Crystal Alarm vs ForestLink
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Crystal Alarm
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Crystal Alarm offers a personal alarm as an app for professional use. Quickly send alarms to colleagues or to an alarm central by simply pushing a button. The personal alarm app offers several solutions to strengthen the safety of lone work and where staff run risk of threatening situations. Help is only a button away and Crystal Alarm is there as an extra safety in your pocket wherever you go. Crystal Alarm has been around since 2012 and is continuously being developed. The personal alarm is soon used by 10,000 users within the train sector, municipalities, and forestry companies to name a few. Unique Alarm Function Pressured situations can arise quickly. With Crystal Alarm you can call for help directly through the app. You donβt need any other equipment other than your phone that you are already used to having charged and at your disposal every day. Proven Safety With help from leading technology for positioning systems, Crystal Alarm can retrieve your location regardless if you are outside or inside when you trigger an alarm. You can feel safe knowing that help is on its way thanks to secure operating and communication via SMS and mobile internet. The system is well proven and every day thousands of users feel safer thanks to Crystal Alarm. Crystal Alarm never traces the user without the user triggering the alarm. Functions Besides offering an easy way to send out alarms, Crystal Alarm also offers other functions. Functions such as timer alarm, alarm via Bluetooth button, safe return and possibility for the alarm central to listen in on the alarm, all contribute to a safer working environment. The system can be controlled from the web-based platform Self-service portal. This means that you can tailor your alarm and its functions to suit the work environment and the staffβs needs. Flexible Alarm Paths Crystal Alarm offers flexible alarm paths. The alarm can go to colleagues in a chosen group, to your company's own alarm central or directly to a national alarm central. Continuous Updates Crystal Alarm is constantly being updated and developed. New functions and services are added continuously, information about new updates can be found on www.crystalalarm.com. Crystal Alarm only use the GPS in the event of an alarm. Continued use of GPS running in the background can dramatically decrease battery life.
ForestLink
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With this app, users on ForestLink can view and manage their forestry assignments.
Screenshots
Verdict
The clearest difference is update cadence: ForestLink at weekly against Crystal Alarm's every 3 months. Crystal Alarm's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crystal Alarm ships an update every 3 months, ForestLink weekly. Both last shipped on September 17, 2026.
| Parameter | Crystal Alarm | ForestLink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Weekly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 12.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 48 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Crystal Alarm AB | Forestlink AB |
In-app purchases
Crystal Alarm
No in-app purchases
ForestLink
No in-app purchases





