# EMS.Waste vs Molarity Calcs

The clearest difference is update cadence: Molarity Calcs at every 4 days against EMS.Waste's every 2 months. EMS.Waste's advantage is iOS requirement (12.0 vs 15.5). On price, rating, review sentiment and ratings volume 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 EMS.Waste against 5.0 for Molarity Calcs. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

EMS.Waste ships an update every 2 months, Molarity Calcs every 4 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | EMS.Waste | Molarity Calcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/emswaste/id521270520/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/molarity-calcs/id1640884409/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 10 MB | 4 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SFS Chemical Safety Inc.](https://appshunter.io/developer/521270523) | [Jeff Schoellerman](https://appshunter.io/developer/1640884411) |

## What reviewers say

### EMS.Waste

[App page](https://appshunter.io/ios/app/emswaste/id521270520)

This hazardous waste tracking tool transforms your iPad into a mobile solution for managing consolidation, lab packs, and bulk waste. Easily track items in and out of accumulation areas, tanks, and shipping containers, with options for barcode scanning. Data syncs wirelessly with a web module for seamless management.

**Highlights:** Hazardous waste tracking, Consolidation and lab pack management, Bulk waste tracking, Barcode scanning, Wireless data synchronization, Mobile manifest preparation

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is EMS.Waste free?

EMS.Waste is free to download, with no in-app purchases.

### Is Molarity Calcs free?

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

### Which has better reviews, EMS.Waste or Molarity Calcs?

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

### Do EMS.Waste or Molarity Calcs have ads?

Neither EMS.Waste nor Molarity Calcs shows ads.

### Which is updated more often, EMS.Waste or Molarity Calcs?

EMS.Waste ships an update every 2 months, and Molarity Calcs every 4 days. Most recently, EMS.Waste was updated on November 1, 2026 and Molarity Calcs on November 3, 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.*