# Citation Styles vs Quantum Retriever

The clearest difference is in-app purchases: Quantum Retriever at none against Citation Styles's 3. Quantum Retriever also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Citation Styles sells 3 in-app purchases, starting at $4.99 per 7 days. Quantum Retriever asks for nothing beyond the download.

Citation Styles ships an update every 3 weeks, Quantum Retriever every 9 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Citation Styles | Quantum Retriever |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/citation-styles-generator/id6451143686/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 140 MB | 27 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 12+ |
| Developer | [Michel Odreman](https://appshunter.io/developer/1373702916) | [James Beach](https://appshunter.io/developer/1879362223) |

## What reviewers say

### Citation Styles

[App page](https://appshunter.io/ios/app/citation-styles-generator/id6451143686)

Automate the creation, organization, and export of accurate academic citations. Supports numerous styles and offers smart organization tools for research projects. Ideal for students and professionals needing precise reference management.

**Highlights:** Instant citation generation via DOI, ISBN, PubMed, Supports 30+ academic citation styles, Organize references by project and tag, Automatic bibliography formatting and sorting, Powerful search and filtering, Add custom notes and annotations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |


### Quantum Retriever

[App page](https://appshunter.io/ios/app/quantum-retriever/id6759576344)

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

**In-app purchases:** none


## Frequently asked questions

### Is Citation Styles free?

Citation Styles is free to download, with in-app purchases available.

### Is Quantum Retriever free?

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

### Do Citation Styles or Quantum Retriever have ads?

Neither Citation Styles nor Quantum Retriever shows ads.

### Which is updated more often, Citation Styles or Quantum Retriever?

Citation Styles ships an update every 3 weeks, and Quantum Retriever every 9 days. Most recently, Citation Styles was updated on October 29, 2026 and Quantum Retriever on October 25, 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.*