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Best apps like Build38 OTP

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated September 2026
Build38 OTP
📊 Productivity

Whether you want more options like Build38 OTP or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
KobCard screenshot 1
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KobCard screenshot 4

KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Build38 OTP

Ermine - Calendar & Widgets#2

Ermine - Calendar & Widgets by Flask LLP

Calendar & Custom Widgets
Strong Contender
📊 Productivity
4.6😐(1.1K ratings)
FreeIn-App Purchases
Ermine - Calendar & Widgets screenshot 1
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Ermine - Calendar & Widgets screenshot 6

This app provides customizable calendar widgets for your device. View your schedule at a glance with options for color, photos, illustrations, and event countdowns. It integrates with your existing calendars and displays holidays.

What We Love

  • 🚀 Aesthetically pleasing and customizable
  • 👍 Syncs well with existing calendars
  • 🚀 Simple and easy to use
  • 👍 Provides full monthly view with event details
  • 👍 Variety of font and color options

Room to Improve

  • 🐛 Widget date not updating correctly
  • 🐛 Calendar wiping/resetting events
  • 🐛 Unresponsive app after certain actions
  • 🐛 Blank/broken widget after updates
  • 🐛 Incorrect calendar dates and days of the week
Dumb Phone — Launcher & Themes#3

Dumb Phone — Launcher & Themes by Yevhen Tretiakov

Minimalist home & widgets
Worth Considering
📊 Productivity
4.2😐(223 ratings)
FreeIn-App Purchases
Dumb Phone — Launcher & Themes screenshot 1
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Transform your smartphone into a calmer, more intentional device. This app offers a minimalist home screen, control over app and website usage, and mindful pauses to reduce distractions and promote focused use.

What We Love

  • 👍 Minimal, clean aesthetic design
  • 💡 Highly customizable appearance (fonts, colors, spacing)
  • 🎯 Effective for reducing phone addiction and screen time
  • ⚡ Lightweight and simple to use
  • 💰 One-time purchase option (no subscription required)
  • 🔧 Good developer responsiveness to bug reports
  • 📱 Works across iPhone and iPad
  • 🎨 Flexible integration with iOS Shortcuts

Room to Improve

  • 🐛 Frequent widget breakage after iOS updates
  • 😤 Widgets disappear or stop functioning regularly
  • 💸 Controversial shift to subscription model for existing users
  • 🔄 Requires manual widget recreation after updates
  • ⚠️ App becomes non-functional without subscription payment
  • 😞 Poor communication and support responsiveness
  • 🚫 Shortcuts fail to launch apps (opens app instead)
  • 📉 Stability issues across multiple iOS versions

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4
Comelit SimpleApp
Comelit SimpleApp
Comelit SimpleApp
by Comelit Group Spa
Free

Manage your connected condominium video door entry system from your smartphone. Receive calls, view cameras, and control gates and lights remotely. Setup is quick and easy via QR code scanning.

Receive video door entry callsView system camerasAccess recorded video messages
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(10)
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5
Tomato Timer ۬
Tomato Timer ۬
Tomato Timer ۬
Pomdoro Productivity Timer
Free

This app helps you improve focus and productivity using the Pomodoro Technique. It offers customizable timers, ambient soundscapes, sub-task management, and detailed statistics to track your progress.

Customizable Pomodoro timersMultiple ambient sound optionsSub-task management
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(188)
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6
Gnowbe - training, onboarding
Gnowbe - training, onboarding
Gnowbe - training, onboarding
All-in-one trainer toolkit
Free

This tool allows creators to design, facilitate, and analyze engaging learning experiences for training and onboarding. It supports microlearning, social learning, and offers offline access, personalization, and gamification. The platform integrates with over 200 platforms and supports over 100 languages.

MicrolearningSocial learningOffline access
📊 Productivity
(18)
free with in-app purchases
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7
Passkeys App
Passkeys App
Passkeys App
Secure Passwordless Login
Free

This app offers a secure and simple way to log into your accounts without passwords. It uses biometric authentication like Face ID or Touch ID for quick setup and effortless sign-ins, providing next-generation security and phishing protection.

Passwordless sign-insBiometric authentication (Face ID/Touch ID)Encrypted data storage
📊 Productivity
(967)
freemium
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8
Hubstaff Time Tracker
Hubstaff Time Tracker
Hubstaff Time Tracker
Work hours & GPS logs
Free

Easily track work hours with a simple timer and log time to specific tasks or projects. Utilize GPS tracking and geofencing to automatically log time based on job site arrival and departure. Add context with notes and photos, and gain insights through reports and team location monitoring.

Simple time tracking with timersGPS tracking and geofencingAdd notes and photos to entries
📊 Productivity
(1.4K)
free
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9
Chatbot AI Assistant - Savvi
Chatbot AI Assistant - Savvi
Chatbot AI Assistant - Savvi
Image,Logo,Tattoo,Photo Editor
Free

This AI assistant leverages multiple advanced language models to help you chat, create, and learn. Generate AI art, logos, and tattoos, or get help with homework and professional content. It also allows file uploads and web searches for real-time information.

Chat with multiple AI modelsGenerate AI art and imagesCreate logos and tattoos
📊 Productivity
(879)
free with in-app purchases
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10
Be Focused – Deep Focus Timer
Be Focused – Deep Focus Timer
Be Focused – Deep Focus Timer
Work & Study Pomodoro Timer
Free

This app helps you stay focused by breaking down tasks into timed work intervals with short breaks. It offers task management, customizable timers, progress tracking, and cross-device synchronization. Enhance your productivity and concentration with this effective tool.

Task creation and managementCustomizable work/break intervalsProgress tracking and reports
📊 Productivity
(4.3K)
free with in-app purchases
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