Comparison

VARTA AMP100 vs Rocket.Chat

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

Head to head
About

VARTA AMP100

This mobile softphone app brings advanced communication features to your smartphone or tablet. Manage calls, access voicemails, send instant messages, and even make video calls from anywhere. It integrates with corporate directories and native contacts for seamless communication.

Highlights
  • Advanced call capabilities (transfer, conference, DND)
  • Corporate directory and native contact integration
  • Presence status monitoring
  • Voice mail access
  • Video calling
  • Instant messaging and SMS
  • Wi-Fi to Cellular handover
Features
Read full description

MATRIX VARTA AMP100 is a mobile softphone application running on the smartphones and tablets, delivering full-array of MATRIX SARVAM UCS features to the user on-the-go. Advanced Call Capabilities: Call Transfer, Forward, Conference, Mute, Do-Not-Disturb, Hold, callback, Intercom, Paging etc. Integration with Corporate directory and Native Contacts: Easy access to corporate directory and phone’s native contacts Presence Status: Supports changing your Presence status as well as you can view the Presence status of other extension users. Voice Mail Access: Anywhere access to voice mail to ensure no business opportunities are lost Video Calling: Added advantage of making and receiving video calls. Instant Message (IM) and SMS: Allows to send and receives Instant Messages (IM) and SMS. Wi-Fi to Cellular Handover and vise-versa: Allows to move an active application call to your cellular number on the cellular network and vise versa, without disconnecting the call and having to redial the number again. Busy Lamp Field (BLF): Monitor the status of another extension or trunk whether it is available or busy or ringing or on hold. One Touch Transfer: Transfer an ongoing application call to a fixed extension without entering the number of that extension and vice versa. Anywhere Access: Access all call management features of desk phone, while working from field or home Single Number Reach: Supersede any chance of missing important business call Reduce Cost: Use widely available wireless (WLAN) and mobile data networks to reduce mobile calling and roaming charges Language Customization: Support for English, German, French, Italian, Portuguese and Spanish languages Requirement: •All MATRIX SARVAM UCS with Master Application Version V1R1 or higher IMPORTANT NOTICE: •“VOIP OVER MOBILE/CELLULAR DATA” Some carriers may prohibit or restrict the use of VoIP functionality over their network and may also imposes additional fees or other charges in connection with VoIP. Installation and logging in to the app means that you agree to abide by your mobile carrier’s network restrictions. Matrix Comsec Pvt. Ltd. will not be held liable for any charges, fees, or liability imposed by your cellular/mobile carrier for using MATRIX VARTA AMP100. Use of MATRIX VARTA AMP100 is preferable over 3G/4G and WiFi networks. However, the video and voice quality of calls varies depending on the Wi-Fi or mobile data network connection strength. •“EMERGENCY SERVICES” We do not recommend using MATRIX VARTA AMP100 for EMERGENCY Calls and Services. This application is not intended, designed or fit for placing, carrying or supporting Emergency Calls and Services. Matrix Comsec Pvt. Ltd. will not be liable for any costs or damages arising either directly or indirectly from the use of the MATRIX VARTA AMP100 for Emergency Calls and Services.

About

Rocket.Chat

A secure communication platform for organizations needing to unify messaging, voice, and video. It offers advanced security, compliance, and operational efficiency for high-stakes environments, with features like E2E encryption and self-hosting options.

Highlights
  • Unified messaging, voice, and video
  • End-to-end encryption
  • Self-hosting options (BYOS)
  • Guest access and screen sharing
  • 100+ available integrations
  • Two-factor authentication (2FA)
Features
Read full description

