Comparison

OpenSpam vs WiFi Calling

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

Head to head
About

OpenSpam

This app identifies and blocks unwanted calls using a community-powered database and a risk score algorithm. It offers customizable blocking levels and ensures user privacy by not collecting personal data or accessing contacts for commercial purposes.

Highlights
  • Instant call identification
  • Customizable blocking levels
  • Community reporting
  • Built-in search for suspicious numbers
  • Allowlist for trusted numbers
  • Ad-free experience
Read full description

Reclaim your peace of mind with the official OpenSpam.es app. OpenSpam is the ultimate solution to identify and block unwanted calls. Born from the collective frustration with telephone harassment, we have created a 100% free, transparent, and ethical tool. No ads, no hidden purchases, and most importantly, no selling your data. TOTAL TRANSPARENCY AND PRIVACY Unlike other apps, OpenSpam doesn’t need to know who you are or access your contacts for commercial purposes. Guaranteed Privacy: We do not collect personal data. Your reports are anonymous. Ad-free: A clean interface, designed solely to protect you. Proprietary Database: We do not rely on third parties. We use the public and documented OpenSpam.es API, powered by an active community. INTELLIGENT AND SECURE PROTECTION Our reputation algorithm analyzes reports and search trends to assign a "Risk Score" to every unknown number. Blocking Levels: You are in control. Choose between Mild, Balanced, or Aggressive protection according to your needs. Safety for your Contacts: OpenSpam is safe. We will never block a number saved in your contacts or one you have recently interacted with; we will simply alert you if it has negative reports. Silent Updates: The database updates automatically in the background. We will only send notifications if it is truly important. No disturbances. KEY FEATURES: Instant Identification: Know who is calling before you pick up. Detect Spam, Fraud, or aggressive Telemarketing. Built-in Search: Got a suspicious missed call? Check it in the app before calling back. Community Reporting: Help others by reporting toxic numbers. When one person reports, we all benefit. Allowlist: Easily manage your exceptions and trusted numbers. JOIN THE RESISTANCE AGAINST SPAM OpenSpam is a project created by users, for users. We believe peace of mind shouldn't come with a price tag or cost you your privacy. Download OpenSpam today and say goodbye to interruptions. Free. Secure. For everyone.

About

WiFi Calling

This app allows two devices on the same Wi-Fi network to communicate directly via voice, video, and text without needing a SIM card, mobile signal, or internet connection. It functions as a private intercom system, ideal for areas with poor reception or for connecting devices without cellular plans.

Highlights
  • Direct Wi-Fi voice calls
  • Local network video calls
  • In-call text messaging
  • Live radar screen
  • QR code instant pairing
  • Privacy-focused, no servers
  • Hotspot compatibility
Features
Read full description

Turn any Wi-Fi network into your own private phone line. WiFi Calling - No Internet lets two phones on the same Wi-Fi talk directly to each other. No SIM card. No mobile signal. No data plan. No internet connection. Your voice never leaves the local network. HOW IT WORKS 1. Install the app on both phones. 2. Connect both to the same Wi-Fi network or hotspot. 3. Open the app. Each phone appears on the other's radar. Tap a name and call. No account. No phone number. No sign-up. Nothing to configure. WHAT YOU CAN DO - Clear voice calls over your local network - Video calls when you want to be seen - Send text messages during a call, or on their own - See everyone nearby on a live radar screen - Connect instantly by scanning a QR code - Set a display name and photo that others see - Review your call history and past conversations - Light and dark themes NO ROUTER? NO PROBLEM Turn on Personal Hotspot on one phone and let the other join it. You get the same direct calling with no router, no broadband, and no SIM in either phone. PERFECT FOR - Buildings with no mobile signal: basements, warehouses, hospitals, workshops - Farms, building sites and large properties that need a simple intercom - Homes where children or older relatives have a phone but no plan - Hotels and hostels abroad, instead of paying roaming charges - Camping and remote trips, using one phone as the hotspot - Spare phones and tablets with no SIM, turned into handsets BUILT FOR PRIVACY Calls, video and messages travel straight between the two devices across your own network. Nothing is routed through our servers, because there are no servers. Your contacts never leave your phone. There is no account to create and nothing to leak. WHAT YOU NEED - Both people need the app installed - Both devices must be on the same Wi-Fi network or hotspot - Some public and workplace networks block device-to-device traffic. If yours does, open Connect and pair the two phones by QR code instead This app connects devices to each other over Wi-Fi. It does not dial ordinary phone numbers and is not a replacement for your mobile carrier. From SCB Tech Solution.

Screenshots

OpenSpam4 screens
WiFi Calling4 screens

Verdict

The call

The clearest difference is rating: OpenSpam at 3.9 against WiFi Calling's 1.0. OpenSpam also leads on ads (none vs shown) and ratings volume (10 vs 1). WiFi Calling's advantage is update cadence (every 2 days vs every 3 weeks) and monetization model (ad-supported vs paid). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OpenSpam holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: OpenSpam has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

OpenSpam ships an update every 3 weeks, WiFi Calling every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
OpenSpam versus WiFi Calling: the parameters behind the verdict, then further details
ParameterOpenSpamWiFi Calling
PriceFreeFree
Rating3.9 (10 ratings) — better1.0 (1 ratings)
Positive reviews25.0% of reviews—
Number of ratings10 — better1
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size19 MB70 MB
Age rating4+4+
DeveloperJoaquin GarciaSusan Chikanbanjar

Customer experience

OpenSpam

All ratings10 ratings
Positive70.0%
Neutral10.0%
Negative20.0%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

WiFi Calling

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

OpenSpam

No in-app purchases

None

WiFi Calling

No in-app purchases

Questions

Is OpenSpam free?
OpenSpam is free to download, with no in-app purchases.
Is WiFi Calling free?
WiFi Calling is free to download, with no in-app purchases.
Which has better reviews, OpenSpam or WiFi Calling?
OpenSpam is rated higher. OpenSpam averages 3.9 out of 5 from 10 ratings, while WiFi Calling averages 1.0 from 1 ratings.
Do OpenSpam or WiFi Calling have ads?
WiFi Calling shows ads; OpenSpam does not.
Which is updated more often, OpenSpam or WiFi Calling?
OpenSpam ships an update every 3 weeks, and WiFi Calling every 2 days. Most recently, OpenSpam was updated on October 25, 2026 and WiFi Calling on October 24, 2026.

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