# Plasmids X vs Quartzy

The clearest difference is in-app purchases: Quartzy at none against Plasmids X's 14. Quartzy also leads on iOS requirement (15.1 vs 18). Plasmids X's advantage is ads (none vs shown) and review sentiment (33% vs 25%). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.4 for Plasmids X against 3.3 for Quartzy. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews are what separate them: 33% of Plasmids X's written reviews are positive against 25% of Quartzy's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 1, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Plasmids X | Quartzy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/plasmids-x/id1524584676/reviews)** | [3.3 (16 ratings)](https://appshunter.io/ios/app/quartzy/id1613415245/reviews) |
| Number of ratings | 7 | **16** |
| Positive reviews | **33.3% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 39 MB |
| Requires iOS | 18 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amin Mahpour](https://appshunter.io/developer/1524584678) | [Quartzy, Inc.](https://appshunter.io/developer/1613415697) |

## What reviewers say

### 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

**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 |


### Quartzy

[App page](https://appshunter.io/ios/app/quartzy/id1613415245)

Manage your lab's inventory with this mobile tool. Track stock, submit requests, and scan items to ensure supplies are always available, preventing experimental delays. Generate unique barcodes directly from your account.

**Highlights:** Track inventory in real-time, Submit supply requests, Scan and receive items, Print unique barcodes, Up-to-date stock view

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Plasmids X free?

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

### Is Quartzy free?

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

### Which has better reviews, Plasmids X or Quartzy?

Plasmids X is rated higher. Plasmids X averages 3.4 out of 5 from 7 ratings, while Quartzy averages 3.3 from 16 ratings.

### Do Plasmids X or Quartzy have ads?

Quartzy shows ads; Plasmids X does not.

### Which is updated more often, Plasmids X or Quartzy?

Plasmids X ships an update monthly, and Quartzy monthly. Most recently, Plasmids X was updated on June 1, 2026 and Quartzy on July 5, 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.*