# GSM+ Second Phone Number vs DUTIG

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.

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.

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.

## The numbers

| Metric | GSM+ Second Phone Number | DUTIG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (762 ratings)](https://appshunter.io/ios/app/gsm-plus-second-phone-number/id1486650699/reviews)** | — |
| Number of ratings | **762** | — |
| Positive reviews | 37.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 111 MB | 20 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Victory](https://appshunter.io/developer/1486650698) | [Charnpipop Buranasamut](https://appshunter.io/developer/1623325510) |

## What reviewers say

### GSM+ Second Phone Number

[App page](https://appshunter.io/ios/app/gsm-plus-second-phone-number/id1486650699)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Canada - Dual Functionality | $9.99 | per month |
| US - (Call+SMS) | $9.99 | per month |
| GB - (Call+SMS) | $9.99 | per month |
| US- Dual Functionality | $14.99 | per month |
| UK - Dual Functionality | $14.99 | per month |
| Auto Credit Tariff #5 | $19.99 | per month |
| Phone number purchase | $3.99 | one-time |
| Phone number purchase | $9.99 | one-time |
| Phone number purchase | $19.99 | one-time |
| Phone number purchase | $39.99 | one-time |

**What reviewers like**

- ⭐ Great app
- 👍 Works well
- 🔥 Excellent service

**What reviewers complain about**

- 🐛 App not working
- 💰 Expensive
- ⚠️ Issues with SMS/calls

**Reported bugs**

- Credits deducted without service
- Numbers becoming inactive quickly

**Requested features**

- Add support for more countries
- Improve customer support


### DUTIG

[App page](https://appshunter.io/ios/app/dutig/id1623325508)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Passcard 30 times/day | $1.99 | per month |
| ใบผ่าน 60 ครั้ง/วัน | $2.99 | per month |
| ใบผ่าน 100 ครั้ง/วัน | $3.99 | per month |
| พื้นที่จัดเก็บ 50GB | $4.99 | per month |
| ใบผ่าน 200 ครั้ง/วัน | $7.99 | per month |
| พื้นที่จัดเก็บ 200GB | $7.99 | per month |
| ใบผ่าน 500 ครั้ง/วัน | $19.99 | per month |
| พื้นที่จัดเก็บ 1TB | $24.99 | per month |
| พื้นที่จัดเก็บ 2TB | $39.99 | per month |
| Residentig - 1 Year | $3.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*