Comparison

OPX vs BigPay Authenticator

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

Head to head
About

OPX

Send money internationally from Singapore, Hong Kong, or Malaysia with competitive exchange rates. Track your transactions, manage your account, and enjoy cash-free transfers with no commission or service fees, subject to conditions.

Highlights
  • International money transfers
  • Competitive currency rates
  • Track transactions
  • Manage account
  • Cash-free transfers
  • No commission/service fees
Features
Read full description

OPX by ONEPIP is your trusted mobile app for fast, secure, and convenient international money transfers. Whether you're sending funds for business or personal needs, OPX makes cross-border payments simple with competitive exchange rates and a seamless transfer experience. Why Choose OPX? โ€ข Send international transfers with ease โ€ข Access competitive, real-time FX rates โ€ข Partnering with major commercial banks and leading liquidity providers โ€ข Supports all major and exotic currencies, including USD, EUR, GBP, RMB, MYR, THB, PHP, IDR, and more โ€ข Track your transactions in real time โ€ข Enjoy cashless, digital payments โ€ข Manage your account anytime, anywhere โ€ข No hidden fees โ€ข Your privacy and security are always our priority ONEPIP is regulated and licensed in Singapore, Hong Kong and Malaysia: - Monetary Authority of Singapore, MAS (PS20200279) - Hong Kong Customs Excise Department, HKMA (HK License No.: 13-12-01330) - Bank Negara Malaysia, BNM (License Serial No. 00842) Download OPX today and start Making Every PIP Count.

About

BigPay Authenticator

Features
Read full description

Designed to support secure access, BigPay Authenticator strengthens account protection on BigPay Biz. It authorises time-based QR codes for transactions and activities to ensure reliable and controlled access to company accounts. - Works seamlessly with BigPay Biz - Functional and reliable QR code scan - Strengthens account protection with multi-factor authentication Built to safeguard transactions and activities across the BigPay Biz ecosystem.

Screenshots

OPX4 screens
BigPay Authenticator4 screens

Verdict

The call

The clearest difference is iOS requirement: BigPay Authenticator at 15.0 against OPX's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OPX ships an update every 8 days, BigPay Authenticator fortnightly. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.

Scorecard1 real difference ยท 7 level
OPX versus BigPay Authenticator: the parameters behind the verdict, then further details
ParameterOPXBigPay Authenticator
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 8 days โ€” betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size135 MB36 MB
Age rating4+17+
DeveloperONEPIP Pte LtdBIG PAY PTE. LTD.

In-app purchases

None

OPX

No in-app purchases

None

BigPay Authenticator

No in-app purchases

Questions

Is OPX free?
OPX is free to download, with no in-app purchases.
Is BigPay Authenticator free?
BigPay Authenticator is free to download, with no in-app purchases.
Do OPX or BigPay Authenticator have ads?
Neither OPX nor BigPay Authenticator shows ads.
Which is updated more often, OPX or BigPay Authenticator?
OPX ships an update every 8 days, and BigPay Authenticator fortnightly. Most recently, OPX was updated on September 28, 2026 and BigPay Authenticator on September 21, 2026.

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