Rocket.Chat Secure CommsOS™ is a communication platform that unifies messaging, voice, video, AI, and mission-critical applications—ensuring uncompromising security, compliance, and operational efficiency for governments, defense, and critical infrastructure organizations operating in high-stakes environments. The result is an increase in productivity and customer satisfaction rates. Everyday, tens of millions of users in over 150 countries and in organizations such as Deutsche Bahn, The US Navy and Credit Suisse trust Rocket.Chat to keep their communications completely private and secure. By opting for Rocket.Chat, users also benefit from free audio and video conferencing, guest access, screen and file sharing, LiveChat, LDAP Group Sync, two-factor authentication (2FA), E2E encryption, SSO, dozens of OAuth providers and unlimited users, guests, channels, messages, searches and files. Users can set up Rocket.Chat on cloud or by hosting their own servers on-premises. With thousands of contributors and stars on Github, Rocket.Chat has the world’s largest community of chat developers in the open source communication sector. When you choose Rocket.Chat, you join an ever-growing passionate community that constantly improves our platform with us :) KEY FEATURES: * Open Source Software * Hassle-free MIT license * BYOS (bring your own server) * Multiple Rooms * Direct Messages * Private & Public Channels/Groups * Desktop and Mobile Notifications * 100+ available integrations * Edit and Delete Sent Messages * Mentions * Avatars * Markdown * Emojis * Choose between 3 themes: Light, Dark, Black * Sort conversations alphabetically or group by activity, unread or favourites * Transcripts / History * File Upload / Sharing * I18n - [Internationalization with Lingohub] * Hubot Friendly - [Hubot Integration Project] * Media Embeds * Link Previews * LDAP Authentication * REST-full APIs * Remote Locations Video Monitoring * Native Cross-Platform Desktop Application

Screenshots

VARTA AMP1004 screens
Rocket.Chat4 screens

Verdict

The call

The clearest difference is rating: Rocket.Chat at 4.4 against VARTA AMP100's 1.0. Rocket.Chat also leads on review sentiment (62% vs 33%) and ratings volume (3.8K vs 1). VARTA AMP100's advantage is iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Rocket.Chat holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Rocket.Chat has 3.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of VARTA AMP100's written reviews are positive against 62% of Rocket.Chat's.

UpkeepUpdate frequency

VARTA AMP100 ships an update every 3 months, Rocket.Chat every 3 weeks. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

Scorecard5 real differences · 5 level
VARTA AMP100 versus Rocket.Chat: the parameters behind the verdict, then further details
ParameterVARTA AMP100Rocket.Chat
PriceFreeFree
Rating1.0 (1 ratings)4.4 (3.8K ratings) — better
Positive reviews33.3% of reviews61.7% of reviews — better
Number of ratings13.8K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS11.0 — better16.4
Further details — not scored
Size60 MB96 MB
Age rating4+9+
DeveloperMatrix ComSec Pvt. Ltd.Rocket.Chat Technologies Corp.

Customer experience

VARTA AMP100

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Rocket.Chat

All ratings3,754 ratings
Positive84.9%
Neutral5.3%
Negative9.7%
Written reviews860 reviews
Positive61.7%
Neutral10.5%
Negative27.8%

Bugs and requests

VARTA AMP100

Not enough reviews yet to summarise bugs or requests.

Rocket.Chat

Reported bugs

5 issues
  • Messages not loading properly
  • Inability to stay logged in
  • Broken translation feature
  • Compatibility issues with newer devices
  • Admin panel not functioning on mobile

Requested features

5 requests
  • Improved notification settings
  • Enhanced file sharing and management
  • Customizable notification sounds
  • Streamlined admin panel for mobile
  • Integrated video/audio calling

In-app purchases

None

VARTA AMP100

No in-app purchases

None

Rocket.Chat

No in-app purchases

Questions

Is VARTA AMP100 free?
VARTA AMP100 is free to download, with no in-app purchases.
Is Rocket.Chat free?
Rocket.Chat is free to download, with no in-app purchases.
Which has better reviews, VARTA AMP100 or Rocket.Chat?
Rocket.Chat is rated higher. VARTA AMP100 averages 1.0 out of 5 from 1 ratings, while Rocket.Chat averages 4.4 from 3.8K ratings.
Do VARTA AMP100 or Rocket.Chat have ads?
Neither VARTA AMP100 nor Rocket.Chat shows ads.
Which is updated more often, VARTA AMP100 or Rocket.Chat?
VARTA AMP100 ships an update every 3 months, and Rocket.Chat every 3 weeks. Most recently, VARTA AMP100 was updated on November 6, 2026 and Rocket.Chat on November 11, 2026.

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