Comparison

Defndr vs YBlock

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

Head to head
About

Defndr

This app acts as an SMS firewall, using on-device AI to detect and block spam, phishing, and scams. It prioritizes user privacy by processing all data locally on your device, ensuring your messages never leave your iPhone. Offers both free and premium features for enhanced protection.

Highlights
  • On-device AI spam detection
  • Phishing and scam blocking
  • Zero-trust privacy
  • Custom keyword blocking
  • Link protection
  • Unlimited custom block lists (Pro)
  • Allow lists for trusted contacts (Pro)
Features
Read full description

Defndr is an SMS firewall that stops spam before it reaches you. On-device machine learning checks every message from unknown senders, blocks phishing and scams, and quietly sorts the rest into the right folder — without sending anything anywhere. Your messages never leave your iPhone. — ZERO-TRUST PRIVACY - 100% on-device processing - No cloud servers - Nothing to sign up for - Your data stays on your device FREE - On-device spam and scam detection - Custom keyword blocking - Protection against shortened and disguised phishing links - Automatic sorting into Transactions, Promotions and Junk - No ads, no data collection DEFNDR PRO - Advanced machine-learning detection for sophisticated scams - Adjustable sensitivity, from lenient to strict - Allow and block lists for senders you choose - Unlimited custom keywords - Detection for suspicious formatting, links and patterns - Custom theme studio with a gradient editor HOW IT WORKS Defndr plugs into iOS Message Filtering and runs silently in the background. Messages from people in your contacts are never touched — only texts from unknown senders are checked, and the verdict is decided entirely on your device. — Web: https://dro1d.org Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy: https://dro1d.org/defndr-privacy.html

About

YBlock

Features
Read full description

Take control of your mobile browsing experience. YBlock is a high-performance content blocker built specifically for Safari on iOS. While standard ad blockers remove banners, YBlock is engineered with a specific focus on video platforms, ensuring your viewing experience is seamless and fluid. Core Features: Advanced Video Filtering: Specialized scripts designed to bypass video advertisements before they load. Privacy First: We don't just block visible ads; we block the trackers hidden behind them. We do not collect or store your browsing history. Data Saver: Reduce your mobile data usage by preventing heavy video commercials from downloading. Lightweight Architecture: Designed to run efficiently in the background without slowing down your device. Optimized For: Video streaming websites on Safari (including YouTube.com) High-traffic news sites with auto-play videos Entertainment blogs Reclaim your screen real estate and your time. Download YBlock today. SUBSCRIPTION INFORMATION YBlock offers a 7-day free trial, after which a subscription is required to continue using the app. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Defndr4 screens
YBlock4 screens

Verdict

The call

Defndr and YBlock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Defndr sells 2 in-app purchases, starting at $14.99 per year and YBlock sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Defndr versus YBlock: the parameters behind the verdict, then further details
ParameterDefndrYBlock
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS18.018.0
Further details — not scored
Size26 MB11 MB
Age rating4+4+
DeveloperDRO1D LABS LIMITEDLinar Zinatullin

In-app purchases

2 purchases

Defndr

Subscriptions1
  • Defndr Premium Yearly14 Days trial$14.991 Year
One-time1
  • Defndr Lifetime Premium Access$34.99
2 purchases

YBlock

Subscriptions2
  • YBlock-Premium7 Days trial$0.991 Month
  • YBlock annual7 Days trial$8.991 Year

Questions

Is Defndr free?
Defndr is free to download, with in-app purchases available.
Is YBlock free?
YBlock is free to download, with in-app purchases available.
Do Defndr or YBlock have ads?
Neither Defndr nor YBlock shows ads.

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