Defndr vs YBlock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
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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
YBlock
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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
Verdict
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
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.
| Parameter | Defndr | YBlock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 26 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | DRO1D LABS LIMITED | Linar Zinatullin |
In-app purchases
Defndr
- Defndr Premium Yearly14 Days trial$14.991 Year
- Defndr Lifetime Premium Access$34.99
YBlock
- YBlock-Premium7 Days trial$0.991 Month
- YBlock annual7 Days trial$8.991 Year









