# UseIRIS vs Art Sentry

The clearest difference is update cadence: Art Sentry at every 3 months against UseIRIS's every 24 months. UseIRIS's advantage is iOS requirement (10.3 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

UseIRIS ships an update every 24 months, Art Sentry every 3 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | UseIRIS | Art Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/useiris/id1363192543/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 12 MB | 6 MB |
| Requires iOS | **10.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Techradium, Inc.](https://appshunter.io/developer/1363192542) | [Acuity-vct, Inc.](https://appshunter.io/developer/901921616) |

## What reviewers say

### UseIRIS

[App page](https://appshunter.io/ios/app/useiris/id1363192543)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Art Sentry

[App page](https://appshunter.io/ios/app/art-sentry/id1569865224)

**In-app purchases:** none


## Frequently asked questions

### Is UseIRIS free?

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

### Is Art Sentry free?

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

### Do UseIRIS or Art Sentry have ads?

Neither UseIRIS nor Art Sentry shows ads.

### Which is updated more often, UseIRIS or Art Sentry?

UseIRIS ships an update every 24 months, and Art Sentry every 3 months. Most recently, UseIRIS was updated on September 28, 2026 and Art Sentry on October 1, 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.*