# Phaseboard vs Source Browser for Research

The clearest difference is update cadence: Source Browser for Research at every 3 days against Phaseboard's every 2 months. Phaseboard's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Phaseboard sells 3 in-app purchases, starting at $1.99 per month and Source Browser for Research sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Phaseboard ships an update every 2 months, Source Browser for Research every 3 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Phaseboard | Source Browser for Research |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 13 MB | 6 MB |
| Requires iOS | 18.0 | **17.2** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [东堃 许](https://appshunter.io/developer/1890379861) | [YUKIYA SHIMODA](https://appshunter.io/developer/6804373908) |

## What reviewers say

### Phaseboard

[App page](https://appshunter.io/ios/app/phaseboard/id6768083078)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro · Monthly | $1.99 | per month |
| Pro · Yearly | $8.99 | per year |
| Pro · Lifetime | $14.99 | 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 Phaseboard free?

Phaseboard 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 Phaseboard or Source Browser for Research have ads?

Neither Phaseboard nor Source Browser for Research shows ads.

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

Phaseboard ships an update every 2 months, and Source Browser for Research every 3 days. Most recently, Phaseboard was updated on October 8, 2026 and Source Browser for Research on October 11, 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.*