# Molarity Calcs vs Blank Web

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.

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 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Molarity Calcs | Blank Web |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/molarity-calcs/id1640884409/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/blank-web-focus/id6479458161/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Schoellerman](https://appshunter.io/developer/1640884411) | [Dzmitry Pirozhnik](https://appshunter.io/developer/1736014520) |

## What reviewers say

### Molarity Calcs

[App page](https://appshunter.io/ios/app/molarity-calcs/id1640884409)

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.

**Highlights:** Mass to volume calculations, Volume to mass calculations, Dilution calculations, Fast and efficient, User-friendly interface

**In-app purchases:** none


### Blank Web

[App page](https://appshunter.io/ios/app/blank-web-focus/id6479458161)

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.

**Highlights:** Website Blocking, Category Blocking, iCloud Sync, iOS and macOS Support

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Molarity Calcs free?

Molarity Calcs is free to download, with no in-app purchases.

### Is Blank Web free?

Blank Web is free to download, with no in-app purchases.

### Which has better reviews, Molarity Calcs or Blank Web?

Molarity Calcs and Blank Web are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Molarity Calcs or Blank Web have ads?

Neither Molarity Calcs nor Blank Web shows ads.

### Which is updated more often, Molarity Calcs or Blank Web?

Molarity Calcs ships an update every 4 days, and Blank Web every 2 months. Most recently, Molarity Calcs was updated on October 17, 2026 and Blank Web on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*