# HPLC Troubleshooting Guide vs Plasmids X

The clearest difference is review sentiment: HPLC Troubleshooting Guide at 100% against Plasmids X's 33%. HPLC Troubleshooting Guide also leads on rating (5.0 vs 3.4) and in-app purchases (none vs 14). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Plasmids X sells 14 in-app purchases, starting at $1.99 per month. HPLC Troubleshooting Guide asks for nothing beyond the download.

HPLC Troubleshooting Guide holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 100% of HPLC Troubleshooting Guide's written reviews are positive against 33% of Plasmids X's.

HPLC Troubleshooting Guide ships an update every 2 months, Plasmids X monthly. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HPLC Troubleshooting Guide | Plasmids X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hplc-troubleshooting-guide/id573520445/reviews)** | [3.4 (7 ratings)](https://appshunter.io/ios/app/plasmids-x/id1524584676/reviews) |
| Number of ratings | 3 | **7** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 18 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thermo Fisher Scientific](https://appshunter.io/developer/407517076) | [Amin Mahpour](https://appshunter.io/developer/1524584678) |

## What reviewers say

### HPLC Troubleshooting Guide

[App page](https://appshunter.io/ios/app/hplc-troubleshooting-guide/id573520445)

This application provides comprehensive guidance for diagnosing and resolving issues with High-Performance Liquid Chromatography (HPLC) systems. It offers quick tips, solutions for common problems across various detection methods, and helpful tools like a method transfer calculator.

**Highlights:** Instrument setup troubleshooting tips, Solutions for HPLC, nano LC, fluorescence, and charged aerosol detection, HPLC and UHPLC method transfer calculator, Links to relevant HPLC application content, Built-in sharing for team collaboration

**Features:** Vision Pro support

**In-app purchases:** none


### Plasmids X

[App page](https://appshunter.io/ios/app/plasmids-x/id1524584676)

Design, create, and analyze custom DNA plasmids with this intuitive molecular genetics tool. Supports importing, editing, and sharing plasmids, with powerful in silico analysis features for researchers and students.

**Highlights:** Create plasmids from sequences, Import from .dna and Genbank files, Edit plasmids by adding features, In silico analysis (sequence alignment, PCR, digestion), Share and collaborate on plasmids

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |
| A cup of coffee! | $1.99 | one-time |
| Split View Support | $1.99 | one-time |
| Manual Cloning | $3.99 | one-time |
| In-silico PCR Support | $3.99 | one-time |
| NCBI Entrez Support | $3.99 | one-time |
| Local Alignment Support | $3.99 | one-time |
| A box of joe! | $4.99 | one-time |
| BLAST Support | $4.99 | one-time |
| ApE File Support | $4.99 | one-time |
| Genbank Support | $4.99 | one-time |
| dna File Support | $5.99 | one-time |
| All Features | $24.99 | one-time |


## Frequently asked questions

### Is HPLC Troubleshooting Guide free?

HPLC Troubleshooting Guide is free to download, with no in-app purchases.

### Is Plasmids X free?

Plasmids X is free to download, with in-app purchases available.

### Which has better reviews, HPLC Troubleshooting Guide or Plasmids X?

HPLC Troubleshooting Guide is rated higher. HPLC Troubleshooting Guide averages 5.0 out of 5 from 3 ratings, while Plasmids X averages 3.4 from 7 ratings.

### Do HPLC Troubleshooting Guide or Plasmids X have ads?

Neither HPLC Troubleshooting Guide nor Plasmids X shows ads.

### Which is updated more often, HPLC Troubleshooting Guide or Plasmids X?

HPLC Troubleshooting Guide ships an update every 2 months, and Plasmids X monthly. Most recently, HPLC Troubleshooting Guide was updated on October 8, 2026 and Plasmids X on October 9, 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.*