Comparison

MySign vs DC4.0

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

Head to head
About

MySign

This app enables secure remote digital signatures for documents and transactions using your mobile device. It offers easy authentication and approval, meeting European eIDAS and Vietnamese legal standards for digital signatures.

Highlights
  • Remote digital signing
  • Secure document authentication
  • Transaction approval
  • Mobile and tablet support
  • eIDAS compliant
  • Vietnamese legal compliance
Features
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MySign is an authentication and authorization application for Viettel-CA's remote digital signature solution. MySign allows customers to easily authenticate and securely approve document and transaction signatures anytime, anywhere using their mobile phones and tablets. MySign digitally signs remotely according to European eIDAS standards. Major features: -Digitally sign your customers' mobile phones, tablets, and applications. -Easy to use, flexible, anytime, anywhere. -Completely meet the legal requirements for digital signatures in Vietnam.

About

DC4.0

Features
Read full description

DC4.0 - Là nền tảng hỗ trợ quản lý khu dân cư - hộ gia đình với các chức năng nổi bật : -Xem và quản lý cuộc họp -Xem và quản lý công việc -Quản lý hộ dân, cư dân -Quản lý khu phố, ấp -Quản lý văn bản nghị định -Quản lý các chỉ tiêu đánh giá -Quản lý ý kiến đánh giá -Gửi phản ánh -Thông báo, tin tức

Screenshots

MySign4 screens
DC4.04 screens

Verdict

The call

The clearest difference is update cadence: DC4.0 at every 5 days against MySign's every 3 weeks. MySign's advantage is iOS requirement (12.0 vs 15.0). 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

MySign ships an update every 3 weeks, DC4.0 every 5 days. Both last shipped on October 6, 2026.

Scorecard2 real differences · 8 level
MySign versus DC4.0: the parameters behind the verdict, then further details
ParameterMySignDC4.0
PriceFreeFree
Rating2.6 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size317 MB42 MB
Age rating4+17+
DeveloperViettel TelecomVNPT Media Corporation

In-app purchases

None

MySign

No in-app purchases

None

DC4.0

No in-app purchases

Questions

Is MySign free?
MySign is free to download, with no in-app purchases.
Is DC4.0 free?
DC4.0 is free to download, with no in-app purchases.
Do MySign or DC4.0 have ads?
Neither MySign nor DC4.0 shows ads.
Which is updated more often, MySign or DC4.0?
MySign ships an update every 3 weeks, and DC4.0 every 5 days. Most recently, MySign was updated on October 6, 2026 and DC4.0 on October 6, 2026.

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