Best Pdb Apps

87+ iOS apps curated and reviewed

4.0 avg rating

16 free apps

Updated September 2026

From beginner-friendly picks to power-user tools, our pdb list covers 87+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Pdb Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Pdb: Personality & Friends	Free	4.2★ (5.1K)	Yes	Yes	Sep 2026
2	The Typology App - Pdb Classic	Free	4.0★ (120)	Yes	Yes	Sep 2026
3	Vibe - Make New Friends	Free	3.9★ (9.3K)	No	Yes	Sep 2026
4	Wink Dating: Meet, Chat & Date	Free	4.5★ (309K)	Yes	Yes	Sep 2026
5	Wink Social: Make New Friends	Free	4.0★ (5.9K)	Yes	Yes	Sep 2026
6	PDB ePTW+	Free	—	No	No	May 2026
7	PDB Compta	Free	—	No	No	May 2026
8	PDB Viewer: 3D Molecules	Free	—	No	Yes	Sep 2026

Top Picks for Pdb

Pdb: Personality & Friends by PDB PTE. LTD.

MBTI Personality Database

Editor's Choice

🌐 Social Networking

4.2😐(5.1K ratings)

FreeAdsIn-App Purchases

Connect with like-minded individuals based on personality types and shared interests. Explore various typology frameworks, discover your cognitive functions, and build genuine friendships in a safe, inclusive community. Perfect for introverts and deep thinkers seeking meaningful connections.

What We Love

🚀 Convenient app version
👍 Helpful for understanding personality types
🤝 Good for meeting like-minded people
🎨 Aesthetically pleasing design

Room to Improve

💰 Excessive monetization and paywalls
🔍 Lack of filtering/sorting options
🐛 Frequent crashes and bugs
📢 Intrusive ads and pop-ups
🤖 Issues with AI-generated content and profiles

The Typology App - Pdb Classic by PDB PTE. LTD.

Personality & Psychology

Strong Contender

🌟 Lifestyle

4.0😐(120 ratings)

FreeAdsIn-App Purchases

The Typology App - Pdb Classic screenshot 1

The Typology App - Pdb Classic screenshot 2

The Typology App - Pdb Classic screenshot 3

The Typology App - Pdb Classic screenshot 4

Explore personality types and character archetypes through tests and a large database of fictional and real individuals. Discover insights into motivations and behaviors, and create your own quizzes.

What We Love

👍 Good for typology discussions
👍 Better than the other app (pdbee)
👍 No ads or forced social media
👍 Smooth graphics
👍 Easy to start conversations
👍 Fun to express individuality
👍 Functional app
👍 Improvement from before
👍 Original version is amazing
👍 Nice
👍 Wonderful app
👍 Love it
👍 Awesome
👍 Very normal
👍 Good
👍 Great app
👍 Kinda peak
👍 Amazing
👍 Better
👍 Love u whoever made this app
👍 Отдушина от другой версии
👍 Obcecada
👍 Improvement!!
👍 Great App!
👍 Awesome
👍 Huzzah
👍 Finally a normal approach
👍 O melhor
👍 A unique approach
👍 So cool!
👍 Best app for this stuff
👍 Legendary and amazing
👍 The best database about mbti

Room to Improve

🐛 App crashes frequently
🐛 Screen freezes often
🐛 App is laggy
🐛 Cannot log out properly
🐛 Error deleting messages
🐛 App keeps crashing nonstop
🐛 Ads and paid content
🐛 Too many bugs
🐛 AI bot is inaccurate
🐛 App kicks user out when voting
🐛 App is unresponsive
🐛 Severe bugs
🐛 Glitches out and freezes
🐛 Paid subscription required for no ads
🐛 Cannot customize profile images
🐛 Search results yield nothing
🐛 App is unusable
🐛 Forced to review
🐛 Aggressive voters
🐛 People on here are annoying
🐛 Ruined PDB
🐛 Awful experience

Vibe - Make New Friends by Sociaaal LLC

Find friends nearby

Worth Considering

🌟 Lifestyle

3.9😞(9.3K ratings)

FreeIn-App Purchases

Discover new friendships with people in your vicinity. Share anonymous compliments and connect through shared interests. Swipe to find matches, add them on social media, and start chatting.

What We Love

👍 Good app to make friends
🤝 Able to connect with people
💕 Helps find friends

Room to Improve

🤑 Paywall to see who likes you
📢 Too many ads
🤖 Potential for fake/bot accounts
🚫 Limited gender options
🤷‍♀️ Confusing/misleading features
🚫 Difficulty uploading profile pictures

More Pdb apps to explore

Wink Dating: Meet, Chat & Date

Find new people, Make friends

Free

Discover new connections with AI-powered matching based on shared interests and energy. Create unique profiles with AI-generated bios and engage in meaningful conversations. Find friends or partners nearby or globally.

AI-powered matchingCreative profilesAI-generated bios

🌟 Lifestyle

(309K)

free with in-app purchases

Wink Social: Make New Friends

Meet Your People, Chat & Vibe

Free

Discover new friends globally through a swiping interface. Connect with people who share your interests via chat, voice notes, and GIFs. Prioritizes safety with user verification and community guidelines.

Swipe to discover new peopleChat with verified usersShare photos, bios, and voice intros

🌐 Social Networking

(5.9K)

free with in-app purchases

PDB ePTW+

ePTW+ Mobile Application

PDB Viewer: 3D Molecules

Proteins, DNA & AlphaFold 3D

The best DB monitoring tool

Free

This app provides comprehensive real-time monitoring for MySQL, MariaDB, and Percona Server databases. Access critical server status, performance metrics, and detailed event timelines directly from your mobile device.

