Comparison

SoSIM vs SmarTone Prepaid

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

Head to head
About

SoSIM

Manage your Hong Kong prepaid SIM card services, including data usage, top-ups, and plan changes. This app allows you to switch between local and travel data, apply for number portability, and access support.

Highlights
  • Enquire data usage and SIM expiry
  • Purchase Hong Kong/Travel data packages
  • Instant top-up functionality
  • Mobile Number Portability (MNP) application
  • eSIM and new number exchange
  • Link to MoneyBack rewards
  • Manage Real Name Registration
Features
Read full description

SoSIM, a Hong Kong prepaid card that enables you to freely switch between using Hong Kong Local or Travel Data. eSIM is available at SoSIM eShop or you can grab a SoSIM everywhere at over 400 stores in Hong Kong too. Manage SoSIM services in SoSIM App anytime and stay connected anywhere in the world. That’s So Simple! SoSIM App: - Enquire data usage/ SIM expiry date - Purchase services (Hong Kong/Travel Data Package) - Instant top-up - Self Help Application of Mobile Number portability (MNP) - Change to eSIM/ Exchange new number - Link to MoneyBack - Referral rewards - Manage Real Name Registration - User Guide/ Online support - JetSO updates SoSIM for an easier life, So Simple! Contact us: www.sosimhk.com

About

SmarTone Prepaid

Features
Read full description

SmarTone – The Powerful Network  All-encompassing support to meet your needs. Introducing the new SmarTone Prepaid - an app designed to provide our users easy access to SIM management and service subscriptions. Everything SmarTone in one tap, check SIM balance, usage record and more anytime, anywhere. Plus, earn extra rewards by topping up with e-wallets. Enjoy 24/7 convenience with SmarTone Prepaid! Top Up Anytime -Top up your SIM via e-wallets to earn extra rewards! Usage Management -Check your SIM balance, data/voice minutes usage, usage record in real time. Plans & Services - Select from an array of mobile plans and subscribe according to your needs. We also have new offers from time to time, download SmarTone Prepaid NOW and embark on the most caring mobile journey!

Screenshots

SoSIM3 screens
SmarTone Prepaid4 screens

Verdict

The call

The clearest difference is iOS requirement: SmarTone Prepaid at 11.0 against SoSIM's 15.6. 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

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard1 real difference · 8 level
SoSIM versus SmarTone Prepaid: the parameters behind the verdict, then further details
ParameterSoSIMSmarTone Prepaid
PriceFreeFree
Rating1.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size47 MB61 MB
Age rating4+4+
DeveloperHutchison Telephone Company LimitedSmarTone Mobile Communications Limited

In-app purchases

None

SoSIM

No in-app purchases

None

SmarTone Prepaid

No in-app purchases

Questions

Is SoSIM free?
SoSIM is free to download, with no in-app purchases.
Is SmarTone Prepaid free?
SmarTone Prepaid is free to download, with no in-app purchases.
Do SoSIM or SmarTone Prepaid have ads?
Neither SoSIM nor SmarTone Prepaid shows ads.
Which is updated more often, SoSIM or SmarTone Prepaid?
SoSIM ships an update every 3 months, and SmarTone Prepaid every 3 months. Most recently, SoSIM was updated on November 11, 2026 and SmarTone Prepaid on November 7, 2026.

Other comparisons