Comparison

HWM PRISM vs Alarmhandler Sensor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HWM PRISM

Features
Read 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/

About

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.

Highlights
  • Integrates SMS alarm systems
  • Connects IP cameras
  • Utilizes old phones as sensors
  • Unified control via one app
  • DIY security system
Features
Read 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

HWM PRISM3 screens
Alarmhandler Sensor3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
HWM PRISM versus Alarmhandler Sensor: the parameters behind the verdict, then further details
ParameterHWM PRISMAlarmhandler Sensor
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 8 months — betterEvery 34 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.09.0 — better
Further details — not scored
Size38 MB7 MB
Age rating4+4+
DeveloperHWM-Water LtdCompelling Software

In-app purchases

None

HWM PRISM

No in-app purchases

None

Alarmhandler Sensor

No in-app purchases

Questions

Is HWM PRISM free?
HWM PRISM is free to download, with no in-app purchases.
Is Alarmhandler Sensor free?
Alarmhandler Sensor is free to download, with no in-app purchases.
Do HWM PRISM or Alarmhandler Sensor have ads?
Neither HWM PRISM nor Alarmhandler Sensor shows ads.
Which is updated more often, HWM PRISM or Alarmhandler Sensor?
HWM PRISM ships an update every 8 months, and Alarmhandler Sensor every 34 months. Most recently, HWM PRISM was updated on October 19, 2026 and Alarmhandler Sensor on October 24, 2026.

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