# 親指Oyayubiブラウザ vs Source Browser for Research

The clearest difference is in-app purchases: 親指Oyayubiブラウザ at none against Source Browser for Research's 1. Source Browser for Research's advantage is update cadence (every 2 days vs monthly) and iOS requirement (17.2 vs 26.2). On price, 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. 親指Oyayubiブラウザ asks for nothing beyond the download.

親指Oyayubiブラウザ ships an update monthly, Source Browser for Research every 2 days. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 親指Oyayubiブラウザ | Source Browser for Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 2 MB | 6 MB |
| Requires iOS | 26.2 | **17.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [5mm](https://appshunter.io/developer/1832720335) | [YUKIYA SHIMODA](https://appshunter.io/developer/6804373908) |

## What reviewers say

### 親指Oyayubiブラウザ

[App page](https://appshunter.io/ios/app/oyayubi-thumbbrowser/id6759067541)

**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 親指Oyayubiブラウザ free?

親指Oyayubiブラウザ 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 親指Oyayubiブラウザ or Source Browser for Research have ads?

Neither 親指Oyayubiブラウザ nor Source Browser for Research shows ads.

### Which is updated more often, 親指Oyayubiブラウザ or Source Browser for Research?

親指Oyayubiブラウザ ships an update monthly, and Source Browser for Research every 2 days. Most recently, 親指Oyayubiブラウザ was updated on September 19, 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.*