UnderLine vs 友達トーク
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UnderLine
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UnderLine is a one-to-one messaging app that lets your conversation partner see your words in real time while you type. Unlike conventional messaging apps, where the other person sees your words only after you tap Send, UnderLine lets the conversation begin from the moment you start typing. When you delete draft text, the change is also reflected on the other person's screen. This makes it possible to share the rhythm of a conversation and the way words take shape, even when you are apart. Key features - Real-time display of text while it is being typed - Simple one-to-one messaging - Add friends using public IDs or QR codes - See in your conversation list when someone is typing - Search your contacts, and your conversation list by name or message - Mute notifications, pin conversations, or hide them from your list - Push notifications for new messages - Blocking, reporting, and in-app account deletion - Encrypted device-to-device transfer using a QR code - Encrypted iCloud backup and restoration Message bodies and live-typing text are end-to-end encrypted. Push notifications never include message content. Important notes - Live typing is visible while the other person has the same conversation open. Because text may be seen before you tap Send, do not type anything you do not want the other person to see. - Enable notifications to receive new-message alerts while the app is in the background or closed. Message content is not shown in notifications.
友達トーク
This app allows users to find friends based on shared hobbies, location, and age through anonymous chat. Users send friend requests to initiate conversations, offering a casual way to connect with others for daily chats or finding local companions. It prioritizes user safety with blocking and reporting features.
- Find friends by hobby, location, age
- Anonymous chat
- Friend request system
- Profile customization
- Blocking and reporting features
- Ad-free subscription option
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友達トークは、趣味や地域、年代から気軽に友達を探せる匿名チャットアプリです。 いきなり誰かからメッセージが届くのではなく、プロフィールを見て「友達申請」を送り、相手が承認するとトークが始まります。 日常のちょっとした話し相手がほしいとき、趣味の合う人と話したいとき、近い地域の友達をゆるく探したいときに使えます。 プロフィール画像やテーマカラーを設定して、自分らしい雰囲気で利用できます。 不快な相手はすぐにブロックできます。 通報機能もあるので、安心して友達探しを楽しめます。 友達トークで、気軽に話せる相手を見つけてみませんか? Terms of Use (EULA): https://taka3267-collab.github.io/tkApps/friend-talk/terms.html Privacy Policy: https://taka3267-collab.github.io/tkApps/friend-talk/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: UnderLine at none against 友達トーク's 3. UnderLine also leads on ads (none vs shown). On price, update cadence, 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. 友達トーク sells 3 in-app purchases, starting at $1.99 per month. UnderLine asks for nothing beyond the download.
UnderLine ships an update every 3 days, 友達トーク every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | UnderLine | 友達トーク |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 94 MB |
| Age rating | 17+ | 17+ |
| Developer | 5mm | Takahiro Kimura |
In-app purchases
UnderLine
No in-app purchases
友達トーク
- 広告非表示 月額プラン$1.991 Month
- 広告非表示 年額プラン$9.991 Year
- 広告非表示 永久$59.99








