Comparison

QuizScreen vs Jabba XMPP

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

Head to head
About

QuizScreen

Transform screen time into learning with this app that blocks distracting apps until you answer AI-generated quiz questions. Choose from over 60 subjects and customize difficulty levels. Offers offline capability and progress tracking.

Highlights
  • Personalized quiz creation
  • Flexible app blocking
  • AI-powered questions
  • Offline capability
  • Progress tracking
  • Smart app blocking via iOS Screen Time
Features
Read full description

Turn distracting screen time into a moment of learning with QuizScreen. QuizScreen lets you choose distracting apps to block. When you want to open one, complete a short quiz to unlock it for your selected duration. Blocking is powered by Apple's Screen Time frameworks, and your selected app tokens remain private to the system. HOW IT WORKS 1. Authorize Screen Time access. 2. Choose the individual apps you want QuizScreen to block. 3. Tap a blocked app inside QuizScreen and complete a short quiz. 4. Unlock the app for 15 minutes, 30 minutes, 1 hour, 1 day, or permanently. 5. Finite unlocks are automatically re-blocked when their time expires. FREE FEATURES • Core app blocking with no unlock limit • Every unlock duration • More than 100 randomized offline questions • General Knowledge, Math, English, and History quiz packs • Basic streak and completion totals • No account required QUIZSCREEN PREMIUM Premium adds optional learning tools: • AI-generated quiz questions • Custom quiz topics and difficulty • Create, edit, and activate custom quizzes • Detailed quiz history • Achievements and advanced progress insights Your saved custom quizzes remain visible if Premium expires and become editable again when access is restored. DESIGNED FOR FOCUS • Explicit app selection keeps blocking understandable and predictable • Built-in quizzes work without an internet connection • Screen Time authorization status and subscription controls remain accessible in Settings • Dynamic Type, VoiceOver labels, and Reduce Motion support • Your quiz history and preferences are stored locally on your device PRIVACY QuizScreen does not require an account and does not sell personal information. Screen Time selections are handled using Apple's privacy-preserving Family Controls framework. Premium AI requests send the selected quiz topic and difficulty to OpenRouter to generate questions. QuizScreen also uses RevenueCat for subscription management, Firebase Remote Config for app configuration, and Bugsnag for crash diagnostics. See our Privacy Policy for details. REQUIREMENTS • iOS 17 or later • Screen Time authorization is required for app blocking • Internet access is required for AI-generated questions and subscription operations; built-in quizzes work offline Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can restore purchases and manage your subscription from QuizScreen Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.quizscreen.app/privacy

About

Jabba XMPP

Features
Read full description

Jabba is a native XMPP client built for iPhone and iPad — Messages-quality interaction on top of an open, federated protocol you don't have to trust one company to run. Bring your own account on any standards-compliant XMPP server (or self-host one) and get: - One-to-one and group conversations, with typing indicators, delivery and read receipts - Message reactions, replies with quoting, live editing, and delete/retraction - Group chats (MUC) with roles, admin controls, and room discovery - Photos, files, and voice notes - Contact requests, presence, and blocking - Push notifications, including a rich notification service extension - Light and dark mode, full VoiceOver and accessibility support Jabba speaks the same open protocol as every other serious XMPP client - no vendor lock-in, no proprietary backend, no ads.

Screenshots

QuizScreen4 screens
Jabba XMPP4 screens

Verdict

The call

The clearest difference is in-app purchases: Jabba XMPP at none against QuizScreen's 2. QuizScreen's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. QuizScreen sells 2 in-app purchases, starting at $3.99 per 7 days. Jabba XMPP asks for nothing beyond the download.

Scorecard2 real differences Ā· 6 level
QuizScreen versus Jabba XMPP: the parameters behind the verdict, then further details
ParameterQuizScreenJabba XMPP
PriceFreeFree
Positive reviews60.0% of reviews—
Update frequencyEvery 8 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size18 MB39 MB
Age rating4+4+
DeveloperWebnyl LLCCAMERON JAMES DANIEE

In-app purchases

2 purchases

QuizScreen

Subscriptions2
  • Weekly Subscription7 Days trial$3.997 Days
  • Yearly7 Days trial$89.991 Year
None

Jabba XMPP

No in-app purchases

Questions

Is QuizScreen free?
QuizScreen is free to download, with in-app purchases available.
Is Jabba XMPP free?
Jabba XMPP is free to download, with no in-app purchases.
Do QuizScreen or Jabba XMPP have ads?
Neither QuizScreen nor Jabba XMPP shows ads.

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