# IRIS Alert vs TÜNKERS

The clearest difference is update cadence: IRIS Alert at every 3 months against TÜNKERS's every 9 months. TÜNKERS's advantage is iOS requirement (15.1 vs 17.6). 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.

IRIS Alert ships an update every 3 months, TÜNKERS every 9 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | IRIS Alert | TÜNKERS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/iris-alert/id993930650/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 18 MB | 25 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rapid Response Emergency Systems](https://appshunter.io/developer/975085793) | [w63 GmbH](https://appshunter.io/developer/1493647641) |

## What reviewers say

### IRIS Alert

[App page](https://appshunter.io/ios/app/iris-alert/id993930650)

This app enables organization members to send and receive critical security alerts, access safety documents, and request assistance. It provides quick access to emergency features like a flashlight and siren, facilitating rapid communication for safety concerns.

**Highlights:** Send and receive security alerts, View safety documents and maps, Request medical or security assistance, Report safety hazards, Flashlight and siren functions

**Features:** macOS Compatibility

**In-app purchases:** none


### TÜNKERS

[App page](https://appshunter.io/ios/app/tunkers/id1611226600)

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

**In-app purchases:** none


## Frequently asked questions

### Is IRIS Alert free?

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

### Is TÜNKERS free?

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

### Do IRIS Alert or TÜNKERS have ads?

Neither IRIS Alert nor TÜNKERS shows ads.

### Which is updated more often, IRIS Alert or TÜNKERS?

IRIS Alert ships an update every 3 months, and TÜNKERS every 9 months. Most recently, IRIS Alert was updated on June 1, 2026 and TÜNKERS on September 17, 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.*