Comparison

Just Content Mobile Security vs Crumblr

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

Head to head
About

Just Content Mobile Security

Enhance your mobile security with an ad blocker, spam SMS filter, and call blocking. It also checks for software updates and ensures your device has a passcode enabled for comprehensive protection.

Highlights
  • Ad and tracker blocking
  • Spam and phishing SMS filtering
  • Unwanted call blocking
  • Software update alerts
  • Passcode enforcement
  • On-device AI for threat detection
Features
Read full description

Total Security for iPhone, iPad. 1. AD BLOCKER Just Content comes with 5 content blockers (250K blocking rules) for keeping your web browsing safe from ads and trackers. 2. SMS FILTER Just Content message filtering extension detects spam, phishing and unwanted SMS messages and moves junk messages to the SMS Junk folder in Messages. Protects you from phishing scams, malware, suspicious content, fake news web links in messages from unknown senders. 3. CALL BLOCKING Stop all unwanted, unsolicited SMS and MMS messages, spam phone calls on your devices. Say goodbye to annoying notifications! 4. LATEST iOS Get alerted when you’re software is out-of-date 5. PASSCODE CHECK Ensure you always setup a passcode to access your device. Use our on-device AI to detect and identify dangerous messages and calls. Our technology stack includes tensorflow, Apple’s CoreML and IdentityLookup frameworks. Our machine learning models have been extensively trained with datasets of hundreds of thousands of messages across carriers from many countries. We are constantly training for only one thing - fast and accurate filtering. Keep a blocklist of annoying phone numbers. You have full control over the filtering experience. Features - * Device Checks - OS, Passcode * 24/7 real-time protection from robocalls, telemarketers, spam calls, phishing calls * PhishTank integration for the best phishing protection * Spam and junk SMS will now be moved to SMS Junk folder in Messages * Maintain blocklists and whitelists of phone numbers for full control * Block unsafe ads, trackers, malware, phishing sites, adult sites, distractions and social media, fake news, gambling sites while browsing the web * Monitor you data usage on wifi and cellular * Easily maintain website whitelists with Safari Extension * Brand new design ready for latest iPhones and iPads - dark mode ready! * Universal iOS app for iPhone, iPad and iPod Touch CONTACT On twitter, we are @JustTheContent. On the web, we are at https://justthecontent.com Mail us your feedback at support@justthecontent.com.

About

Crumblr

This utility app enhances your web browsing experience by automatically blocking intrusive cookie banners, popups, and other unwanted elements directly within Safari. It offers easy setup and customizable configurations to tailor your browsing to be annoyance-free and lighter.

Highlights
  • Blocks cookie banners
  • Removes popups
  • Hides social media buttons
  • Disables app banners
  • Removes widgets
  • Customizable filter lists
  • Works within Safari
Features
Read full description

Crumblr is a nuisance blocker/remover for iPhone & iPad. Wether that is: cookie banners, popups, widgets and more. It allows you to remove those unwanted parts from your web-navigation in Safari. EASY TO USE Crumblr blocks those annoyances on the web. It works directly within Safari. Therefore, you can continue browsing as you used to before, now without the ads. Just download Bolt, launch it once to set it up in a matter of seconds. Enjoy a annoyance-free, lighter web. CUSTOM CONFIGURATION Crumblr will download a configuration in order to block the annoyances based on several filter lists. From there you will be able to choose a more specific configuration in order to block exactly what you want: 1. Cookie banners 2. Popups 3. Social media buttons 4. App banners 5. Widgets 6. Irritating elements UPDATES You are able to retrieve up-to-date filter lists directly within the application. If you have any suggestion, don't hesitate to leave a comment on the AppStore! You want to block ads? Check out my other app Bolt!

Screenshots

Just Content Mobile Security4 screens
Crumblr3 screens

Verdict

The call

The clearest difference is update cadence: Crumblr at every 3 weeks against Just Content Mobile Security's every 2 months. Just Content Mobile Security's advantage is ratings volume (70 vs 19) and iOS requirement (13.0 vs 16.6). On price, rating, review sentiment and ads 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

On the App Store both sit at effectively the same score — 4.4 for Just Content Mobile Security against 4.2 for Crumblr. Both are backed by a comparable volume of ratings — 70 and 19 respectively. Written reviews are what separate them: 75% of Just Content Mobile Security's written reviews are positive against 70% of Crumblr's.

UpkeepUpdate frequency

Just Content Mobile Security ships an update every 2 months, Crumblr every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Just Content Mobile Security versus Crumblr: the parameters behind the verdict, then further details
ParameterJust Content Mobile SecurityCrumblr
PriceFreeFree
Rating4.4 (70 ratings) — better4.2 (19 ratings)
Positive reviews75.0% of reviews — better70.4% of reviews
Number of ratings70 — better19
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS13.0 — better16.6
Further details — not scored
Size15 MB4 MB
Age rating4+4+
DeveloperKrishna KumarLuca Champoussin

Customer experience

Just Content Mobile Security

All ratings68 ratings
Positive83.8%
Neutral4.4%
Negative11.8%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Crumblr

All ratings19 ratings
Positive78.9%
Neutral0.0%
Negative21.1%
Written reviews27 reviews
Positive70.4%
Neutral0.0%
Negative29.6%

In-app purchases

None

Just Content Mobile Security

No in-app purchases

None

Crumblr

No in-app purchases

Questions

Is Just Content Mobile Security free?
Just Content Mobile Security is free to download, with no in-app purchases.
Is Crumblr free?
Crumblr is free to download, with no in-app purchases.
Which has better reviews, Just Content Mobile Security or Crumblr?
Just Content Mobile Security is rated higher. Just Content Mobile Security averages 4.4 out of 5 from 70 ratings, while Crumblr averages 4.2 from 19 ratings.
Do Just Content Mobile Security or Crumblr have ads?
Neither Just Content Mobile Security nor Crumblr shows ads.
Which is updated more often, Just Content Mobile Security or Crumblr?
Just Content Mobile Security ships an update every 2 months, and Crumblr every 3 weeks. Most recently, Just Content Mobile Security was updated on November 1, 2026 and Crumblr on November 3, 2026.

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