Molarity Calcs vs Blank Web
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Molarity Calcs
This app helps users quickly calculate molarity for various chemistry needs. It supports calculations for mass to volume, volume to mass, and dilutions, making it a handy tool for students and professionals.
- Mass to volume calculations
- Volume to mass calculations
- Dilution calculations
- Fast and efficient
- User-friendly interface
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Calculate mass to add to a volume, volume to add to a mass, or make a dilution. Fast.
Blank Web
This Safari extension helps you stay focused by blocking distracting websites. Organize blocked sites into categories and sync your settings across all your Apple devices for uninterrupted productivity.
- Website Blocking
- Category Blocking
- iCloud Sync
- iOS and macOS Support
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BlankWeb is a handy Content Blocker Extension for Safari that will help you limit distracting websites on your device. Helps you focus on your tasks for greater productivity -Website Blocking Block annoying and disturbing websites -Category Blocking Group these sites into categories and manage them -Sync Devices Sync your content to iCloud and between devices -iOS & macOS Support Be efficient at your macbook & iPhone
Screenshots
Verdict
The clearest difference is update cadence: Molarity Calcs at every 4 days against Blank Web's every 2 months. Molarity Calcs also leads on iOS requirement (15.5 vs 17.0). Blank Web's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Molarity Calcs against 5.0 for Blank Web. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Molarity Calcs ships an update every 4 days, Blank Web every 2 months. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.
| Parameter | Molarity Calcs | Blank Web |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, Mac |
| Requires iOS | 15.5 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Schoellerman | Dzmitry Pirozhnik |
Customer experience
Molarity Calcs
Blank Web
In-app purchases
Molarity Calcs
No in-app purchases
Blank Web
No in-app purchases
