Best apps like CalcLab: Smart Unit Converter

7+ similar apps compared and reviewed

4.4 avg rating
7 free apps
Updated September 2026

CalcLab is great, but it's not the only option. Explore 7+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to CalcLab

AllConvert: Image & Video Tool#2

AllConvert: Image & Video Tool by 赞 田

PNG, GIF, PDF & More
Strong Contender
🔧 Utilities
3.5😞(1.3K ratings)
FreeIn-App Purchases
#88in Utilities
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Easily convert your files to a wide range of formats including documents, ebooks, images, audio, and video. This app handles your media conversion needs quickly and securely, with files deleted from servers within 24 hours.

What We Love

  • 🚀 Fast, simple, and no quality loss
  • 🚀 Batch processing is a beast
  • 🚀 Handles video, audio, images, and docs

Room to Improve

  • 💰 Requires $20/week subscription
  • 🔒 Cannot access photos, so don't know how it works
  • 🐛 Slow app with no instructions on how to use it
  • 🐛 Doesn't work, keeps wanting new apps
  • 🐛 App doesn't work, waste of money
Storage Clean: Free Up Space#3

Storage Clean: Free Up Space by C-JM LIMITED

Photo Video Cleaner & Compress
Worth Considering
🔧 Utilities
4.5(1.1K ratings)
FreeIn-App Purchases
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This app helps you free up iPhone storage by intelligently cleaning duplicate contacts and similar photos. It uses AI to identify and remove redundant media, offering multiple cleaning modes and a simple interface for efficient device management.

More apps like CalcLab

4
PDF Reader - Easy Editor
PDF Reader - Easy Editor
PDF Reader - Easy Editor
Efficient PDF Processing Tool
Free

Transform your smartphone into a powerful PDF scanner and editor. Easily convert images and documents to PDF, or convert PDFs to other formats. Protect your files with encryption and share them securely.

Scan documentsConvert images to PDFConvert PDF to other formats
🔧 Utilities
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ad-supported
5
EasyQR Code Scan
EasyQR Code Scan
EasyQR Code Scan
QR Scanner, Generator & Reader
Free

Scan, create, and manage QR and barcodes with this intuitive utility. It offers fast and secure code handling for various tasks, including shopping and business. Generate personalized codes with artistic designs and even recognize objects using AI.

Scan QR codes and barcodesCreate personalized QR codesSave and organize scan history
🔧 Utilities
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ad-supported
6
AI Voice Changer & Converter
AI Voice Changer & Converter
AI Voice Changer & Converter
Audio Effects & Transcribe
Free

Effortlessly convert spoken words into accurate written text in real-time. This app offers a user-friendly interface, customizable settings, and offline functionality for seamless note-taking, transcription, and content creation.

Instant transcriptionHigh accuracy speech recognitionUser-friendly interface
🔧 Utilities
(331)
free with in-app purchases
7
TransEase: Realtime Translator
TransEase: Realtime Translator
TransEase: Realtime Translator
Text, Voice & Photo Translator
Free

Break down language barriers with this powerful translation tool. It offers real-time text, voice, and image translation in over 100 languages, with an offline mode for when you're without internet. Its user-friendly interface makes global communication effortless.

Instant translation in over 100 languagesReal-time voice recognition translationOffline translation mode
🔧 Utilities
(700)
free with in-app purchases