# Queue vs Source Browser for Research

The clearest difference is iOS requirement: Source Browser for Research at 17.2 against Queue's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Queue sells 1 one-off in-app purchase and Source Browser for Research sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Queue ships an update every 3 days, Source Browser for Research every 2 days. The most recent releases landed on September 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Queue | Source Browser for Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 17 MB | 6 MB |
| Requires iOS | 26.0 | **17.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [masanao matsui](https://appshunter.io/developer/1232130754) | [YUKIYA SHIMODA](https://appshunter.io/developer/6804373908) |

## What reviewers say

### Queue

[App page](https://appshunter.io/ios/app/queue-copy-and-paste/id6791998107)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Queue PRO | $5.99 | one-time |


### Source Browser for Research

[App page](https://appshunter.io/ios/app/source-browser-for-research/id6806154744)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TEXT MAP | $1.99 | one-time |


## Frequently asked questions

### Is Queue free?

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

### Is Source Browser for Research free?

Source Browser for Research is free to download, with in-app purchases available.

### Do Queue or Source Browser for Research have ads?

Neither Queue nor Source Browser for Research shows ads.

### Which is updated more often, Queue or Source Browser for Research?

Queue ships an update every 3 days, and Source Browser for Research every 2 days. Most recently, Queue was updated on September 12, 2026 and Source Browser for Research on September 24, 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.*