DB-EnginesInfluxDB download bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Firebase Realtime Database vs. Realm vs. Redis

System Properties Comparison Firebase Realtime Database vs. Realm vs. Redis

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameFirebase Realtime Database  Xexclude from comparisonRealm  Xexclude from comparisonRedis  Xexclude from comparison
DescriptionCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.A DBMS built for use on mobile devices that’s a fast, easy to use alternative to SQLite and Core DataIn-memory data structure store, used as database, cache and message broker infoRedis focuses on performance so most of its design decisions prioritize high performance and very low latencies.
Primary database modelDocument storeDocument storeKey-value store infoMultiple data types and a rich set of operations, as well as configurable data expiration, eviction and persistence
Secondary database modelsDocument store infowith Redis Modules
Graph DBMS infowith Redis Modules
Search engine infowith Redis Modules
Time Series DBMS infowith Redis Modules
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score15.11
Rank#36  Overall
#6  Document stores
Score8.59
Rank#46  Overall
#8  Document stores
Score150.05
Rank#8  Overall
#1  Key-value stores
Websitefirebase.google.com/­products/­realtime-databaserealm.ioredis.io
Technical documentationfirebase.google.com/­docs/­databaserealm.io/­docsredis.io/­documentation
DeveloperGoogle infoacquired by Google 2014Realm, acquired by MongoDB in May 2019Salvatore Sanfilippo infoDevelopment sponsored by Redis Labs
Initial release201220142009
Current release6.0.5, June 2020
License infoCommercial or Open SourcecommercialOpen SourceOpen Source infoBSD 3-Clause, commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC
Server operating systemshostedAndroid
Backend: server-less
iOS
Windows
BSD
Linux
OS X
Windows infoported and maintained by Microsoft Open Technologies, Inc.
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateyesyespartial infoSupported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyesyesyes infowith RediSearch module
SQL infoSupport of SQLnonono
APIs and other access methodsAndroid
iOS
JavaScript API
RESTful HTTP API
proprietary protocol infoRESP - REdis Serialization Protocol
Supported programming languagesJava
JavaScript
Objective-C
.Net
Java infowith Android only
Objective-C
React Native
Swift
C
C#
C++
Clojure
Crystal
D
Dart
Elixir
Erlang
Fancy
Go
Haskell
Haxe
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Objective-C
OCaml
Pascal
Perl
PHP
Prolog
Pure Data
Python
R
Rebol
Ruby
Rust
Scala
Scheme
Smalltalk
Swift
Tcl
Visual Basic
Server-side scripts infoStored procedureslimited functionality with using 'rules'no inforuns within the applications so server-side scripts are unnecessaryLua
TriggersCallbacks are triggered when data changesyes infoChange Listenersno
Partitioning methods infoMethods for storing different data on different nodesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-slave replication infoChained replication is supported
Multi-master replication infowith Redis Enterprise Pack
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Immediate ConsistencyEventual Consistency
Strong eventual consistency with CRDTs
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDOptimistic locking, atomic execution of commands blocks and scripts
Concurrency infoSupport for concurrent manipulation of datayesyes infoData access is serialized by the server
Durability infoSupport for making data persistentyesyesyes infoConfigurable mechanisms for persistency via snapshots and/or operations logs
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoIn-Memory realmyes
User concepts infoAccess controlyes, based on authentication and database rulesyesSimple password-based access control infoAccess control lists and SSL are available in the commercial version
More information provided by the system vendor
Firebase Realtime DatabaseRealmRedis
Specific characteristicsNow a part of MongoDB Data Platform , Realm Database is the fast, easy to use, and...
» more
Competitive advantagesRealm ensures offline-first functionality, meaning apps run smoothly and deliver...
» more
Typical application scenariosMobile Consumer Apps First-Line Worker Apps
» more
Key customersCathay Pacific Royal Carribbean Cruise Lines Open Source Database powers apps built...
» more
Market metricsUsed by 100,000+ developers 2 bn installs Currently used in 40k+ applications in...
» more
Licensing and pricing modelsRealm database is licensed under the Apache License v2.0.
» more

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services
3rd partiesScaleGrid: Fully managed Redis-as-a-Service in the cloud.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

Datadog: Monitor all Redis metrics: hit rates, clients, commands per second, and more.
» more

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Firebase Realtime DatabaseRealmRedis
DB-Engines blog posts

Cloud-based DBMS's popularity grows at high rates
12 December 2019, Paul Andlinger

show all

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

show all

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

MongoDB is the DBMS of the year, defending the title from last year
7 January 2015, Paul Andlinger, Matthias Gelbmann

show all

Recent citations in the news

Firebase URL 'leaked technical information on Babylon's GP at Hand'
19 June 2020, Digital Health

Introduction to the Firebase Database
9 March 2020, Database Journal

Over 4000 Android Apps Expose Users' Data via Misconfigured Firebase Databases
12 May 2020, Internet

Why the future of enterprise data is open source
4 June 2020, TechRepublic

Exposed Firebase databases hidden by Google search
2 December 2019, TechTarget

provided by Google News

MongoDB Cloud brings developers and edge together
10 June 2020, TechRadar South Africa

MongoDB extends cloud lineup with new database release
15 June 2020, CRN Australia

MongoDB Cloud Gives Developers An Escape From Data Silos With First-Ever Unified Cloud-To-Mobile Experience
9 June 2020, PRNewswire

MongoDB Cloud Delivers Unified Cloud-To-Mobile Experience for Developers
12 June 2020, Database Trends and Applications

GDG North Jersey's February Meeting Covers Realm, A New Mobile Database
6 March 2016, njtechweekly.com

provided by Google News

Redis database creator Sanfilippo: Why I'm stepping down from the open-source project
2 July 2020, ZDNet

Redis 6: A high-speed database, cache, and message broker
21 June 2020, IDG Connect

Redis Labs Unveils New Open Source Project, RedisRaft
24 June 2020, Database Trends and Applications

ScaleGrid DigitalOcean Support for MySQL, PostgreSQL and Redis™ Now Available
9 June 2020, PRNewswire

In-Memory Database Market 2020 – 2027 Based on COVID-19 Impact Analysis, Top Players – Pivotal Software Inc., Voltdb Inc., Centrum Wiskunde & Informatica, Gridgain Systems Inc., Redis Labs, etc.
2 July 2020, 3rd Watch News

provided by Google News

Job opportunities

Data Engineering Intern
decormatters, Milpitas, CA

Systems Analyst
RYZLINK, Santa Clara, CA

App Developer
Tipper, Menlo Park, CA

FULLSTACK DEVELOPER
Appstem Media, San Francisco, CA

Senior Frontend Engineer
TutorMe, Los Angeles, CA

PostgreSQL Database Admin
AWeber, Philadelphia, PA

Software Engineer, Performance (Bellevue, WA) (Remote Eligible)
Okta, Bellevue, WA

Staff Software Engineer - Core Services
Lob, California

Software Engineer, Performance (Atlanta, GA) (Remote Eligible)
Okta, Atlanta, GA

Entry Level Java Developer
Quantum Technologies Inc., Falls Church, VA

jobs by Indeed




Share this page

Featured Products

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

Arangodb logo

One open-source engine for graph, document & search. Simplify your deployment
stack on Prem, in the cloud - Anywhere.

Datastax Astra logo

Cassandra made easy in the cloud. Build cloud-native applications faster with CQL, REST and GraphQL APIs.
Try for Free.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Present your product here