Comparison

GIANT vs Second eSIM

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

Head to head
About

GIANT

Access high-speed mobile data and SMS in over 200 countries with flexible, no-contract eSIM plans. Save on roaming charges and earn rewards while staying connected globally.

Highlights
  • eSIM mobile data and SMS
  • Coverage in 200+ countries
  • No contract, pay-as-you-go
  • Save on international roaming
  • Earn rewards with purchases
  • Keep your existing phone number
Features
Read full description

Get high speed, flexible, no-contract mobile data and SMS at unbeatable prices. Get roaming data and stay connected in 200+ countries so you’ll never be without data in a foreign country again. GIANT allows you to save on international cellular data roaming with eSIM plans and earn in just a few minutes from GIANT Shop, connect. What is GIANT best for? GIANT is best for frequent travelers, digital nomads, and business travelers who need high-speed, flexible, and affordable mobile data and SMS without being tied to long-term contracts. The eSIM plans offered by GIANT provide data roaming in over 200 countries and allow users to easily switch between different networks. Additionally, by using GIANT, users can save on international cellular data roaming charges and earn rewards through the GIANT Shop program. How much does it cost? * GIANT eSIMs data prices start as low at $4.50 * Earn GIANT rewards with every purchase * Earn rewards when you refer friends and family Why choose the GIANT eSIM App? # Connect instantly with the power of eSIM # Global coverage in 200+ countries and regions # No contract or hidden fees - pay-as-you-go with prepaid eSIMs # Connect to the best networks including AT&T, Vodafone, Telefonica, Vodacom, and others # Keep your phone number for talk and text - connect to the internet with GIANT # Top-up expired plans without having to reinstall new eSIM What is an eSIM? An eSIM is a virtual SIM. It allows you to automatically connect to a mobile network without a SIM card. eSIMs are more secure (can’t be stolen!) and more convenient (no more swapping SIMs!) than SIMs. Does my device support eSIM? - GIANT supports any eSIM compatible device for virtual sim. That includes smartphones like the iPhone, Google Pixel, Samsung Galaxy S22, and many others. It also includes tablets such as cellular-enabled iPads and the Microsoft Surface Pro. Lastly, most wearables are eSIM-compatible, for example the Apple Watch, Samsung Galaxy Watch, and others. To check if your device is eSIM-compatible, just complete the step-by-step guide https://giant.app.link/e/74ktUcJRpvb. Does an eSIM come with a phone number? - No. You can use your existing phone number for talk and text. eSIMs from GIANT provide affordable access to the internet on your mobile device, perfect for maps and messaging while you’re abroad. Buy now and activate your plan before you travel. Plans can be activated any time within 6 months from purchase. Earn rewards with every purchase. Refer to your friends and family to earn even more! You can also gift cellular data to your friends and family and keep earning the rewards. Traveling to more than one country? GIANT also offers global plans and multi-country regional plans for Africa, Asia, Caribbean, Europe, and Latin America --- Visit https://app.giantprotocol.org for more information. Privacy Policy: https://giantprotocol.org/privacy/ Terms & Conditions: https://giantprotocol.org/tos/

About

Second eSIM

Get prepaid mobile data and a second phone number for international travel. Avoid roaming charges with eSIM technology, offering contactless installation and coverage in over 160 countries. Use it for social media or subscriptions without contracts or hidden fees.

Highlights
  • Prepaid mobile data for travel
  • Second phone number (eSIM)
  • Contactless installation within 5 minutes
  • Coverage in 160 countries
  • Save up to 90% on roaming charges
  • No contract or hidden fees
Features
Read full description

Second eSIM & Phone Number for travelers. Prepaid mobile data for travel. No contract, no hidden fees, no unexpected roaming charges. Get your eSIM contactlessly within 5 mins. Easy installation via QR code. What is eSIM? eSIM is an embedded SIM technology. You can think of it as a digital SIM card. All its features are the same as the physical sim card, but much easier to deliver and manage. It will take a total of 2 minutes to get e-sim from the application and install it on your phone. A second phone number (eSIM) and internet line valid in 160 countries and 3000 cities. Use it as a second number for social media or subscription processes. You can save up to 90% on roaming when traveling abroad, because roaming is completely free. Terms of Use : https://sites.google.com/view/secondsim/ana-sayfa/terms Privacy Policy : https://sites.google.com/view/secondsim/ana-sayfa/privacy_policy

Screenshots

GIANT3 screens
Second eSIM4 screens

Verdict

The call

The clearest difference is review sentiment: GIANT at 85% against Second eSIM's 0%. GIANT also leads on rating (4.5 vs 3.0) and ratings volume (1.2K vs 2). Second eSIM's advantage is in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.0). On price, ads 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. GIANT sells 10 in-app purchases, starting at $29.99 per month. Second eSIM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GIANT holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: GIANT has 1.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of GIANT's written reviews are positive against 0% of Second eSIM's.

UpkeepUpdate frequency

GIANT ships an update every 3 weeks, Second eSIM every 2 months. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

Scorecard7 real differences · 3 level
GIANT versus Second eSIM: the parameters behind the verdict, then further details
ParameterGIANTSecond eSIM
PriceFreeFree
Rating4.5 (1.2K ratings) — better3.0 (2 ratings)
Positive reviews84.6% of reviews — better0.0% of reviews
Number of ratings1.2K — better2
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size73 MB107 MB
Age rating4+4+
DeveloperShareG, IncSecgin LLC

Customer experience

GIANT

All ratings1,164 ratings
Positive86.3%
Neutral5.3%
Negative8.4%
Written reviews214 reviews
Positive84.6%
Neutral4.7%
Negative10.7%

Second eSIM

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

GIANT

Reported bugs

3 issues
  • Purchased credits not showing up in the app
  • App not working on certain flights/airlines
  • Inability to connect to inflight WiFi

Requested features

3 requests
  • Free trial period before purchase
  • Ability to share/gift credits with others
  • Integration with more airline WiFi providers

Second eSIM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

GIANT

Subscriptions7
  • 7,500 Credits - Inflight Wifi$29.991 Month
  • 12,500 Credits - Inflight Wifi$49.991 Month
  • 25,000 Credits - Inflight Wifi$99.991 Month
Show 4 more
  • 140 USG - Inflight Wifi$129.991 Month
  • 45,000 Credits - Inflight Wifi$149.991 Month
  • 180 USG - Inflight Wifi$149.991 Month
  • eSIM Mobile Data Plan$199.991 Month
One-time3
  • Wificoin Lite: In flight Wifi$9.99
  • Wificoin Super - inflight$19.99
  • Wificoin Ultra - Inflight$39.99
None

Second eSIM

No in-app purchases

Questions

Is GIANT free?
GIANT is free to download, with in-app purchases available.
Is Second eSIM free?
Second eSIM is free to download, with no in-app purchases.
Which has better reviews, GIANT or Second eSIM?
GIANT is rated higher. GIANT averages 4.5 out of 5 from 1.2K ratings, while Second eSIM averages 3.0 from 2 ratings.
Do GIANT or Second eSIM have ads?
Neither GIANT nor Second eSIM shows ads.
Which is updated more often, GIANT or Second eSIM?
GIANT ships an update every 3 weeks, and Second eSIM every 2 months. Most recently, GIANT was updated on October 13, 2026 and Second eSIM on September 24, 2026.

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