This app helps professionals manage their extensive contact lists with advanced verification and easy sharing features. It automatically cleans outdated email addresses and allows for quick contact creation from email signatures.
5.0(3 ratings)
Free
Best apps like F4S
10+ similar apps compared and reviewed
3.1 avg rating
10 free apps
Updated July 2026
F4S is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to F4S
ICEnergy by Inter-County Energy
Strong Contender
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1.5(31 ratings)
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Manage your energy account securely and conveniently on the go. View your balance, make payments, schedule alerts, and receive notifications. Access nearly all web portal features instantly from your mobile device.
TELEDYNE ISCO FlowCalc by FutureSight Studios Ltd
Worth Considering
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4.5(2 ratings)
FreeAds
This utility app provides quick and accurate open channel flow rate calculations for field or office use. Select your measurement method, enter dimensions and head/velocity, and receive instant results. It supports multiple flow methods, area-velocity calculations, and unit switching.
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Cynet Dashboard
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Gain immediate insights into your organization's security posture from anywhere. Monitor assets, receive real-time alerts, and communicate security status to management. Engage expert SOC teams instantly for rapid threat response.
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YOU DUO
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Take control of your home network with this app. It offers robust features for managing connected devices, enhancing security, and implementing parental controls. Prioritize network traffic and ensure a stable online experience for your household.
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Pentair Temp
by Pentair Water Pool and Spa, Inc
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Control your compatible Pentair heat pump remotely for pool comfort. Adjust water temperature, select modes, and receive alerts. The app also facilitates secure remote management for technical service, including supervision and maintenance.
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Color Control
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Easily manage your Bluetooth RGBW lamps. Scan for devices, turn lights on/off, and customize colors using a slider or personal preference module.
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Contacts Merge | Clean&Backup
Contacts Merge | Clean&Backup
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Effortlessly clean up your contact list by finding and merging duplicate entries. This app helps you sort contacts by various criteria and offers automatic backups for peace of mind. Easily manage your address book with a user-friendly interface.
Find duplicate contactsMerge duplicate contactsSort contacts by name, phone, email
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SRElectric
by Salt River Electric Cooperative Corporation
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Manage your utility account securely and conveniently from your mobile device. Access account details, view bills and balances, make payments, and set up alerts and reminders. Enjoy instant access to most features from anywhere.
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