K5 Alarm vs OPTIC Mobile (Friendly Eagle)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K5 Alarm
This integrated alarm host connects via GSM and Wi-Fi, offering control through phone calls, SMS, or a dedicated mobile app. It supports various accessories like remote controls and door sensors, sending instant notifications to your phone in emergencies.
- GSM + WIFI dual network integration
- Control via phone call, SMS, or app
- Supports remote controls, door sensors, and infrared accessories
- Instant emergency notifications
- 5-inch color screen interface
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K5 is a 5 inch color screen GSM + WIFI dual network integrated alarm host. This is a multi-function alarm, can through the way of telephone or SMS control equipment, can also through the phone APP to control it.Can add the remote control on the equipment, magnetic door, infrared, such as accessories, installation area of the device in the event of an emergency it sets off the alarm at the same time through the APP send notifications to your phone.
OPTIC Mobile (Friendly Eagle)
Access and modify records from the OPTIC server on your mobile device. Create, delete, and update entries, with offline capabilities for data and documents. Sync changes back to the server when connected.
- View and update server records
- Create and delete new records
- Offline data access and saving
- Downloadable documents and SDS
- Customizable download settings
- Syncs with OPTIC Web application
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The mobile app allows retrieval of certain number of records from the OPTIC server to view and update them on the mobile device, then saving those records back to server. New records can be created and existing ones can be deleted as well. If a connection to the OPTIC server cannnot be established, saving is done on device - with the possibility of having them uploaded to server manually or automatically as soon as a connection to server is detected. The records operate with default or or custom layouts (templates), automatically downloaded from the server after a successful login. Documents ("Resources" section) can be downloaded to device for later viewing - while disconnected from the Internet - opening with the default device applications. Similar for SDS (Safety Data Sheet) documents. Please keep in mind that the more data downloaded, the longer the waiting time is going to be. Also, extra data charges may incur from your cell service provider - therefore it is strongly recommended to download while on WiFi, as much as possible. The SETTINGS section allows customization of the volume and frequency of the downloads, as well as resetting the app anytime - with deletion of all locally stored app data, in order to free up storage space. The app complements the OPTIC System Web application and its strongest asset is the ability to operate on records and locally downloaded documents while disconnected from the Internet. For the full set of features it is recommended to use the Web application. To log in, use the same Client ID, User Name and Password which you normally would use in the Web application.
Screenshots
Verdict
The clearest difference is rating: OPTIC Mobile (Friendly Eagle) at 5.0 against K5 Alarm's 3.5. K5 Alarm's advantage is iOS requirement (8.0 vs 12.2). On price, ratings volume, update cadence and ads 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.
OPTIC Mobile (Friendly Eagle) holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
K5 Alarm ships an update fortnightly, OPTIC Mobile (Friendly Eagle) every 3 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | K5 Alarm | OPTIC Mobile (Friendly Eagle) |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 55 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | 传林 方 | FRIENDLY EAGLE SOFTWARE INC. |
Customer experience
K5 Alarm
OPTIC Mobile (Friendly Eagle)
In-app purchases
K5 Alarm
No in-app purchases
OPTIC Mobile (Friendly Eagle)
No in-app purchases
Questions
Is K5 Alarm free?
Is OPTIC Mobile (Friendly Eagle) free?
Which has better reviews, K5 Alarm or OPTIC Mobile (Friendly Eagle)?
Do K5 Alarm or OPTIC Mobile (Friendly Eagle) have ads?
Which is updated more often, K5 Alarm or OPTIC Mobile (Friendly Eagle)?
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