Comparison

Arc+ vs HL365

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

Head to head
About

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.

Highlights
  • Calculate Radius, Length, Width, Height, Tangent
  • Input two known values to find others
  • Measurement units converter
  • Save results to favorites
  • Share calculations
Features
Read 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

About

HL365

Read 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

Arc+3 screens
HL3654 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Arc+ sells 1 one-off in-app purchase. HL365 asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Arc+ versus HL365: the parameters behind the verdict, then further details
ParameterArc+HL365
PriceFreeFree
Rating4.6 (113 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings113 — better—
Update frequencyEvery 4 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size4 MB71 MB
Age rating4+4+
DeveloperMohamed SaadHITACHI-LG DATA STORAGE, INC.

In-app purchases

1 purchases

Arc+

One-time1
  • Ad Blocker$4.99
None

HL365

No in-app purchases

Questions

Is Arc+ free?
Arc+ is free to download, with in-app purchases available.
Is HL365 free?
HL365 is free to download, with no in-app purchases.
Do Arc+ or HL365 have ads?
Neither Arc+ nor HL365 shows ads.
Which is updated more often, Arc+ or HL365?
Arc+ ships an update every 4 months, and HL365 every 9 days. Most recently, Arc+ was updated on October 8, 2026 and HL365 on October 5, 2026.

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