Best Customer Database Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good customer database apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Customer Database Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Customer DatabaseCustomer DatabaseFree4.8★ (42)NoYesJul 2026
2Clients: Your Client Book, CRMClients: Your Client Book, CRMFree4.5★ (412)NoYesAug 2026
3HubSpotHubSpotFree4.7★ (15K)NoNoAug 2026
4Contacts Journal CRMContacts Journal CRMFree4.7★ (2.4K)NoYesAug 2026
5Customer List: Client RecordsCustomer List: Client RecordsFree5.0★ (4)NoYesJul 2026
6Day Base: Custom DatabaseDay Base: Custom DatabaseFreeNoNoJun 2026
7AirtableAirtableFree4.8★ (25K)NoNoSep 2026
8MobiDB DatabaseMobiDB DatabaseFree3.9★ (82)YesYesJul 2026

Top Picks for Customer Database

Customer Database#1

Customer Database by Georg Sieber

Simple Customer Management
Editor's Choice
🔧 Utilities
4.8(42 ratings)
FreeIn-App Purchases
Customer Database screenshot 1
Customer Database screenshot 2
Customer Database screenshot 3
Customer Database screenshot 4
Customer Database screenshot 5

Manage customer information securely on your mobile device, separate from personal contacts. Sync data with a MySQL server for backup and multi-device access. Includes GDPR tools, customer grouping, birthday management, and newsletter capabilities.

Clients: Your Client Book, CRM#2

Clients: Your Client Book, CRM by Dmitry Petrushin

Manage Your Customer Database
Strong Contender
💼 Business
4.5😊(412 ratings)
FreeIn-App Purchases
Clients: Your Client Book, CRM screenshot 1
Clients: Your Client Book, CRM screenshot 2
Clients: Your Client Book, CRM screenshot 3
Clients: Your Client Book, CRM screenshot 4
Clients: Your Client Book, CRM screenshot 5

Effortlessly store and manage your client data with this simple and beautiful application. Organize customer interactions, make notes, import contacts, and set reminders. Communicate with clients via email, SMS, or direct calls, all from one place.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and efficient
  • 💡 Helpful for small businesses
  • 🔒 Secure data storage

Room to Improve

  • 🐛 Bugs and glitches
  • 🔓 Limited offline functionality
  • 🔍 Lack of customization options
HubSpot#3

HubSpot by HubSpot, Inc.

The AI-Powered CRM
Worth Considering
💼 Business
4.7😐(15K ratings)
Free
HubSpot screenshot 1
HubSpot screenshot 2
HubSpot screenshot 3
HubSpot screenshot 4
HubSpot screenshot 5

This app unifies customer-facing teams on an AI-powered platform, offering a comprehensive customer view and enabling quick actions from any location. It includes an AI assistant to provide insights, draft communications, and support deal closing while on the move.

What We Love

  • 👍 Simple to use
  • 🚀 Ease of use
  • 🚀 Intuitive user interface
  • 🚀 Streamlined workflow

Room to Improve

  • 🐛 Buggy app with crashes
  • 🐛 Unreliable search function
  • 🔒 Lack of security features

More Customer Database apps to explore

4
Contacts Journal CRM
Contacts Journal CRM
Contacts Journal CRM
Manage Customers and Clients
Free

This app helps you manage customer relationships by tracking conversations, organizing contacts, and scheduling follow-ups. It allows you to store notes, files, and documents, and offers features like contact mapping and email templates to build stronger connections and never miss opportunities.

Track last interaction with contactsManage follow-ups and remindersOrganize contacts with tags and filters
💼 Business
(2.4K)
free with in-app purchases
5
Customer List: Client Records
Customer List: Client Records
Customer List: Client Records
Customer Database, Client list
Free

Manage client relationships and tasks with this comprehensive customer management system. Organize client records, notes, and deadlines to provide exceptional service and grow your business. Features include offline access and a client planner.

Build customer listsSave customer notesManage client tasks
💼 Business
(4)
free with in-app purchases
6
Day Base: Custom Database
Day Base: Custom Database
Day Base: Custom Database
Collect and organize anything
Free
📊 Productivity
(0)
7
Airtable
Airtable
Airtable
by Formagrid
Free

Build custom apps and organize your life with a flexible database solution. Create checklists, manage contacts, catalog collections, and track projects with customizable templates or from scratch. Collaborate in real-time with others on your iOS device.

