KeyZ vs Zai Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyZ
Securely store and easily access all your account passwords, notes, addresses, and credit card details. Protect your sensitive information with strong encryption, accessible only with your master password. Never forget a password again and simplify your digital life.
- Password storage
- Secure encryption
- Master password protection
- Store notes and addresses
- Credit card information storage
- Easy access to credentials
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Imagine that you just bought a television and accessed Netflix to watch that show you wanted so much. After making a mistake in your password countless times, you only have one option left: resetting the password for the umpteenth time. Enough! The name KeyZ is a word game, combining Key with Easy. With KeyZ you have access to all your account passwords, in the palm of your hand! Do you want to enter Spotify on your friend's party and don't remember the password? Log in to KeyZ, authenticate yourself and view your password quickly to celebrate with the crowd! Don't waste time trying to remember your passwords. If you are tired of making mistakes in your passwords and have reset them countless times, download this application and be practical with your keys! Only you have access to your data. Your safety is guaranteed! To access the application, it is necessary to enter a master password. All of your entered data is encrypted with the key you entered. That way, only you have the key to read your encrypted data! Without your key, your data is the same as the letters on the Matrix! This application was created by a person who also keeps forgetting and resetting their passwords! So use this app as your key ring to open any lock! You can add an account, note, address, credit card and more!
Zai Chat
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O Zai é um aplicativo que permite que você se conectem e conversem com diferentes empresas de forma simples e organizada em um único lugar. Com ele, você pode enviar mensagens, acompanhar atendimentos e centralizar todas as suas conversas com empresas, sem precisar alternar entre vários canais. E o melhor você descobre várias empresas com base no seu endereço O app foi criado para facilitar a comunicação entre clientes e empresas, oferecendo mais praticidade, agilidade e organização no atendimento.
Screenshots
Verdict
The clearest difference is ads: Zai Chat at none against KeyZ's shown. Zai Chat also leads on update cadence (every 3 days vs monthly). KeyZ's advantage is iOS requirement (12.0 vs 15.1). On price, 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.
KeyZ ships an update monthly, Zai Chat every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | KeyZ | Zai Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 93.3% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 50 MB | 48 MB |
| Age rating | +4 | 4+ |
| Developer | Marcello Camara | Hg Consultoria |
In-app purchases
KeyZ
No in-app purchases
Zai Chat
No in-app purchases









