Comparison

Watts Vision vs Notion CSV sync

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

Head to head
About

Watts Vision

Control your home's heating, lighting, and electrical appliances with an intelligent smart home system. Manage hydronic and electric underfloor heating, radiators, and more from your devices.

Highlights
  • Smart home system
  • Control heating (hydronic/electric)
  • Control lighting
  • Control electrical appliances
  • Remote management
Features
Read full description

Visionยฎ is an intelligent Smart Home system which is designed to control both hydronic and electric underfloor and radiator heating, lighting and other electrical appliances.

About

Notion CSV sync

Features
Read full description

Notion CSV sync makes it simple to import and update your Notion databases from CSV files with professional-grade control over your data. Whether you're migrating data, maintaining a product catalog, or keeping records up to date, this app provides the advanced tools you need for precise data management. WHAT MAKES THIS DIFFERENT While Notion offers basic CSV import, Notion CSV sync provides advanced filtering and control that transforms how you work with data. Test syncs with sample rows before committing. Remove duplicates automatically. Filter by specific criteria. Select exact row ranges. This level of precision is essential for real-world data management. ADVANCED ROW FILTERING Row Range Selection - Import specific ranges like rows 1-100 or 500-1000, perfect for batch processing or targeting specific sections Column-Based Filtering - Apply sophisticated conditions including equals, contains, starts with, ends with, is empty, and more. Chain multiple filters for precise control Duplicate Removal - Automatically detect and remove duplicates based on any column, with case sensitivity options and choice of keeping first or last occurrence Sample Testing - Import every Nth row to test your configuration with representative data before running a full sync Combined Filtering - Mix and match methods to create exactly the data subset you need SMART COLUMN MAPPING Automatic matching of CSV columns to Notion properties Support for all major property types including text, numbers, dates, select, multi-select, checkboxes, URLs, email, phone, people, files, and relations Visual mapping interface with type indicators Flexible ignore option for unused columns INTELLIGENT SYNC MODES Add New Entries - Only create new records Update Existing - Only update existing records Add and Update - Intelligently merge new and existing data Key column selection for precise matching RELATION FIELD SUPPORT Link entries between databases automatically with exact matching Support for multiple relations using semicolon separators Clear warnings for unmatched values Pre-caching for faster processing SECURE AND PRIVATE OAuth 2.0 authentication with credentials stored in iOS Keychain Client secrets protected by secure backend proxy You control which Notion pages the app can access No data collection IMPORT FROM ANYWHERE Share Extension for importing from Files, Mail, or any app Direct file opening by double-tapping CSV files Seamless handoff from Share Sheet to main app PROFESSIONAL EXPERIENCE Real-time progress tracking with detailed counts Concurrent processing with intelligent rate limiting Automatic retry logic for network issues Comprehensive sync history with detailed records Partial success handling Background sync support with notifications PERFECT FOR Data migrations requiring precise control Product catalogs with duplicate prevention Testing configurations with sample data Processing large datasets in batches Importing filtered data subsets Inventory and project database updates Any scenario requiring sophisticated bulk data import

Screenshots

Watts Vision4 screens
Notion CSV sync4 screens

Verdict

The call

The clearest difference is price: Watts Vision at Free against Notion CSV sync's $12.00. Watts Vision also leads on iOS requirement (11.0 vs 26.0). Notion CSV sync's advantage is update cadence (every 4 days vs every 8 months). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Watts Vision is free to download; Notion CSV sync costs $12.00 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Watts Vision ships an update every 8 months, Notion CSV sync every 4 days. The most recent releases landed on September 12, 2026 and September 21, 2026 respectively.

Scorecard3 real differences ยท 5 level
Watts Vision versus Notion CSV sync: the parameters behind the verdict, then further details
ParameterWatts VisionNotion CSV sync
PriceFree โ€” better$12.00
Positive reviews14.3% of reviewsโ€”
Update frequencyEvery 8 monthsEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS11.0 โ€” better26.0
Further details โ€” not scored
Size10 MB5 MB
Age rating4+4+
DeveloperWatts ElectronicsJohn-Erling Holmenes Fredriksen

In-app purchases

None

Watts Vision

No in-app purchases

None

Notion CSV sync

No in-app purchases

Questions

Is Watts Vision free?
Watts Vision is free to download, with no in-app purchases.
Is Notion CSV sync free?
Notion CSV sync costs $12.00, with no in-app purchases.
Do Watts Vision or Notion CSV sync have ads?
Neither Watts Vision nor Notion CSV sync shows ads.
Which is updated more often, Watts Vision or Notion CSV sync?
Watts Vision ships an update every 8 months, and Notion CSV sync every 4 days. Most recently, Watts Vision was updated on September 12, 2026 and Notion CSV sync on September 21, 2026.

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