FastCaller vs Flex Call Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Flex Call Manager
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++ Achtung: Die Flex Call Manager App funktioniert nur in Verbindung mit einem aktiven Account ++ Flex Call Manager ist ein modernes Kommunikationssystem von Gamma. Holen Sie sich Ihre Telefonanlage auf Ihr Smartphone. Über diese App verwenden Sie Ihr Smartphone als mobile Nebenstelle Ihrer virtuellen Telefonanlage. Empfangen und starten Sie weltweit Anrufe unter Ihrer Festnetznummer und telefonieren Sie kostengünstig auch unterwegs. Nutzen Sie die Funktionen Ihrer Telefonanlage sowie alle Features der Gamma FlexPBX.
Screenshots
Verdict
The clearest difference is in-app purchases: Flex Call Manager at none against FastCaller's 4. Flex Call Manager also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). On price and iOS requirement 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. FastCaller sells 4 in-app purchases, starting at $0.99 per month. Flex Call Manager asks for nothing beyond the download.
FastCaller ships an update every 2 months, Flex Call Manager monthly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.
| Parameter | FastCaller | Flex Call Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (18 ratings) — better | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Roman Bekas | Gamma Communications GmbH |
In-app purchases
FastCaller
- No ADs & Quick Dial monthly$0.991 Month
- No ADs & Speed Dial yearly$9.991 Year
- Remove Ads$0.99
- Unlock Quick Dial$0.99
Flex Call Manager
No in-app purchases
