SoSIM vs Dolphin Laundry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Dolphin Laundry
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Welcome to Dolphin Laundry App! We are dedicated to providing you with the most convenient laundry experience. With this app, you can: - Find 24-hour Dolphin Laundry stores near you - Select and pay for washers or dryers - Instantly start machines after payment - Enjoy professional pound washing services Perfect for quick washes or big loads. Download and simplify your laundry today!
Screenshots
Verdict
SoSIM and Dolphin Laundry are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | SoSIM | Dolphin Laundry |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Hutchison Telephone Company Limited | Wanico |
In-app purchases
SoSIM
No in-app purchases
Dolphin Laundry
No in-app purchases
Questions
Is SoSIM free?
Is Dolphin Laundry free?
Do SoSIM or Dolphin Laundry have ads?
Which is updated more often, SoSIM or Dolphin Laundry?
Other comparisons