Create custom appsFlexible checklistsOrganize collections
📊 Productivity
(25K)
free with in-app purchases
8
MobiDB Database
MobiDB Database
MobiDB Database
Database app with cloud sync
Free

This offline database application allows users to organize, manage, and search data with cloud synchronization. It supports data exchange with popular spreadsheet and database software, and offers a visual form designer for attractive data presentation. Ideal for both personal and team use, it facilitates collaboration and offline work.

Offline database functionalityCloud synchronization (Dropbox, OneDrive, Google Drive)Visual form designer
📊 Productivity
(82)
free with in-app purchases
9
Client Note Tracker - Easy CRM
Client Note Tracker - Easy CRM
Client Note Tracker - Easy CRM
Customers, Records, Journal
Free

Easily record and retrieve client interactions and details. Add custom fields, notes with photos, and access your data across multiple devices via cloud backup. Ideal for professionals needing organized client management.

Searchable client listCustom client fieldsNotes with photos and dictation
💼 Business
(101)
freemium
10
Mini Database
Mini Database
Mini Database
Lightweight database manager.
Free
📊 Productivity
(0)
11
Co Database
Co Database
Co Database
Build flexible cloud databases
Free
🔍 Reference
(0)
12
EZ Database
EZ Database
EZ Database
Easy personal database
Free

Create custom databases without coding. Organize any type of information, from contacts to collections, with user-defined structures. Export data in CSV format for easy sharing and backup.

Custom database creationNo programming requiredTrack any data type
💼 Business
(37)
free with in-app purchases
13
HoneyBook - Small Business CRM
HoneyBook - Small Business CRM
HoneyBook - Small Business CRM
Invoices, Contracts, Payments
Free

Streamline your independent business operations with tools for invoicing, contracts, payments, project tracking, and client scheduling. Automate tasks and manage expenses to deliver exceptional client experiences and stay in control of your business.

Mobile invoicingOnline contractsSecure payment collection
💼 Business
(16K)
free with in-app purchases
14
Clientbook Retail
Clientbook Retail
Clientbook Retail
clienteling, messaging, crm
Free

This app helps retail sales associates manage customer relationships and communication. It centralizes customer information, tracks follow-ups, and provides a unified messaging system, replacing traditional physical client books. Store management gains insights through a reporting dashboard.

Centralized client managementUnified SMS and email messagingCustomer data tracking (follow-ups, history, preferences)
💼 Business
(1.2K)
subscription
15
Mobile Database Client
Mobile Database Client
Mobile Database Client
by 文睿 李
Free

A lightweight SQL tool for managing MySQL and SQLite databases on iOS devices. It offers a robust SQL editor with syntax highlighting and autocomplete, along with efficient table browsing and data manipulation features. Export query results and utilize a multilingual interface for streamlined development and troubleshooting.

MySQL and SQLite supportSQL editor with syntax highlightingTable browsing and data management
🛠️ Developer Tools
(1)
free
16
Seiretsu Customer
Seiretsu Customer
Seiretsu Customer
by Marlon Freckleton
Free
💼 Business
(0)
17
Relcu
Relcu
Relcu
Modern CRM
Free
💼 Business
(0)
18
Fil Customer
Fil Customer
Fil Customer
by Fil Blue sarl
Free
🔍 Reference
(0)
19
DBPort: Modern Database Client
DBPort: Modern Database Client
DBPort: Modern Database Client
SQL Client with SSH & AI
Free
🛠️ Developer Tools
(0)
20
Imdaad Customer
Imdaad Customer
Imdaad Customer
by Vikram Cheenepalli
Free
📊 Productivity
(0)

FAQ about Customer Database

What are the best customer database apps for iPhone?
Customer Database tops our customer database apps ranking as of August 2026, with a 4.8-star average from 42 App Store ratings, and it's free to download.
Yes — 20 of the top customer database apps we rank are free to download, including Customer Database and Clients: Your Client Book, CRM.
Customer Database has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ customer database apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Customer Database is a utility app designed for managing customer information separately from personal contacts on smartphones and tablets. It offers features like data syncing, GDPR tools, and customer grouping.
Yes, you can sync your data with a self-hosted MySQL server to prevent data loss and enable multi-device synchronization. This ensures your customer information is backed up and accessible across different devices.