HWM PRISM vs Alarmhandler Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HWM PRISM
Read full descriptionHide full description
An innovative way to keep track of Deployed, In-Transit and Stored HWM Inventory and Inventory Location. Features include: 1. Safe login into the Datagate system; 2. Rapid scanning of pallets and individual devices; 3. Data instantly updated on Datagate. Associations can be created in as little as 3 steps: 1. Scan the device; 2. Select the account to associate the device to; 3. Update! Please make sure to review our privacy policy: https://www.hwmglobal.com/privacy-policy-mobile-apps/
Alarmhandler Sensor
Transform old phones into a cohesive security system. Integrate SMS alarms, IP cameras, and existing devices into one controllable platform. Offers affordable, DIY security solutions.
- Integrates SMS alarm systems
- Connects IP cameras
- Utilizes old phones as sensors
- Unified control via one app
- DIY security system
Read full descriptionHide full description
Alarmhandler is like no other security system you've seen. It integrates SMS based alarm systems, IP cameras, and old phones of any make into a cohesive alarm system controlled by one app. Do you change phone regularly, then you may have old phones collecting dust? Why not put them into use using the Alarmhandler security system! The phone needs to be connected to the Internet via Wifi or GSM. Make sure that the phone is connected permanently to power and has a stable position using a phone holder of some sort. How to get started: 1) Download the Alarmhandler Sensor app on your old device and launch it - you should see a QR code 2) Download the normal Alarmhandler app on your regular phone 3) On the home screen, tap + bottom right to add a sensor of type 'Old phone' 4) Tap the scan icon to scan the QR code shown on the old phone in the sensor app 5) Finally, tap the Start button in the sensor app to launch camera surveillance Alarmhandler is built by a small team dedicated to bring security that everyone can afford. We publish frequent updates and would love your feedback. Get in touch via our homepage alarmhandler.com, our Facebook page, or tweet us @alarmhandler
Screenshots
Verdict
The clearest difference is update cadence: HWM PRISM at every 8 months against Alarmhandler Sensor's every 34 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HWM PRISM ships an update every 8 months, Alarmhandler Sensor every 34 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | HWM PRISM | Alarmhandler Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months — better | Every 34 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | HWM-Water Ltd | Compelling Software |
In-app purchases
HWM PRISM
No in-app purchases
Alarmhandler Sensor
No in-app purchases
Questions
Is HWM PRISM free?
Is Alarmhandler Sensor free?
Do HWM PRISM or Alarmhandler Sensor have ads?
Which is updated more often, HWM PRISM or Alarmhandler Sensor?
Other comparisons















