Comparison

postalk vs Sticky Notes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Organize Ideas Visually

Free

📊 Productivity

No ratingsView app →

About

postalk

Features

Read 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。

About

Sticky Notes

Features

Read full description

Sticky Notes - Brainstorming is the ultimate visual thinking tool for organizing ideas, planning projects, and capturing your thoughts in a flexible, intuitive way. PERFECT FOR • Brainstorming sessions • Project planning and organization • Mind mapping • Note-taking and idea capture • Task management • Creative thinking • Meeting notes • Research organization Transform the way you think and organize. Download Sticky Notes - Brainstorming today and turn your ideas into action.

Screenshots

postalk4 screens

Sticky Notes3 screens

Verdict

The call

The clearest difference is in-app purchases: Sticky Notes at none against postalk's 2. postalk's advantage is update cadence (monthly vs every 7 months) and iOS requirement (15.6 vs 18.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. postalk sells 2 in-app purchases, starting at $5.99 per month. Sticky Notes asks for nothing beyond the download.

UpkeepUpdate frequency

postalk ships an update monthly, Sticky Notes every 7 months. Both last shipped on September 9, 2026.

Scorecard3 real differences · 3 level

postalk versus Sticky Notes: the parameters behind the verdict, then further details
Parameter	postalk	Sticky Notes
Price	Free	Free
Update frequency	Monthly — better	Every 7 months
Ads	Yes	Yes
In-app purchases	Yes	No — better
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	15.6 — better	18.0
Further details — not scored
Size	90 MB	6 MB
Age rating	17+	4+
Developer	postalk株式会社	Jun Tsuda

In-app purchases

2 purchases

postalk

Subscriptions2

使い放題プラン$5.991 Month
年額8,980円$59.991 Year

None

Sticky Notes

No in-app purchases

Questions

Is postalk free?

postalk is free to download, with in-app purchases available.

Is Sticky Notes free?

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

Do postalk or Sticky Notes have ads?

Both postalk and Sticky Notes show ads.

Which is updated more often, postalk or Sticky Notes?

postalk ships an update monthly, and Sticky Notes every 7 months. Most recently, postalk was updated on September 9, 2026 and Sticky Notes on September 9, 2026.