Arc+ vs HL365
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arc+
This utility app helps users calculate various dimensions of circular arcs, including radius, length, width, and height. It offers a simple interface where users input two known values to derive the rest. Additional features include a unit converter, result saving, and sharing capabilities.
- Calculate Radius, Length, Width, Height, Tangent
- Input two known values to find others
- Measurement units converter
- Save results to favorites
- Share calculations
Read full descriptionHide full description
Arc+ The Complete Circular Arc Calculator Calculates the Radius, Length, Width (chord), Height, Tangent How it works: Select two known values and type it in text boxes and click on ( = ) to get the required values. Features: Measurement units converter Save your results to a favorite list Share your results with others
HL365
Read full descriptionHide full description
(1) Mobile Content Management for SAFE PASS PLUS 1) Make your own template (Basic & Sample) 2) Make your own content (Camera, Image & Video) 3) Distribute your content to device (Multi-device & Slideshow) (2) Remote Device Control for SAFE PASS PLUS 1) Register and control each device 2) Enable or disable device function a. Face Recognition Mode (ID/Liveness Check/Alarm) b. Quarantine Mode (Fever/Image Display/Alarm) c. Mask Detection d. Enable QR code e. Enable Gate Control 3) Register User / Customer a. Register User Information via Phone (Face etc.) b. Custom Content Setting by User *User Interface (1) Device Management 1) Register Device 1-1) QR Code 1-2) IP Address 2) Device Management a. Device Setting b. Device Operation c. Face Registration d. Customized User Content Management e. Device Information f. Device Monitoring(ScreenShot) (2) Template Management 1-1) Create Template a. Offer Template (Proposal of custom design template for each space) b. Basic Template (Content templates that utilize standard resolution) 1-2) Create / Edit Content 1-3) Apply Template to Device 1-4) Create, edit, and apply template schedules (3) Check History a. Total b. Pass c. Stop (4) App Setting a. App Update b. Alarm Setting c. Open Source License ※ Note You can download more detailed information on this application or SAFE PASS PLUS Device from below link. https://hitachi-lg.com/en/products/safepass/document
Screenshots
Verdict
The clearest difference is in-app purchases: HL365 at none against Arc+'s 1. HL365 also leads on update cadence (every 9 days vs every 4 months). On price, ads, device support and iOS requirement 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. Arc+ sells 1 one-off in-app purchase. HL365 asks for nothing beyond the download.
Arc+ ships an update every 4 months, HL365 every 9 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.
| Parameter | Arc+ | HL365 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (113 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 113 — better | — |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohamed Saad | HITACHI-LG DATA STORAGE, INC. |
In-app purchases
Arc+
- Ad Blocker$4.99
HL365
No in-app purchases









