UseIRIS vs OnClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UseIRIS
This app enables administrators to send mass notifications via text, voice, or recorded alerts. Recipients can view and listen to recent messages and respond to emergency alerts if the 'needs assistance' feature is enabled.
- Broadcast messages via text, voice, or recorded alerts
- Deliver messages via SMS, phone calls, and email
- View alert delivery reports
- Access last ten received alerts
- Respond to emergency alerts with assistance status
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The UseIRIS App is a turbo companion to the online IRIS mass notification messaging system. Administrators: The App allows system and group administrators to quickly broadcast messages via the IRIS system. The Message admins have the ability to quickly broadcast messages via Text-to-Speech, voice recorded alert or saved alert methods. These messages will then be delivered to the groups via SMS text, phone calls and email, or combinations thereof. Upon sending an alert, admins can quickly view a report summary to see how many alerts have been delivered so far. End Users/Recipients: This App allows users to view and listen to the last ten alerts/messages they have received. If the "needs assistance" feature is activated, it also allows the users to reply to messages, whether or not she or he needs assistance due to an emergency alert.
OnClock
Customize your home screen with unique clock widgets. Choose from designer fonts, personalized gradient colors, and adjustable text sizes. Enhance your widget with a background image for a personalized look.
- 20 designer font types
- Customizable gradient colors
- Adjustable time and date text size
- Background image support
- Home screen widget decoration
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Decorate your home screen with your own clock widget with OnClock. * Supports 20 types of fonts carefully selected by designers. * You can specify the gradient color yourself. * You can adjust the size of the text for the time and date. * Add a background image to create a cool clock widget. [Contact us] momots_works@naver.com https://onclock-official.blogspot.com
Screenshots
Verdict
The clearest difference is price: UseIRIS at Free against OnClock's $0.99. UseIRIS also leads on rating (3.8 vs 2.5) and ratings volume (6 vs 2). OnClock's advantage is update cadence (every 3 weeks vs every 24 months). On 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
UseIRIS is free to download; OnClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
UseIRIS holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 6 and 2 respectively.
UseIRIS ships an update every 24 months, OnClock every 3 weeks. The most recent releases landed on June 2, 2026 and September 7, 2026 respectively.
| Parameter | UseIRIS | OnClock |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.8 (6 ratings) — better | 2.5 (2 ratings) |
| Positive reviews | — | 62.5% of reviews |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 24 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.3 — better | 14.0 |
| Further details — not scored | ||
| Size | 12 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Techradium, Inc. | AHN YOONJI |
Customer experience
UseIRIS
OnClock
In-app purchases
UseIRIS
No in-app purchases
OnClock
No in-app purchases
