# okorusan vs Source Browser for Research

The clearest difference is in-app purchases: okorusan at none against Source Browser for Research's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Source Browser for Research sells 1 one-off in-app purchase. okorusan asks for nothing beyond the download.

okorusan ships an update daily, Source Browser for Research every 2 days. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | okorusan | Source Browser for Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Size | 40 MB | 6 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kota Suzuki](https://appshunter.io/developer/1876157551) | [YUKIYA SHIMODA](https://appshunter.io/developer/6804373908) |

## What reviewers say

### okorusan

[App page](https://appshunter.io/ios/app/okorusan/id6777746761)

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

**In-app purchases:** none


### 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 okorusan free?

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

### Is Source Browser for Research free?

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

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

Neither okorusan nor Source Browser for Research shows ads.

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

okorusan ships an update daily, and Source Browser for Research every 2 days. Most recently, okorusan was updated on September 25, 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.*