Comparison

Num Messenger vs Katt messenger

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

Head to head
About

Num Messenger

A messaging app prioritizing simplicity and privacy. It uses a unique NUM-number for registration, eliminating the need for phone numbers or emails. Messages are end-to-end encrypted and deleted after delivery, with minimal data stored on servers.

Highlights
  • No phone number or email required
  • Unique NUM-number for registration
  • End-to-end encrypted messages
  • Messages deleted after delivery
  • Minimal server data storage
  • Private photo and voice sharing
Read full description

Num Messenger для тех, кто ценит простоту и приватность. Никакого номера телефона, никакой почты. При регистрации вы получаете уникальный NUM-номер - это всё, что нужно для общения. Сообщения зашифрованы и не сохраняются на сервере - они живут ровно столько, сколько нужно для доставки. Минимум данных на сервере. Всё остальное - сообщения, фото, голосовые - остаётся только у вас и вашего собеседника.

About

Katt messenger

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MESSAGING - Private chats in real time: messages arrive instantly - Photos and videos straight from the camera or the gallery - Voice messages for when typing takes too long - Files and documents - Emoji reactions on any message - Replies, forwarding and deleting messages - Typing indicator and read receipts - See which contacts are online and when they were last active AUDIO AND VIDEO CALLS - High-quality calls directly between devices - An incoming call rings like a regular phone call, even when the app is closed - Switch cameras, mute the microphone and use the speaker during a call - Drag your own video to any corner of the screen MAKE SOMETHING FOR YOUR PEOPLE - Songs: describe the mood and Katt writes a song, even in your own voice - Photo editor: give a favorite photo a new look - Astrology: a personal conversation based on your birth chart Messaging and calls are free. Creating uses tokens: get them with a subscription (Basic, Plus, Pro) or buy a top-up pack. The subscription renews automatically until you cancel it in your App Store account settings. What you create in these sections is not protected by end-to-end encryption; this is explained in detail in the Privacy Policy. NOTHING EXTRA - Instant notifications that are easy to turn off - Mute or snooze notifications for any chat - Light and dark themes - A light app: it starts fast and is easy on the battery PRIVACY Katt does not ask for unnecessary permissions. There are no ads, and your conversations are not used to build a profile of you. All data travels over a secure connection, and messages are available only to you and the person you are talking to. Sign-up takes a few seconds. Find your contacts and start talking. Privacy Policy: https://katmessenger.com/#privacy Terms of Use: https://katmessenger.com/#terms

Screenshots

Num Messenger4 screens
Katt messenger3 screens

Verdict

The call

The clearest difference is in-app purchases: Num Messenger at none against Katt messenger's 6. On price, update cadence, ads 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. Katt messenger sells 6 in-app purchases, starting at $4.99 per month. Num Messenger asks for nothing beyond the download.

UpkeepUpdate frequency

Num Messenger ships an update every 4 days, Katt messenger weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Num Messenger versus Katt messenger: the parameters behind the verdict, then further details
ParameterNum MessengerKatt messenger
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS1615.0 — better
Further details — not scored
Size40 MB114 MB
Age rating12+12+
DeveloperOleg FrolovAndrei Baburin

In-app purchases

None

Num Messenger

No in-app purchases

6 purchases

Katt messenger

Subscriptions3
  • Basic$4.991 Month
  • Plus$9.991 Month
  • Pro$19.991 Month
One-time3
  • 30 tokens$1.99
  • 80 tokens$4.99
  • 180 tokens$9.99

Questions

Is Num Messenger free?
Num Messenger is free to download, with no in-app purchases.
Is Katt messenger free?
Katt messenger is free to download, with in-app purchases available.
Do Num Messenger or Katt messenger have ads?
Neither Num Messenger nor Katt messenger shows ads.
Which is updated more often, Num Messenger or Katt messenger?
Num Messenger ships an update every 4 days, and Katt messenger weekly. Most recently, Num Messenger was updated on October 12, 2026 and Katt messenger on October 24, 2026.

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