ujiuji vs EchoBoard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ujiuji
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返事はいらない。 でも、ひとりにはしない。 ujiujiは、誰にも言えない気持ちを匿名でそっと置いていけるアプリです。 ・匿名で気持ちや悩みを書ける ・返信機能なしで、やりとりの負担が残りにくい ・短いひとことで、やさしい気配だけが届く ・誰にも言えない本音も、立派にまとめなくていい うまく言葉にできなくても大丈夫。 ここでは、あなたの気持ちを否定する人はいません。
EchoBoard
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EchoBoard is an anonymous, multilingual message board where you can talk with people around the world - no account required. FEATURES - No sign-up. Open the app and start posting right away with an anonymous ID - Posts and replies are automatically translated into your language (Japanese, English, Chinese, Korean, Spanish and more) - An open board plus topic-based boards - anyone can create a new topic - Four one-tap reactions to share how you feel - New posts, replies and reactions appear in real time - #hashtags and full search (text, tags, authors, topics) - Push notifications for replies and reactions - Share posts, replies and topics with a URL - Posts are automatically deleted after 7 days, so feel free to speak casually SAFETY - Report inappropriate posts and block users - Automatic moderation helps keep the boards clean No name, no profile. Say what's on your mind to the whole world.
Screenshots
Verdict
The clearest difference is in-app purchases: EchoBoard at none against ujiuji's 3. ujiuji's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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. ujiuji sells 3 one-off in-app purchases. EchoBoard asks for nothing beyond the download.
ujiuji ships an update every 3 weeks, EchoBoard every 2 months. Both last shipped on November 5, 2026.
| Parameter | ujiuji | EchoBoard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 3 MB |
| Age rating | 17+ | 17+ |
| Developer | Koji Yamada | HARUKI MIFUJI |
In-app purchases
ujiuji
- 100コイン$0.49
- 500コイン$1.99
- 1200コイン$3.99
EchoBoard
No in-app purchases