Server status overviewDatabase version and replication statusDetailed host performance metrics

📊 Productivity

(0)

free

Piping DataBase - Schedule

by Radin Alcira

$3.99

This mobile reference tool provides essential data for piping engineers and professionals in various industries. It offers standard dimensions for steel and stainless steel pipes, supporting both US Customary and SI units.

Standard pipe dimensions (OD, wall thickness, mass)Welded and seamless steel pipesWrought stainless steel pipes

🔧 Utilities

(2)

paid

Piping DataBase - Flanges

by Radin Alcira

$3.99

This app provides a mobile reference for pipe flange specifications, including dimensions, bolt details, and types. It's designed for professionals and students in industries like oil & gas and petrochemicals, offering unit conversion between US Customary and SI.

Pipe flange specificationsLarge diameter flange supportMultiple flange types

🔧 Utilities

(1)

paid

Weldbend Field Reference App

by Weldbend Corporation

Free

Access dimensional data for carbon steel butt-weld fittings and flanges. This digital companion also provides technical and general information for carbon steel pipe systems.

Dimensional data for butt-weld fittingsDimensional data for flangesTechnical information for carbon steel pipe systems

🔍 Reference

(36)

free

HIV Antibody Database

by Zentropy Software

Free

This reference tool provides scientists with quick access to sequence, structure, and neutralization data for anti-HIV antibodies and the HIV-1 strains they target. It aids HIV vaccine research by offering insights into antibody development and recognition.

Antibody sequence dataAntibody structure dataNeutralization data

Dental Exam Flashcards

Free

Prepare for your Pediatric Dental Board exams with a comprehensive flashcard system. Access over 1,000 high-yield questions, detailed explanations, and clinical scenarios to build in-depth knowledge. Track your progress and master the material for test day success.

1,000+ high-yield questions8 exam-based categoriesDetailed explanations

Protein/molecule visualizer

Free

Visualize 3D molecular structures from .pdb files on iOS, iPadOS, and macOS. Features smooth rendering, drag-and-drop support, and publication-quality photo exports for detailed analysis.

3D molecular structure visualizationSupports .pdb and .xyz filesDrag and drop functionality

Interactive protein viewer

Free

Explore 3D molecular structures with interactive visualizations. Load PDB files locally or by ID and utilize various display modes and advanced features like electrostatic potential mapping and structural alignment. All processing is done on-device for privacy.

Load PDB files locally or by IDMultiple structure loading and visibility controlSurface electrostatic potential map

📚 Education

(2)

free

Piping DataBase - XTREME

by Radin Alcira

$9.99

Access a comprehensive piping database with detailed component information, dimensions, and figures. This continuously updated reference app offers a user-friendly interface for piping layout, drawings, and material take-offs. Get all modules for free for a limited time.

Largest piping databaseDetailed component informationStandard piping symbols

🔧 Utilities

(212)

free with in-app purchases

ProteinViewerApp

For Students and Researchers

$4.99

Explore and learn about protein structures in 3D. This tool offers interactive visualization, educational modes, and direct access to protein data for students and researchers.

3D protein visualizationStep-by-step structural insightsEducational modes by category

📚 Education

(2)

paid

The Personality Types

Type Descriptions and Test

Free

Explore the 16 personality types to understand your strengths, weaknesses, and ideal relationships. Discover celebrity matches and receive detailed career and relationship insights. Take a free test to find your type and personalize your experience.

16 personality type descriptionsStrengths and weaknesses analysisRomantic and career match insights

🔍 Reference

(13K)

free

MolAR Augmented Reality

AR for chemistry

Free

Explore molecules and proteins in augmented reality. Visualize structures from online databases or draw your own. Scan real-world objects to see their molecular composition.

Augmented reality molecule visualizationVisualize PubChem moleculesVisualize Protein Data Bank proteins

📚 Education

(8)

free

FAQ about Pdb

What are the best pdb apps for iPhone?

Pdb: Personality & Friends tops our pdb apps ranking as of September 2026, with a 4.2-star average from 5.1K App Store ratings, and it's free to download.

Are there free pdb apps for iPhone?

Yes — 16 of the top pdb apps we rank are free to download, including Pdb: Personality & Friends and The Typology App - Pdb Classic.

Does Pdb: Personality & Friends have ads or in-app purchases?

Pdb: Personality & Friends shows ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many pdb apps are on the App Store?

We track 87+ pdb apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is Pdb: Personality & Friends?

Pdb is a social networking app designed for individuals interested in personality typing and self-discovery. It allows users to connect with others based on shared personality types, explore various typology frameworks like MBTI and Enneagram, and build genuine friendships in a safe and inclusive environment.

What are the key features of Pdb?

Key features include a vast personality database with over 2 million profiles, matching users through shared personalities and interests, in-depth exploration of typology frameworks (MBTI, Enneagram, etc.), post-movie discussion forums, and self-discovery tools. It also offers a safe space for introverts to connect without pressure.

Best Pdb Apps

Compare top Pdb Apps (September 2026)

Top Picks for Pdb

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

What We LoveHighlights summarized from real App Store user reviews

Room to ImproveCommon complaints summarized from real App Store user reviews

More Pdb apps to explore

FAQ about Pdb

Related searches

What We Love

Room to Improve

What We Love

Room to Improve

What We Love

Room to Improve