# archive vs CodonQ

The clearest difference is in-app purchases: archive at none against CodonQ's 1. CodonQ's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. CodonQ sells 1 one-off in-app purchase. archive asks for nothing beyond the download.

archive ships an update every 2 months, CodonQ every 9 days. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | archive | CodonQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/archive-preprint-pdf-e-print/id1614203938/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [Yoshikazu Mikawa](https://appshunter.io/developer/1778069380) |

## What reviewers say

### archive

[App page](https://appshunter.io/ios/app/archive-preprint-pdf-e-print/id1614203938)

Access and view scientific preprints from arXiv.org with this free application. Search for papers across various scientific disciplines and read them directly within the app. All features are available without cost.

**Highlights:** arXiv preprint search, PDF viewer, Access scientific papers, Free to use, Supports multiple disciplines

**In-app purchases:** none


### CodonQ

[App page](https://appshunter.io/ios/app/codonq/id6479198761)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CodonQ Premium Access | $2.99 | one-time |


## Frequently asked questions

### Is archive free?

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

### Is CodonQ free?

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

### Do archive or CodonQ have ads?

archive shows ads; CodonQ does not.

### Which is updated more often, archive or CodonQ?

archive ships an update every 2 months, and CodonQ every 9 days. Most recently, archive was updated on September 20, 2026 and CodonQ on September 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.*