Comparison

FastCaller vs DVS

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

Head to head
About

FastCaller

This app offers a smart T9 dialer for instant contact search. Quickly find and call contacts with minimal taps by typing any part of their name or number. It features a clean interface and supports multiple languages for efficient communication.

Highlights
  • Smart T9 keyboard for contact search
  • Search by name or number (partial)
  • Multi-language support
  • Quick call via long-press
  • Recent calls prioritized
  • Clean and simple interface
Features
Read full description

FastCaller Smart T9 Dialer for Instant Contact Search FastCaller helps you find and call contacts quickly with fewer taps. Just start typing — you don't need the full name or number. The built-in T9 keyboard matches results instantly using any part of the name, surname, or phone number. The search engine is fast and accurate, designed to get you to the right contact with minimal effort. - T9 keyboard with smart contact search - Works with both names and numbers, even partial ones - Supports multiple languages with matching character sets - Long-press to quickly call a contact - Recent calls stay on top for faster redial - Taptic feedback when the call connects (when dialing from the app) - Simple, clean interface with no clutter FastCaller is made for users who want speed and efficiency in everyday calling.

About

DVS

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The DVS Control app can be used in conjunction with with the DVS Control Unit. The app uses sophisticated software for the use with smart phones, tablets and computers (PC & Mac). By using the DVS Control app you can connect your DVS Control Unit to your wireless network. Once connected you can remotely access the settings of the unit, set alarm notifications and view live sensor readings. For example, if for any reason the oxygen concentration falls below a set point, you will receive an alarm (push notification) to your device. Using the DVS Control app you are able to remotely view how your system is performing. For example, check when the unit was last cleaned. You may also adjust the settings of the control unit, such as the duration of cleaning intervals. Main Features: - Remotely access the DVS Control Unit. - Receive alarms. - View live performance data. - Easily adjust settings. - View temperature, pH and Oxygen %. - Pond water level control

Screenshots

FastCaller4 screens
DVS4 screens

Verdict

The call

The clearest difference is in-app purchases: DVS at none against FastCaller's 4. DVS also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). On price, update cadence 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. FastCaller sells 4 in-app purchases, starting at $0.99 per month. DVS asks for nothing beyond the download.

UpkeepUpdate frequency

FastCaller ships an update every 2 months, DVS every 3 months. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 6 level
FastCaller versus DVS: the parameters behind the verdict, then further details
ParameterFastCallerDVS
PriceFreeFree
Rating4.7 (15 ratings) — better—
Number of ratings15 — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.611.0 — better
Further details — not scored
Size40 MB36 MB
Age rating4+4+
DeveloperRoman BekasSenect GmbH & Co. KG

In-app purchases

4 purchases

FastCaller

Subscriptions2
  • No ADs & Quick Dial monthly$0.991 Month
  • No ADs & Speed Dial yearly$9.991 Year
One-time2
  • Remove Ads$0.99
  • Unlock Quick Dial$0.99
None

DVS

No in-app purchases

Questions

Is FastCaller free?
FastCaller is free to download, with in-app purchases available.
Is DVS free?
DVS is free to download, with no in-app purchases.
Do FastCaller or DVS have ads?
FastCaller shows ads; DVS does not.
Which is updated more often, FastCaller or DVS?
FastCaller ships an update every 2 months, and DVS every 3 months. Most recently, FastCaller was updated on September 24, 2026 and DVS on October 1, 2026.

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