons
