Ping vs eyeknow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ping
This social networking app allows users to express themselves in short, 15-letter messages. Connect with others who share the exact same thoughts or interests, and send messages once a connection is established. It focuses on free expression without traditional social media metrics like likes or followers.
- 15-letter expression limit
- Connect through shared expressions
- Message after matching 4 times
- No followers, likes, or read receipts
- Anonymous matching
- Focus on free expression
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Ping is an app to express about you in 15 letters. -your favorite food, quotes, band, brand, or athletes -how you feel now, what you're drinking, what you see, or someone in front of you. -some words that just popped up in your head, or words that just came up on your keyboard. -random emojis or words you made up. -what's on your mind now When there's someone else who've expressed the exactly the same thing, you can view their profile You can send a message once you've expressed exactly the same thing 4 times with the same person And of course messages can only be sent in 15 letters or less. There's no following, "like", nor read receipts. You won't know who said what other than the words that matched. Don't worry about other people Just express you freely There might be someone out there that only you can find.
eyeknow
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日本国内の食べる、飲む、遊ぶ、泊まるなど、多様なアクティビティを発信・共有できるeyeknowは、LOGBTQのためのアプリです。自分が経験した「楽しい」「嬉しい」を共有しませんか? eyeknowでは、食べる、飲む、遊ぶ、泊まるなど、多様なアクティビティを写真と一緒に投稿し、喜びや楽しさを皆んなで共有し、仲間を作り、喜びや楽しさが膨らむサービスです。多様なアクティビティを皆んなにオススメしたり、誰かがオススメしてくれたり、eyeknowを使えば、自分の知らないアクティビティと世界を楽しむことができます!皆んなで喜びと楽しさを膨らませていきましょう!
Screenshots
Verdict
The clearest difference is update cadence: Ping at monthly against eyeknow's every 2 months. eyeknow's advantage is iOS requirement (11.0 vs 13.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ping ships an update monthly, eyeknow every 2 months. Both last shipped on September 7, 2026.
| Parameter | Ping | eyeknow |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 13.6% of reviews | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 19 MB |
| Age rating | 12+ | 17+ |
| Developer | Omoroki | TCOM TECHNOLOGY AND COMMUNICATION JOINT STOCK COMPANY |
In-app purchases
Ping
No in-app purchases
eyeknow
No in-app purchases









