Comparison

ICU vs Lokalise

On the evidence we track, Lokalise leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

ICU full profile →Lokalise full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

ICU58

★Lokalise67

Attribute comparison across 2 tools
Attribute	ICU	LokaliseLeader
vioscaleAI score	58 / 100medium · 53%	67 / 100medium · 71%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	free	high
Starting pricepricing.starting_price	-	$375
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	20	60
Security
Gdprsecurity.gdpr	-	✓
Iso27001security.iso27001	-	✓
Scorecardsecurity.scorecard	9	-
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.ibm.icu%3Aicu4j&per_page=100 · Last 12m: 0	-
Adoption
Dependent reposadoption.dependent_repos	6,271	-
Github starsadoption.github_stars	3,616	-
Activity
Commits last 30dactivity.commits_last_30d	63	-
Release
Cadence daysrelease.cadence_days	49	-
Historyrelease.history	20 items	-
Language
Primarylanguage.primary	C++	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide
Content
Faqcontent.faq	4 items	6 items

Score

vioscaleAI score

ICU58 / 100medium · 53%

Lokalise67 / 100medium · 71%

Pricing

Free tier

ICU–

Lokalise✓

Model

ICUcommercial

Lokalisefreemium

Price level

ICUfree

Lokalisehigh

Starting price

ICU–

Lokalise$375

Transparent

ICU–

Lokalise✓

Integrations

Count

ICU20

Lokalise60

Security

Gdpr

ICU–

Lokalise✓

Iso27001

ICU–

Lokalise✓

Scorecard

ICU9

Lokalise–

Soc2

ICU–

Lokalise✓

Vulnerabilities

ICUCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.ibm.icu%3Aicu4j&per_page=100 · Last 12m: 0

Lokalise–

Adoption

Dependent repos

ICU6,271

Lokalise–

Github stars

ICU3,616

Lokalise–

Activity

Commits last 30d

ICU63

Lokalise–

Release

Cadence days

ICU49

Lokalise–

History

ICU20 items

Lokalise–

Language

Primary

ICUC++

Lokalise–

Market

Availability

ICUAvailable worldwide

LokaliseAvailable worldwide

Content

Faq

ICU4 items

Lokalise6 items

Capabilities

Feature-by-feature on the axes that matter for localization i18n. “-” means undocumented, not absent.

Capability comparison for Localization I18N
Capability	ICU	Lokalise
Capabilities
Cldr plural rules	✓	-
Rtl bidi support	-	-
Translation memory	-	✓
Glossary terminology	-	✓
In context editing	-	✓
Ota updates	-	✓
Self hostable	-	✗
Managed translation services	-	-
Qa checks	-	✓

Capabilities

Cldr plural rules

ICU✓

Lokalise-

Rtl bidi support

ICU-

Lokalise-

Translation memory

ICU-

Lokalise✓

Glossary terminology

ICU-

Lokalise✓

In context editing

ICU-

Lokalise✓

Ota updates

ICU-

Lokalise✓

Self hostable

ICU-

Lokalise✗

Managed translation services

ICU-

Lokalise-

Qa checks

ICU-

Lokalise✓

What each one is

The product in its own terms, so the numbers below have context.

ICU

ICU is a widely-used open-source library that provides Unicode text handling, internationalization services, and localization support for C, C++, and Java applications. It fills gaps in platform-native Unicode support, enabling portable text processing across operating systems and programming environments.

Independently observed

Lokalise

Leader

A software localization platform that helps development teams manage multilingual content by processing translation files and offering API-based integration options

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ICU

Open source

as of 2026-08-19verify ↗

Lokalise

Leader

from $375/moSubscriptionFree tier14-day trial

From $375/mo. Free 14-day trial.

StarterFree
Growth$375/mo
Advanced$999/mo
EnterpriseContact sales

as of 2026-08-25verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	ICU	Lokalise
WebPlatforms	✓	✓
iOSPlatforms	✓	✓
AndroidPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	-	✓

Platforms

Web

ICU✓

Lokalise✓

iOS

ICU✓

Lokalise✓

Android

ICU✓

Lokalise✓

macOS

ICU✓

Lokalise✗

Windows

ICU✓

Lokalise✗

Linux

ICU✓

Lokalise✗

CLI

ICU✓

Lokalise✗

Deployment

Cloud / SaaS

ICU–

Lokalise✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

ICU

20 total

Adobe
Amazon (Kindle)
Apache
Apple
eBay
Google
Chrome
Android
Google Maps
Google Analytics
Gmail
Facebook (HHVM)
Microsoft
Eclipse
FreeBSD
Debian Linux
CouchDB
Firebird RDBMS
ESRI
CERN

Independently observed

Lokalise

Leader

13 total

WordPress
Asana
Figma
Jira
GitHub
Trello
Salesforce
Salesforce Sales Cloud
Salesforce Knowledge
Salesforce Marketing Cloud
Amazon S3
Google Cloud Storage
Okta

Independently observed

Still deciding?

ICU or Lokalise: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.