Comparison

SMS io vs GuardNumber

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

Head to head
About

SMS io

This app provides temporary virtual phone numbers to receive SMS verification codes online. It's ideal for sign-ups and account verification without using your personal number, offering a secure and private solution across many countries.

Highlights
  • Receive SMS verification codes online
  • Temporary virtual phone numbers
  • Protect personal number privacy
  • Supports over 160 countries
  • Coin-based pay-as-you-use system
  • Fast and secure SMS delivery
Features
Read full description

SMS io is your trusted virtual SMS app designed to ensure you receive SMS verification codes online with ease. Whether you need a temporary virtual phone number for sign-ups, account verification, protecting your personal number, or for whatever reason on online platforms, SMS io gives you fast and secure access to text verified virtual phone numbers worldwide. With SMS io, you get codes instantly without using your real mobile number. The app is built for speed, privacy, and flexibility, making phone number verification simple and stress-free. SMS io allows you to get SMS code for verification purposes in just a few clicks and almost free of charge. Choose a virtual number, request a code, and receive SMS online instantly inside the app. No physical SIM card required.  VIRTUAL SMS VERIFICATION Easily receive SMS verification codes for account activation, text verification, and phone number verification. SMS io works as a trusted online SMS receiver for different platforms and services that require SMS code verification. UNLIMITED, SECURE, FAST & EASY Using a temp phone number can protect you from spam and unwanted messages. SMS io helps you stay private by using a virtual SMS number for text verification and SMS OTP verification, keeping your real number safe. You can receive unlimited SMS codes to the same number (as long as you have access to it) very fast and easily via our secure app that protects your identity. What can you expect from our E SMS app: - Fast delivery of SMS virtual codes - Secure virtual phone numbers - Simple and user-friendly interface - Reliable SMS verification experience SMS io is optimized to make receiving telephone verification SMS quick and hassle-free. VARIOUS INTERNET PLATFORMS Use SMS io as a 2nd number for verification across different internet services, including texting social media platforms, chat or communication apps, online services, and other websites that require a phone number SMS verification. MORE THAN 160 COUNTRIES Our text verification app supports virtual phone numbers for sms activate from more than 160 countries, including:
United States, Canada, United Kingdom, Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Romania, Czech Republic, Russia, Ukraine, India, Indonesia, Philippines, Mexico, Brazil, and many more. Get a US number, UK number, or other international virtual number easily for SMS verification. COIN-BASED ACCESS The SMS verification number app uses a flexible coin system. You can buy one-time or monthly packages, so you are paying as you use. You don’t have to pay for services you don’t use. - You can buy coins with one-time purchases or in cheap monthly packages - There are no unnecessary subscriptions - Perfect for occasional or frequent virtual SMS code needs - This pay-as-you-use model ensures better value and full control CUSTOMER SUPPORT Our support team is available to help you with any issues related to cell phone SMS receiving, verification codes, or account usage. Our experts are committed to providing a smooth and reliable experience. Our SMS receiver app is ideal for users who need: - A virtual phone number - Temporary phone numbers - SMS OTP verification - Online SMS receiving - Secure text verification Whether you need a second line, a short message service, a temp phone number, or a virtual SMS app for activation and verification, SMS io is the smart choice. Download SMS io today and start receiving SMS verification codes instantly. Support: https://applox.net/smsio/support.html Terms of Use: https://applox.net/smsio/terms.html Privacy: https://applox.net/smsio/privacy.html Eula: https://applox.net/smsio/eula.html

About

GuardNumber

Features
Read full description

GuardNumber, Türkiye'deki spam aramaları ve istenmeyen SMS'leri azaltmak için tasarlanmış ücretsiz bir koruma uygulamasıdır. ARAMA ENGELLEME - Bilinen spam ve dolandırıcı numaralardan oluşan topluluk listesi iOS'a yüklenir; bu numaralardan gelen aramalar engellenir. - Liste düzenli olarak güncellenir ve internet olmadan da çalışır. - Kendi kurallarınızı ekleyin: tek numara ya da "+90850222####" gibi numara aralıkları. SMS FİLTRELEME - Reklam ve dolandırıcılık SMS'leri, cihaz üzerinde çalışan yapay zekâ modeli ve Türkçe anahtar kelimelerle tespit edilip Mesajlar uygulamasında ayrı klasöre alınır. - Doğrulama kodları korunur. - Gönderen, anahtar kelime ve zamanlama içeren kendi kurallarınızı oluşturun. NUMARA SORGULAMA VE BİLDİRİM - Bir numaranın spam olarak bilinip bilinmediğini sorgulayın. - Spam numaraları bildirerek topluluk listesini güçlendirin. GİZLİLİK - SMS'leriniz cihazınızda analiz edilir; içerikleri sunucuya gönderilmez. - Kişi listenize, arama geçmişinize ve telefon numaranıza erişilmez. - Sorguladığınız veya bildirdiğiniz numaralar sunucumuza gönderilir. Sorgulanan numara veritabanımızda yoksa, sonuç için üçüncü taraf bir spam veritabanına (SkipCalls) danışılır. Not: iOS yalnızca listede bulunan numaraları ve kurallarınıza uyan aramaları engelleyebilir; hiçbir uygulama tüm spam aramaları yakalamayı garanti edemez. Gizlilik Politikası: https://guardnumber-api.ssilistre.workers.dev/privacy Kullanım Koşulları: https://guardnumber-api.ssilistre.workers.dev/terms

Screenshots

SMS io4 screens
GuardNumber3 screens

Verdict

The call

The clearest difference is in-app purchases: GuardNumber at none against SMS io's 10. GuardNumber also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). On price, device support and iOS requirement 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. SMS io sells 10 in-app purchases, starting at $3.99 per month. GuardNumber asks for nothing beyond the download.

UpkeepUpdate frequency

SMS io ships an update weekly, GuardNumber every 2 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
SMS io versus GuardNumber: the parameters behind the verdict, then further details
ParameterSMS ioGuardNumber
PriceFreeFree
Rating4.4 (85 ratings) — better—
Positive reviews10.0% of reviews—
Number of ratings85 — better—
Update frequencyWeeklyEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size61 MB12 MB
Age rating4+4+
DeveloperAPPLOXSemih Silistre

In-app purchases

10 purchases

SMS io

Subscriptions5
  • Monthly 4 Credits$3.991 Month
  • SMS Verification - Weekly Lite$3.997 Days
  • Virtual Number: Weekly 8 Credits$7.997 Days
Show 2 more
  • Monthly 8 Credits$7.991 Month
  • Monthly 9 Credits$8.991 Month
One-time5
  • Receive SMS Code: 3 Coins$2.99
  • Get 4 Verification Coins$3.99
  • 5 Coins: SMS Number Code$4.99
Show 2 more
  • 8 Coins to Verify Code$7.99
  • Get 10 SMS Code Coins$9.99
None

GuardNumber

No in-app purchases

Questions

Is SMS io free?
SMS io is free to download, with in-app purchases available.
Is GuardNumber free?
GuardNumber is free to download, with no in-app purchases.
Do SMS io or GuardNumber have ads?
SMS io shows ads; GuardNumber does not.
Which is updated more often, SMS io or GuardNumber?
SMS io ships an update weekly, and GuardNumber every 2 days. Most recently, SMS io was updated on October 31, 2026 and GuardNumber on October 31, 2026.

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