Comparison

GSM+ Second Phone Number vs DUTIG

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

Head to head
About

GSM+ Second Phone Number

Obtain multiple virtual phone numbers from over 40 countries without needing an extra SIM card. Use these numbers for calls, texts, and registrations to protect your personal number's privacy. Enjoy affordable international communication and manage your lines easily.

Highlights
  • Multiple virtual phone numbers
  • Supports 40+ countries
  • No extra SIM card needed
  • Make calls and send SMS/MMS
  • Call recording
  • Voicemail creation
  • Call forwarding
Features
Read full description

Cheap Calls for Business and Personal Use Anywhere, Anytime LOOKING FOR A SEPARATE NUMBER FOR PRIVATE COMMUNICATIONS? GSM+ gives you access to multiple phone lines in 40+ countries for business and personal use, all without needing an extra SIM card. Choose a custom number to make calls, send SMS and MMS, and protect the privacy of your real number. Forget the hassle of buying and swapping SIM cards for different numbers. With GSM+, switching between numbers for calls is quick and effortless! Maintain your international number for as long as you desire, and replenish your GSM+ balance with more minutes and SMS. Enjoy making international calls and texts from a different number at the most affordable rates. Calls worldwide are easy and economical with our in-app currency system. GSM+ is perfect for various scenarios, providing additional numbers to use instead of your real phone number: • Online Marketplaces: Safely post ads and communicate using a temporary number. • Dating: Share an alternative number from GSM+ for new connections, ensuring your privacy. • Business Communications: Use GSM+ as a secondary work number to separate professional and personal calls. • Property Rentals and Car Hiring: Remain anonymous and secure by providing a GSM+ number for public services. • Registrations: Sign up for platforms requiring a phone number, including messengers and social networks, without revealing your personal number. Share your actual phone number only with trusted contacts. For all other purposes, GSM+ is your go-to solution! If you wish, you can keep the application away from curious eyes with a PIN code. Other features of the application; - Number blocking. - Ability to disable incoming calls. - Ability to create Voicemail. - Call forwarding. - Ability to turn on/off recordings. - Ability to stop receiving SMS. - Automatic reply to SMS messages. - Ability to turn on/off notifications. - Credit calculation page. - Transaction history page. - SmsActivate alternative. -------------------- About subscriptions: After starting the subscription, the credit amount of the package you selected will be automatically added into your account during each renewal period. Unused credits will not be carried over to the next subscription term. Subscription period is (one) 1 month. In every period, your subscription renews for the amount of the package you selected. Payment will be charged to your iTunes account during confirmation of purchase. Subscriptions automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of the renewal will be identified as well. Subscriptions may be managed by the user and auto-renewal may be turned off in the user's Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://gsmplus.app/docs/privacy.php , Terms Of Use: https://gsmplus.app/docs/tos.php

About

DUTIG

Features
Read full description

Dutig is a Mobile Security Application that has been developed to enhance the security measures of an area and ensure its safety. We believe that good security is achieved when individuals within an area have a clear understanding of security measures and actively participate in the security system. Therefore, Dutig has developed a security management system through the form of a Mobile Application that provides convenient access for users. It can be easily downloaded and installed on smartphones or tablets. Our service is free from physical security devices and will solely rely on a Mobile Application to facilitate operations among different individuals within the area. This includes individuals of varying importance, ranging from those with the utmost significance to the least. It will be structured as a Group Community, where the access and participation of users within the area will be controlled and verified to ensure authorized membership.

Screenshots

GSM+ Second Phone Number4 screens
DUTIG4 screens

Verdict

The call

The clearest difference is update cadence: GSM+ Second Phone Number at every 3 weeks against DUTIG's every 16 months. DUTIG's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases 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. GSM+ Second Phone Number sells 10 in-app purchases, starting at $9.99 per month and DUTIG sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GSM+ Second Phone Number ships an update every 3 weeks, DUTIG every 16 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
GSM+ Second Phone Number versus DUTIG: the parameters behind the verdict, then further details
ParameterGSM+ Second Phone NumberDUTIG
PriceFreeFree
Rating4.6 (762 ratings) — better—
Positive reviews37.3% of reviews—
Number of ratings762 — better—
Update frequencyEvery 3 weeks — betterEvery 16 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.4 — better
Further details — not scored
Size111 MB20 MB
Age rating4+4+
DeveloperMobile VictoryCharnpipop Buranasamut

Bugs and requests

GSM+ Second Phone Number

Reported bugs

2 issues
  • Credits deducted without service
  • Numbers becoming inactive quickly

Requested features

2 requests
  • Add support for more countries
  • Improve customer support

DUTIG

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

GSM+ Second Phone Number

Subscriptions6
  • Canada - Dual Functionality$9.991 Month
  • US - (Call+SMS)$9.991 Month
  • GB - (Call+SMS)$9.991 Month
Show 3 more
  • US- Dual Functionality$14.991 Month
  • UK - Dual Functionality$14.991 Month
  • Auto Credit Tariff #5$19.991 Month
One-time4
  • Phone number purchase$3.99
  • Phone number purchase$9.99
  • Phone number purchase$19.99
Show 1 more
  • Phone number purchase$39.99
10 purchases

DUTIG

Subscriptions9
  • Passcard 30 times/day$1.991 Month
  • ใบผ่าน 60 ครั้ง/วัน$2.991 Month
  • ใบผ่าน 100 ครั้ง/วัน$3.991 Month
Show 6 more
  • พื้นที่จัดเก็บ 50GB$4.991 Month
  • ใบผ่าน 200 ครั้ง/วัน$7.991 Month
  • พื้นที่จัดเก็บ 200GB$7.991 Month
  • ใบผ่าน 500 ครั้ง/วัน$19.991 Month
  • พื้นที่จัดเก็บ 1TB$24.991 Month
  • พื้นที่จัดเก็บ 2TB$39.991 Month
One-time1
  • Residentig - 1 Year$3.99

Questions

Is GSM+ Second Phone Number free?
GSM+ Second Phone Number is free to download, with in-app purchases available.
Is DUTIG free?
DUTIG is free to download, with in-app purchases available.
Do GSM+ Second Phone Number or DUTIG have ads?
Neither GSM+ Second Phone Number nor DUTIG shows ads.
Which is updated more often, GSM+ Second Phone Number or DUTIG?
GSM+ Second Phone Number ships an update every 3 weeks, and DUTIG every 16 months. Most recently, GSM+ Second Phone Number was updated on November 7, 2026 and DUTIG on November 3, 2026.

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