Comparison

dtac OneCall vs M VMS

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

Head to head

dtac OneCall

Stay connected with dtac.

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

dtac OneCall

This cloud-based phone service transforms your devices into a virtual business PBX. It allows you to stay connected for business communications from anywhere, on any device.

Highlights

Cloud-based phone service
Virtual business PBX
Mobile and desktop integration
Stay connected anywhere
Full business communication features

Features

Read full description

dtac OneCall is a cloud-based phone service that turns your mobile devices and desktops into a full virtual business PBX. Stay connected whenever you are with dtac.

About

M VMS

Features

Read full description

ทราบตำแหน่งเรือของท่านด้วยระบบ VMS ของ M VMS Know your vessel position by using M VMS

Screenshots

dtac OneCall4 screens

M VMS4 screens

Verdict

The call

The clearest difference is update cadence: M VMS at weekly against dtac OneCall's every 13 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

dtac OneCall ships an update every 13 months, M VMS weekly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 8 level

dtac OneCall versus M VMS: the parameters behind the verdict, then further details
Parameter	dtac OneCall	M VMS
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 13 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.5	15.0 — better
Further details — not scored
Size	215 MB	78 MB
Age rating	4+	4+
Developer	TRUE CORPORATION PUBLIC COMPANY LIMITED	Nauticomm Company Limited

In-app purchases

None

dtac OneCall

No in-app purchases

None

M VMS

No in-app purchases

Questions

Is dtac OneCall free?

dtac OneCall is free to download, with no in-app purchases.

Is M VMS free?

M VMS is free to download, with no in-app purchases.

Do dtac OneCall or M VMS have ads?

Neither dtac OneCall nor M VMS shows ads.

Which is updated more often, dtac OneCall or M VMS?

dtac OneCall ships an update every 13 months, and M VMS weekly. Most recently, dtac OneCall was updated on October 24, 2026 and M VMS on October 8, 2026.