QKey vs EcoQPay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QKey
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This App work hand in hand with our TNC Accelerator Access Control System to provide door access control function. It will allow you to unlock the door through the app when the mobile device is in close proximity with the door controller.
EcoQPay
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EcoQPay offers a secure and efficient way to make payments using QR codes. Scan EcoQPay QR codes and SGQR codes containing embedded payment documents to complete transactions quickly, safely, and conveniently.
Screenshots
Verdict
The clearest difference is iOS requirement: QKey at 11.0 against EcoQPay's 16.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
QKey ships an update every 4 days, EcoQPay weekly. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.
| Parameter | QKey | EcoQPay |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Kimfatt Cheah | Aires A.T Pte Ltd |
In-app purchases
QKey
No in-app purchases
EcoQPay
No in-app purchases
