m/z vs HPLC Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
m/z
Instantly search a vast database of chemical structures based on their exact mass. This tool helps identify compounds with masses under 340 Da, drawing from millions of entries.
- Find chemical structures by exact mass
- Search database of known structures
- Database includes over 35 million compounds
- Supports masses under 340 Da
- Utilizes PubChem compounds database
Read full descriptionHide full description
Find chemical structure by exact mass (m/z). Instant search in a database of known structures with exact mass less than 340 Da (about 35 million) created from PubChem compounds database.
HPLC Calculator
Read full descriptionHide full description
This app is a powerful tool designed for R&D and QC departments, helping streamline essential lab and HPLC calculations. Ask questions and troubleshoot chromatography challenges Share knowledge and best practices Discuss methods, instrumentation, and real-world lab scenarios Connect with scientists, students, and professionals globally It supports: System Suitability Calculations for HPLC Buffer Preparation and pH Adjustments Linearity and Regression Analysis General Reagent and Solution Calculations In addition, the Chromatography Forum built into the app offers a collaborative space to: Ask questions and troubleshoot chromatography challenges Share knowledge and best practices Discuss methods, instrumentation, and real-world lab scenarios Connect with scientists, students, and professionals globally Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: m/z at none against HPLC Calculator's 6. m/z also leads on ads (none vs shown) and iOS requirement (6.0 vs 13.0). On price, update cadence and device support 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. HPLC Calculator sells 6 in-app purchases, starting at $0.59 per month. m/z asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | m/z | HPLC Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 3.6 GB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Kirill Blinov | Youhana Mehany |
In-app purchases
m/z
No in-app purchases
HPLC Calculator
- Remove Ads$0.591 Month
- Remove Ads$4.991 Year
- 50K Token Top-Up$2.99
- 100K Token Top-Up$4.99
- 250K Token Top-Up$9.99
Show 1 moreShow fewer
- 500K Token Top-Up$12.99
