Comparison

Callably vs Spam Zero

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

Head to head
About

Callably

Identify unknown callers and block unwanted calls with automatic caller ID. This app helps you decide whether to answer incoming calls and allows you to block spam or scam numbers based on your criteria. It provides caller information and updates its database regularly.

Highlights
  • Automatic caller ID
  • Spam and scam call blocking
  • Identify unknown callers
  • Block calls by custom criteria
  • Check missed call numbers
  • Regularly updated number database
Read full description

Callably CallerID & Spam Blocker - anonymous call blocking because we don't send your numbers anywhere and have minimal interaction with the network. Callably CallerID & Spam Blocker - is a free automatic caller ID that checks all incoming calls from unknown numbers, so you know exactly whether to answer the phone. The app is designed for modern people who use every possible means of communication. We can identify calls, track your phone number, even identify unknown callers and show you who is calling you. At the time of the call, you'll see the status of the caller on your phone screen and decide for yourself whether to answer or not. You can block the numbers of spam and telephone scammers, as well as any unnecessary numbers by the criteria that you define yourself. Install this application and get access to its functionality: - Number identifier (company name, category, contact information); - Block calls from certain numbers; - Ability to check whose number called you after a missed call; - Constant updates of the base of numbers; - Understandable and user-friendly interface.

About

Spam Zero

Block unwanted spam calls with a vast database of known spammers. This privacy-focused app keeps all blocking data on your device, ensuring your calls and contacts remain private. Enjoy smart protection that distinguishes spam from important calls with an easy setup.

Highlights
  • Block 1M+ known spam numbers
  • Complete privacy, no data collection
  • Device-only call blocking
  • Smart protection for important calls
  • Automatic spam database updates
  • Real-time call blocking
  • Easy setup in minutes
Features
Read full description

Tired of endless spam calls? Spam Zero gives you back control of your phone with powerful, privacy-focused call blocking. KEY FEATURES: • Massive Database: Protection from 1,000,000+ known spam numbers • Complete Privacy: We never see your calls or contacts • Device-Only: All data stays securely on your iPhone • Zero Data Collection: We never track or upload your information • Smart Protection: Blocks spam while letting important calls through • Easy Setup: Get protected in minutes PRIVACY FIRST Your privacy is our foundation. Spam Zero is designed with a strict privacy-first approach: • No access to your personal calls or contacts • All blocking happens directly on your device • No data collection or tracking • No cloud storage of your information POWERFUL PROTECTION • Automatic updates to spam number database • Real-time call blocking • Visual status monitoring • Protection status tracking • Simple, intuitive interface GET STARTED Download Spam Zero today and join thousands of users who've taken back control of their phone calls. Setup takes just minutes, and you'll be protected immediately. SUPPORT Need help? Questions? Contact our support team at hey@getspamzero.com Note: Spam Zero requires iOS call blocking permissions to function. Follow the in-app setup guide to enable all features.

Screenshots

Callably4 screens
Spam Zero4 screens

Verdict

The call

The clearest difference is rating: Spam Zero at 3.1 against Callably's 2.8. Spam Zero also leads on ratings volume (18 vs 5). Callably's advantage is iOS requirement (15.0 vs 17.2). On price, update cadence, ads 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

Spam Zero holds the better App Store score, 3.1 against 2.8. Both are backed by a comparable volume of ratings — 5 and 18 respectively.

UpkeepUpdate frequency

Callably ships an update every 2 days, Spam Zero every 3 days. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Callably versus Spam Zero: the parameters behind the verdict, then further details
ParameterCallablySpam Zero
PriceFreeFree
Rating2.8 (5 ratings)3.1 (18 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings518 — better
Update frequencyEvery 2 days — betterEvery 3 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.2
Further details — not scored
Size37 MB12 MB
Age rating4+4+
DeveloperCAI TI LTDKavun, LLC

Customer experience

Callably

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%

Spam Zero

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

In-app purchases

None

Callably

No in-app purchases

None

Spam Zero

No in-app purchases

Questions

Is Callably free?
Callably is free to download, with no in-app purchases.
Is Spam Zero free?
Spam Zero is free to download, with no in-app purchases.
Which has better reviews, Callably or Spam Zero?
Spam Zero is rated higher. Callably averages 2.8 out of 5 from 5 ratings, while Spam Zero averages 3.1 from 18 ratings.
Do Callably or Spam Zero have ads?
Neither Callably nor Spam Zero shows ads.
Which is updated more often, Callably or Spam Zero?
Callably ships an update every 2 days, and Spam Zero every 3 days. Most recently, Callably was updated on October 7, 2026 and Spam Zero on October 27, 2026.

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