# DEM vs Little Green Button

The clearest difference is in-app purchases: DEM at none against Little Green Button's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Little Green Button sells 1 in-app purchase, starting at $204.99 per year. DEM asks for nothing beyond the download.

DEM ships an update every 3 months, Little Green Button every 2 months. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DEM | Little Green Button |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Subscription |
| Size | 1 MB | 60 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Data JAR Ltd](https://appshunter.io/developer/1363593132) | [Little Green Button Limited](https://appshunter.io/developer/1509411090) |

## What reviewers say

### DEM

[App page](https://appshunter.io/ios/app/dem/id1458983220)

**Features:** Vision Pro support

**In-app purchases:** none


### Little Green Button

[App page](https://appshunter.io/ios/app/little-green-button/id1509411091)

This safety companion app acts as a panic button and duress alarm system. It allows users to share alerts with a response group and provides access to a management site for managing subscriptions and user keys.

**Highlights:** Panic button functionality, Duress alarm system, Share alerts with response group, Access to management site, Auto-renewable subscription, Supports up to 4 additional users

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription (Seed) | $204.99 | per year |


## Frequently asked questions

### Is DEM free?

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

### Is Little Green Button free?

Little Green Button is free to download, with in-app purchases available.

### Do DEM or Little Green Button have ads?

Neither DEM nor Little Green Button shows ads.

### Which is updated more often, DEM or Little Green Button?

DEM ships an update every 3 months, and Little Green Button every 2 months. Most recently, DEM was updated on October 25, 2026 and Little Green Button on October 29, 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.*