# EMS.Waste vs HPLC Calculator

The clearest difference is in-app purchases: EMS.Waste at none against HPLC Calculator's 6. EMS.Waste also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. HPLC Calculator sells 6 in-app purchases, starting at $0.59 per month. EMS.Waste asks for nothing beyond the download.

EMS.Waste ships an update every 2 months, HPLC Calculator every 5 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | EMS.Waste | HPLC Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emswaste/id521270520/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 66 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SFS Chemical Safety Inc.](https://appshunter.io/developer/521270523) | [Youhana Mehany](https://appshunter.io/developer/1600330996) |

## 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


### HPLC Calculator

[App page](https://appshunter.io/ios/app/hplc-calculator/id1600330994)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.59 | per month |
| Remove Ads | $4.99 | per year |
| 50K Token Top-Up | $2.99 | one-time |
| 100K Token Top-Up | $4.99 | one-time |
| 250K Token Top-Up | $9.99 | one-time |
| 500K Token Top-Up | $12.99 | one-time |


## Frequently asked questions

### Is EMS.Waste free?

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

### Is HPLC Calculator free?

HPLC Calculator is free to download, with in-app purchases available.

### Do EMS.Waste or HPLC Calculator have ads?

HPLC Calculator shows ads; EMS.Waste does not.

### Which is updated more often, EMS.Waste or HPLC Calculator?

EMS.Waste ships an update every 2 months, and HPLC Calculator every 5 weeks. Most recently, EMS.Waste was updated on October 29, 2026 and HPLC Calculator on October 27, 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.*