postalk vs Source Browser for Research
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
postalk
Read full descriptionHide full description
ボードにカード（テキスト）を貼って並べるだけのシンプルなソフトウェアです。 モバイルでは時系列のチャット形式になっているため、場所を選ばずいつでも会議を進めることができます。 モバイルでもボードの画面を閲覧できるようになっていて、チャットでアイデアを書き出して、そのあとカードを並びかえるといった使い方も可能です。 話題ごとにたくさんボードを作れば、検索や通知によって時間と場所を選ばない今までにない会議スペースができあがります。
Source Browser for Research
Read full descriptionHide full description
Source Browser is a browser designed to turn what you find on the web into something you can actually use later. Instead of simply saving pages to “read later,” you can keep screenshots, screen recordings, quotes, links, and analysis results, then organize them together in NOTE. Capture a moment with SHOT. Record the flow of a page with REC. Save important passages as quotes, while keeping everything connected to its original source. Your collected materials can be organized, rearranged, and edited in a conversation-style NOTE. Research. Save. Connect. Source Browser turns your browsing into material for your next idea.
Screenshots
Verdict
The clearest difference is ads: Source Browser for Research at none against postalk's shown. Source Browser for Research also leads on update cadence (every 3 days vs monthly). postalk's advantage is iOS requirement (15.6 vs 17.2). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. postalk sells 2 in-app purchases, starting at $5.99 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.
postalk ships an update monthly, Source Browser for Research every 3 days. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.
| Parameter | postalk | Source Browser for Research |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.2 |
| Further details — not scored | ||
| Size | 90 MB | 6 MB |
| Age rating | 17+ | 17+ |
| Developer | postalk株式会社 | YUKIYA SHIMODA |
In-app purchases
postalk
- 使い放題プラン$5.991 Month
- 年額8,980円$59.991 Year
Source Browser for Research
- TEXT MAP$1.99
Questions
Is postalk free?
Is Source Browser for Research free?
Do postalk or Source Browser for Research have ads?
Which is updated more often, postalk or Source Browser for Research?
Other comparisons
