# novaalert vs CALIMA

novaalert and CALIMA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

novaalert ships an update every 3 months, CALIMA every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | novaalert | CALIMA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 324 MB | 46 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Novalink](https://appshunter.io/developer/588964083) | [CALIMA Safety GmbH](https://appshunter.io/developer/1572068667) |

## What reviewers say

### novaalert

[App page](https://appshunter.io/ios/app/novaalert/id1450266876)

**Features:** macOS Compatibility

**In-app purchases:** none


### CALIMA

[App page](https://appshunter.io/ios/app/calima-protect-lone-workers/id1572068665)

This app turns your smartphone into a personal distress signal. It allows users to trigger an alarm manually or automatically in case of falls, immobility, or timed checks. Upon activation, pre-defined emergency contacts receive alerts with location and message details.

**Highlights:** Manual and automatic alarm triggers, Emergency contact alerts via call, SMS, or email, Web-based dashboard for management, GDPR compliant data storage, Meets DGUV requirements, Uses existing business smartphones

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is novaalert free?

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

### Is CALIMA free?

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

### Do novaalert or CALIMA have ads?

Neither novaalert nor CALIMA shows ads.

### Which is updated more often, novaalert or CALIMA?

novaalert ships an update every 3 months, and CALIMA every 2 months. Most recently, novaalert was updated on November 2, 2026 and CALIMA on November 3, 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.*