Bubble Level vs Papera

Ensure Your Surfaces Are Perfectly Horizontal or Vertical with Bubble Level app. There are four modes that you can choose: Circle Level: Simultaneously measure the horizontal and vertical angles. Vertical Level: Ideal for ensuring walls and other vertical surfaces are perfectly vertical. Horizontal Level: Perfect for checking that tables, floors, and other horizontal surfaces are perfectly horizontal. Mix Mode: All-in-one display featuring circle, vertical, and horizontal levels. Lock the Angle: Need to maintain a specific measurement? Use our "Lock the Angle" feature to freeze the current angle. Calibrate for Accuracy: Does your phone case or camera bump interfere with the leveling? Our calibration feature allows you to zero out the readings, ensuring you start from a perfectly horizontal or vertical point. Audible Indicator: Activate the sound function to receive an audio cue when your surface is perfectly horizontal or vertical. Accuracy has never sounded so good! Why Choose our app? User-friendly interface Highly accurate measurements Versatile features for a wide range of applications Handy add-ons like angle locking and calibration Bubble Level app is free. You can use it forever, at no cost. However, Bubble Level does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. ADDITIONAL FEATURES FOR SUBSCRIBED USERS • No Ads • Access the "lock" feature • Access the vertical level, horizontal level, and mix mode. Terms of Use: https://kociapp.github.io/Bubble-Level/term-of-use Privacy Policy: https://kociapp.github.io/Bubble-Level/privacy-policy

Papera turns your physical documents into searchable, actionable digital content — entirely on-device, with zero data collection. - SCAN Capture documents with automatic edge detection, perspective correction, and multi-page batch scanning. Powered by VisionKit for fast, accurate results. - OCR & SEARCH On-device OCR extracts text in English and Vietnamese. Full-text search across all your documents — instantly. AI auto-names your scans. - AI — ON-DEVICE OR CLOUD Apple Intelligence runs entirely offline by default. Optionally connect OpenAI, Anthropic, or Gemini with your own API key. Switch providers anytime. - SMART EXTRACTION AI auto-classifies documents and extracts structured data: • Invoices — vendor, amount, tax, line items • Receipts — store, total, payment method • Contracts — parties, dates, key terms Edit fields inline. Export as JSON or CSV. - CUSTOM PROMPTS Create reusable AI prompt templates for specialized extraction and analysis. - ORGANIZE Folder management with color coding. Grid or list view. Favorites. Adaptive sidebar on iPad. - EXPORT Generate searchable PDFs with invisible text overlay. Share via AirDrop, Mail, or Files. - WIDGETS & SIRI Quick Scan launcher and Recent Documents home screen widgets. Siri Shortcuts integration. - ICLOUD SYNC CloudKit keeps documents in sync across all your devices. - PAPERA PLUS Subscribe to remove all ads and directly support Papera's development. - PRIVACY-FIRST • On-device AI by default — nothing leaves your device • No analytics, no tracking, no data collection • API keys stored in system Keychain • Cloud AI is strictly opt-in • GDPR-compliant ad consent for EEA users Legal: - Privacy Policy: https://papera.tuanle.dev/policy - Terms of Service: https://papera.tuanle.dev/terms - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/