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Best apps like W21

26+ similar apps compared and reviewed

3.9 avg rating
9 free apps
Updated August 2026
W21
W21
传林 方
🔧 Utilities
📊 Productivity

Looking for something like W21? We've analyzed 26+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to W21

GV Connect#1

GV Connect by Andreas Amann

Call & SMS for Google Voice
Editor's Choice
🔧 Utilities
3.9😊(273 ratings)
$2.99In-App Purchases
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GV Connect screenshot 5

Manage your Google Voice account with a feature-rich app. Send texts, make calls, listen to voicemails with transcriptions, and organize your conversations. Offers advanced settings and offline access.

What We Love

  • 👍 Great app for Google Voice management
  • 🚀 Supports Google Voice better than official app
  • 💡 Useful features like location-based profiles
  • 🔒 Secure with password lock option

Room to Improve

  • 🐛 Notifications don't work in real-time
  • 🐛 MMS/picture sharing issues
  • 🐛 Login and connection problems
Video Files Converter MP3 GIF#2

Video Files Converter MP3 GIF by OFFIWIZ, S.L.

Edit video files, podcast, MP3
Strong Contender
🔧 Utilities
3.8😞(339 ratings)
FreeIn-App Purchases
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Video Files Converter MP3 GIF screenshot 5

This app converts various video file formats to others, including audio and image formats. It supports numerous extensions and allows for easy sharing of converted files. The app is optimized for resource efficiency and offers background conversion with notifications.

What We Love

  • 👍 Works well for some users
  • 🚀 Fast and accurate conversions (rare)
  • 👍 Easy to use (rare)

Room to Improve

  • 👎 Many users report it doesn't work
  • 👎 Frequent complaints about being charged unexpectedly
  • 👎 Free trial misleading, immediate charges
Atomic Clock PRO#3

Atomic Clock PRO by Brachmann Online Marketing GmbH & Co. KG

Exact Time Digital and Analog
Worth Considering
🔧 Utilities
4.7😐(10K ratings)
FreeAdsIn-App Purchases
Atomic Clock PRO screenshot 1
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Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

What We Love

  • ⭐ Accurate time display
  • 📟 Useful for timing events
  • 🕰️ Helpful for setting other clocks
  • 🔍 Large, easy-to-read clock face

Room to Improve

  • 💸 Subscription model for ad-free version
  • 📢 Excessive advertisements
  • 🔍 Small font for seconds display

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BitVision
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This app uses slow-motion video to create a strobe light effect, allowing you to measure rotational speeds. It records video with detailed information like frame rate and exposure, and offers customizable text overlays.

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Monitor temperature and humidity data from WiFi data loggers directly on your iOS device. View live and historical readings, receive instant alarm notifications, and quickly access data from your most important sensors.

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LD Atlas
LD Atlas
LD Atlas
Noise & Vibration Monitoring
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This application connects to specific noise dosimeters and vibration meters via Bluetooth or WiFi. It enables users to monitor meter status, perform calibrations, conduct measurements, and generate detailed PDF reports for analysis.

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WiZ Pro Setup
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This app assists installers with the initial setup and testing of WiZ Pro lighting products. It allows for basic control and commissioning even before Wi-Fi is available, streamlining the installation process.

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SOLARMAN Business
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This platform offers comprehensive management for plant operations and maintenance, including personnel, monitoring, and intelligent analysis. It also provides device-specific services like firmware upgrades and command control for after-sales support.

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