QRTaro vs postalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QRTaro
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QRTaro is an application that can read QR code and create QR code. Easy operation! Read history will also remain. ◆ QRMaker: Create a QR code from the input text. The created QR code can be saved as an image in a photo album. Also, the created QR code can be sent directly to an application such as a message, mail, memo, Twitter, LINE, Gmail, etc. ◆ QRReader: Read the QR code from the camera and photo album images. Since pinch-in pinch-out and tap focus function are carried, focus adjustment can be done easily. By tapping the folder icon displayed at the bottom of the top screen, the photo album is displayed and you can also select the previously saved QR code image for reading. You can also pass the scanned data directly to the application such as message, mail, memo, Twitter, LINE, Gmail from the reading result screen. Also, since the scanned data of the QR code is displayed as a scan history by date on the history list screen, you can tap the scanned data and obtain the reading result again. Since historical data has selective batch delete and delete all functions, it is also possible for users to organize them. ※ Up to 30 history lists are displayed. If it exceeds 30, the history data of the oldest date is deleted. ◆ Note: Ads will be hidden if you pay.
postalk
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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。
Screenshots
Verdict
The clearest difference is iOS requirement: postalk at 15.6 against QRTaro's 17.0. On price, update cadence, ads and in-app purchases 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. QRTaro sells 1 one-off in-app purchase and postalk sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly monthly. Both last shipped on September 9, 2026.
| Parameter | QRTaro | postalk |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 22 MB | 90 MB |
| Age rating | 4+ | 17+ |
| Developer | Masashi Sasaoka | postalk株式会社 |
In-app purchases
QRTaro
- Ad-free$1.99
postalk
- 使い放題プラン$5.991 Month
- 年額8,980円$59.991 Year









