Comparison

Output Messenger vs Kefi

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

Head to head
About

Output Messenger

A secure, private messenger for office environments that enhances internal communication, boosts productivity, and strengthens colleague relationships. It requires a server application to be installed and running to connect.

Highlights
  • Private secure office messenger
  • Cross-platform support (Desktop & Mobile)
  • One-on-one and group chat
  • Push notifications
  • Offline and announcement messages
  • No ads
Features
Read full description

Output Messenger is designed to use a private secure messenger for your office. This intranet messenger improves internal communications, business productivity and relationships with colleagues inside office. IMPORTANT: Output Messenger requires Server application to be installed and running in your server. The Public IP Address or Domain name of the server running host should be provided in this Output Messenger App to connect with server. Why use Output Messenger ? - Cross platform (Desktop and Mobile) - View & chat with your Office users - One-on-One private chat with users - Group Chat with multiple users - Always-On. Runs as a service in the background. - Push Notifications - Offline / Announcement messages - No ads.

About

Kefi

Features
Read full description

Kefi Features: - Easy setup - Parental controls - Speed Test - Mesh Solution - Owner & Manager Setting - Guest Network - QoS - Automatic Updates - Blacklist - Connected client list - Managing multiple networks Kefi app allows you to control your router from any remote location. To set up your kefi router , download the app and plug kefi router and follow the instructions in the app. The app also helps to find the best place for kefi router and there is option to select the custom location. Once the kefi network is up and running , you can enjoy the stronger and faster network.

Screenshots

Output Messenger4 screens
Kefi4 screens

Verdict

The call

The clearest difference is update cadence: Kefi at every 2 weeks against Output Messenger's monthly. Kefi also leads on iOS requirement (8.0 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Output Messenger ships an update monthly, Kefi every 2 weeks. The most recent releases landed on August 30, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 8 level
Output Messenger versus Kefi: the parameters behind the verdict, then further details
ParameterOutput MessengerKefi
PriceFreeFree
Rating2.5 (71 ratings) — better
Positive reviews19.5% of reviews
Number of ratings71 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size23 MB137 MB
Age rating4+4+
DeveloperSrimax Software SystemKenstel Networks Limited

In-app purchases

None

Output Messenger

No in-app purchases

None

Kefi

No in-app purchases

Questions

Is Output Messenger free?
Output Messenger is free to download, with no in-app purchases.
Is Kefi free?
Kefi is free to download, with no in-app purchases.
Do Output Messenger or Kefi have ads?
Neither Output Messenger nor Kefi shows ads.
Which is updated more often, Output Messenger or Kefi?
Output Messenger ships an update monthly, and Kefi every 2 weeks. Most recently, Output Messenger was updated on August 30, 2026 and Kefi on September 7, 2026.

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