Comparison

HONGHA ECOCITY vs CT Passkey

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

Head to head

About

HONGHA ECOCITY

Features

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Với mong muốn phục vụ được cộng đồng dân cư tốt hơn, mang lại những trải nghiệm hàng đầu, giúp cho dân cư được tận hưởng các dịch vụ, tiện ích trong khu vực khu Đô thị HỒNG HÀ ECOCITY, ứng dụng HONGHA ECOCITY đã ra đời để biến những mong muốn thành hiện thực, để chăm sóc và phục vụ dân cư được chu đáo và kịp thời hơn. Hãy tìm hiểu và tận hưởng những dịch vụ của chúng tôi

About

CT Passkey

Features

Read full description

CT Passkey is an OTP generator app that helps you log into your online accounts. Scan QR codes to add accounts, store security keys, and generate authentication codes quickly. Protect personal data with advanced encryption technology.

Screenshots

HONGHA ECOCITY4 screens

CT Passkey3 screens

Verdict

The call

The clearest difference is update cadence: CT Passkey at every 9 days against HONGHA ECOCITY's every 3 weeks. HONGHA ECOCITY's advantage is iOS requirement (12.0 vs 15.6). 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

HONGHA ECOCITY ships an update every 3 weeks, CT Passkey every 9 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level

HONGHA ECOCITY versus CT Passkey: the parameters behind the verdict, then further details
Parameter	HONGHA ECOCITY	CT Passkey
Price	Free	Free
Update frequency	Every 3 weeks	Every 9 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	46 MB	40 MB
Age rating	4+	4+
Developer	Hoang Quoc Dong	IT Department, General Department of Taxation of Viet Nam

In-app purchases

None

HONGHA ECOCITY

No in-app purchases

None

CT Passkey

No in-app purchases

Questions

Is HONGHA ECOCITY free?

HONGHA ECOCITY is free to download, with no in-app purchases.

Is CT Passkey free?

CT Passkey is free to download, with no in-app purchases.

Do HONGHA ECOCITY or CT Passkey have ads?

Neither HONGHA ECOCITY nor CT Passkey shows ads.

Which is updated more often, HONGHA ECOCITY or CT Passkey?

HONGHA ECOCITY ships an update every 3 weeks, and CT Passkey every 9 days. Most recently, HONGHA ECOCITY was updated on September 30, 2026 and CT Passkey on October 9, 2026.