Comparison

BubbleTalk vs OnceChat

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

Head to head
About

BubbleTalk

Features
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BubbleTalk - 気持ちを泡にのせて、ふわりと流す新感覚SNS BubbleTalkは、気持ちやつぶやきを“泡”にのせて、空間にふわふわと浮かべる新感覚SNSです。 誰かの感情にそっと触れたり、自分の想いを静かに流したり。スクロールもタイムラインもない、心地よく流れる泡の世界を体験しませんか? 特徴 ふわふわと浮かぶ泡投稿 投稿された泡は画面上を漂い、時間とともに消えていきます(24時間限定)。感情に色があり、感情に応じて泡の色や表情が変化します。 気持ちのエリア選択 「近くの人」「学校」「カフェ」「公園」など、投稿エリアを選ぶことで、場所にちなんだ感情のやりとりが楽しめます。位置情報と連携して“今この場所”の気持ちにも触れられます。 泡瓶(お気に入り保存)機能 気になった泡は長押しで泡瓶に保存可能。気に入った感情の言葉をあとでゆっくり読み返すことができます(保存も24時間限定)。 匿名で、だけどやさしく 実名登録は不要。気軽に投稿でき、誰かの投稿にも共感できる仕組みがあります。 でも「報告」「ブロック」機能も搭載しているので安心して使えます。 マイページで自分の泡を管理 投稿数や今日の投稿数、保存した泡の確認、自分の投稿の削除などが可能です。 こんなときに使ってみて 誰かに言いたいけど言えない気持ちを、そっと世界に流したいとき SNSのようなタイムラインに疲れたとき 誰かの“今の気持ち”にやさしく触れたいとき 感情を言葉にして整理したいとき これからも進化予定 現在はシンプルな泡投稿が中心ですが、今後は共感数、反応スタンプ、テーマ別イベントなど、さらに共感が広がる機能を追加予定です。 感情に色をつけて、泡にして流す。 BubbleTalkは、あなたの“今”の気持ちに、そっと寄り添います。

About

OnceChat

Features
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OnceChat is a quiet messaging app built around a simple idea: just one message a day. Away from endless notifications, constant replies, and the pressure of read receipts — you choose one message each day, carefully, and send it. That's OnceChat. ■ One message a day Just one message per day, taking turns. So every single letter matters. ■ Quietly gone in 24 hours Your words fade after 24 hours. Because nothing is kept, some things become easier to say. ■ No notifications No push notifications, ever. Open the app when you want to, at your own pace. A quiet place that never rushes you. ■ Today's letter Share one short public letter a day with all your friends. Send yours, and you can read theirs too — a new, reciprocal way to stay connected. ■ Thoughtfully secure No passwords — sign in with a passkey (biometrics). Messages are encrypted. No ads, and no third-party tracking. A calm space, like the quiet before dawn. Send your one letter today, with OnceChat.

Screenshots

BubbleTalk4 screens
OnceChat4 screens

Verdict

The call

The clearest difference is update cadence: BubbleTalk at every 2 days against OnceChat's every 2 weeks. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BubbleTalk ships an update every 2 days, OnceChat every 2 weeks. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

Scorecard1 real difference · 5 level
BubbleTalk versus OnceChat: the parameters behind the verdict, then further details
ParameterBubbleTalkOnceChat
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.1 — better
Further details — not scored
Size46 MB37 MB
Age rating17+4+
DeveloperYatuki MisoraKosei Takanashi

In-app purchases

None

BubbleTalk

No in-app purchases

None

OnceChat

No in-app purchases

Questions

Is BubbleTalk free?
BubbleTalk is free to download, with no in-app purchases.
Is OnceChat free?
OnceChat is free to download, with no in-app purchases.
Do BubbleTalk or OnceChat have ads?
Neither BubbleTalk nor OnceChat shows ads.
Which is updated more often, BubbleTalk or OnceChat?
BubbleTalk ships an update every 2 days, and OnceChat every 2 weeks. Most recently, BubbleTalk was updated on September 30, 2026 and OnceChat on September 19, 2026.

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