No_Chat vs Zenn OTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
No_Chat
Communicate silently in noisy environments by displaying custom messages on your phone screen. This virtual billboard is perfect for loud venues, allowing you to convey information without speaking. It also features a game and Morse code functionality.
- Customizable message display
- Silent communication
- Virtual billboard functionality
- Morse code display
- In-app game
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Get someone's attention by flashing a short message on your phone screen. Create a custom message that can say anything to communicate at a loud venue. No Chat is your own mini virtual billboard that can display custom messages to tell someone something from across the room. An absolute must-use app when in a noisy bar trying to compete with a group of strangers by yelling a drink order. It also includes a new game and can also show Morse Code. No Chat - Talk without speaking.
Zenn OTP
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This application generates one-time passwords for devices and services which developed by Zenn.
Screenshots
Verdict
The clearest difference is ads: Zenn OTP at none against No_Chat's shown. No_Chat's advantage is device support (3 vs 1). On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
No_Chat ships an update every 2 months, Zenn OTP every 6 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.
| Parameter | No_Chat | Zenn OTP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (32 ratings) — better | — |
| Positive reviews | 92.3% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 27 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hagens Media, LLC. | Zenn |
In-app purchases
No_Chat
No in-app purchases
Zenn OTP
No in-app purchases
