# Uploader for Zotero vs OneFocus

The clearest difference is in-app purchases: Uploader for Zotero at none against OneFocus's 1. Uploader for Zotero also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OneFocus sells 1 one-off in-app purchase. Uploader for Zotero asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Uploader for Zotero | OneFocus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/uploader-for-zotero/id1566733750/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | — |
| Size | 12 MB | 33 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sven Gowal](https://appshunter.io/developer/1557039598) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### Uploader for Zotero

[App page](https://appshunter.io/ios/app/uploader-for-zotero/id1566733750)

This app simplifies adding research articles to your Zotero library. Paste URLs or share webpages and PDFs to automatically create bibliography entries with accurate metadata. It offers features like duplicate prevention and quick tagging for efficient research management.

**Highlights:** Paste URL or share webpage/PDF, Automatic bibliography entry creation, Recognizes bibliography from PDFs, Accurate metadata for many websites, Duplicate prevention, Quick actions like tagging

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

**In-app purchases:** none


### OneFocus

[App page](https://appshunter.io/ios/app/onefocus-deep-work/id6790143964)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneFocus Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Uploader for Zotero free?

Uploader for Zotero is free to download, with no in-app purchases.

### Is OneFocus free?

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

### Do Uploader for Zotero or OneFocus have ads?

Neither Uploader for Zotero nor OneFocus shows ads.

### Which is updated more often, Uploader for Zotero or OneFocus?

Uploader for Zotero ships an update every 2 months, and OneFocus every 2 months. Most recently, Uploader for Zotero was updated on November 3, 2026 and OneFocus on November 8, 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.*