Best Undss Apps

249+ iOS apps curated and reviewed

3.5 avg rating

20 free apps

Updated November 2026

With an average user rating of 3.5★, the undss category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Undss Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Electronic Travel Advisory	Free	4.1★ (25)	No	No	Oct 2026
2	UNDSS PSA Tool	Free	—	No	No	Oct 2026
3	UN System Booking Hub	Free	4.7★ (475)	No	No	Oct 2026
4	UN "HOW TO"	Free	5.0★ (5)	No	No	Nov 2026
5	UK ETA	Free	3.2★ (1.6K)	No	No	Nov 2026
6	UNFCU Digital Banking	Free	2.9★ (163)	No	No	Nov 2026
7	DC Metro ETA	Free	4.9★ (73)	No	No	Nov 2026
8	AustralianETA	Free	4.8★ (91K)	No	No	Nov 2026

Top Picks for Undss

#1

Electronic Travel Advisory by United Nations

eTA

Editor's Choice

4.1(25 ratings)

Free

Electronic Travel Advisory screenshot 1

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Electronic Travel Advisory screenshot 5

Electronic Travel Advisory screenshot 6

This app offers global travel advisories, exchange rates, and UN premises locations. It provides security information, warnings, and alerts, enabling two-way communication with a Security Center for business-related travel.

#2

UNDSS PSA Tool by United Nations (OICT)

Strong Contender

0.0(0 ratings)

Free

UNDSS PSA Tool screenshot 1

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#3

UN System Booking Hub by United Nations

The UN System booking service

Worth Considering

4.7😊(475 ratings)

Free

UN System Booking Hub screenshot 1

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This app provides a 24/7 inter-agency booking service for humanitarian workers, facilitating the delivery of last-mile aid. It allows users to book a wide range of services, including vehicles, flights, accommodation, and medical facilities, across numerous countries.

What We Love

🚀 Fast and easy to use
👍 User-friendly interface
💡 Simple booking system
⏱️ Quick service completion
🎯 Helpful and accessible
✨ Innovative platform

Room to Improve

🔄 Frequent session timeouts requiring re-login
📝 Repetitive form filling after logout
🔧 Unnecessary updates and reinstalls
⚠️ Service operator issues and system abuse
📱 Occasional usability concerns

More Undss apps to explore

by United Nations

Access UN administrative forms, research tools, and documentation in one place. This app simplifies navigation of the United Nations system for delegates.

Access administrative formsExplore UN research toolsBrowse UN documentation

Apply for an electronic travel authorisation (ETA) to enter the UK. The process involves scanning your passport and face, answering questions, and paying a fee. Decisions are typically received by email within a day.

Apply for UK ETAScan passport chipFacial scan for identity

free with in-app purchases

UNFCU Digital Banking

UNFCU Digital Banking

UNFCU Digital Banking

by United Nations Federal Credit Union

Securely manage your accounts on the go. View balances, make payments, transfer funds, and deposit checks remotely. You can also apply for loans and manage your cards.

View account balances and transactionsMake loan and credit card paymentsTransfer funds between accounts

Live bus and train tracker

Get real-time arrival information for Washington D.C. Metro buses and trains, mimicking the look of official LED boards. Visualize routes and stops on a detailed map, and save your favorites for quick access.

Live train and bus arrivalsRealistic LED board displayDetailed route and stop maps

🗺️ Navigation

Apply for an Australian ETA

This government-issued app allows eligible travelers to apply for an Electronic Travel Authority (ETA) for short-term visits to Australia for tourism or business. It guides users through the application process, including passport scanning and photo capture. It is recommended to apply well in advance of travel plans.

Apply for Australian ETAPassport scanningPhoto capture

free with in-app purchases

ETA UK Assistant

ETA UK Assistant

ETA UK Assistant

Apply to travel to UK

This app simplifies UK travel preparations by guiding users through eligibility checks and the application process for the UK Electronic Travel Authorisation (ETA). It offers multi-language support, real-time application updates, and direct access to comprehensive support for a smoother journey.

Eligibility checks for UK ETAMulti-language application supportReal-time application status updates

by ETA Transit Systems Inc

Get real-time transit arrival predictions, plan your routes, and receive important system alerts. This app offers accurate and easy-to-use information for riders of select transit agencies, helping you stay informed about delays and outages.

Up-to-the-minute arrival predictionsRoute planning and comparisonSystem alerts for outages and delays

by Electrical Training Alliance

Places, navigation & traffic

Navigate the world with real-time traffic, turn-by-turn directions, and offline maps. Discover millions of businesses, plan trips with immersive views, and explore like a local with user reviews and photos.

Live traffic and GPS navigationOffline mapsStreet View and Immersive View

🗺️ Navigation

free with in-app purchases

hkbus.app - HKBUS ETA

hkbus.app - HKBUS ETA

hkbus.app - HKBUS ETA

No Ads - KMB, Minibus, MTR,...

This open-source navigation app provides real-time arrival information for various public transport options in Hong Kong, including buses and the MTR. It offers an ad-free experience for seamless journey planning.

Real-time arrival informationSupports KMB, CTB, NWFB, MTRIncludes Minibus routes

🗺️ Navigation

by IT Department, General Department of Taxation of Viet Nam

This app assists taxpayers in generating personal income tax returns and checking tax settlement information. It provides suggestions based on tax authority data and supports notifications for tax obligations.

Generate personal income tax returnsLookup tax settlement informationReceive tax obligation notifications

Security Council Report

Security Council Report

Security Council Report

by Michael Murphy

Stay informed about the UN Security Council's activities with this app. It provides access to monthly forecasts, in-depth reports, and real-time insights into council developments. The app is designed for stakeholders and the general public interested in objective analysis.

Monthly forecastsCross-cutting reportsReal-time electronic feed

Apply for your Korea Electronic Travel Authorization (K-ETA) easily and conveniently. This official government app is required for visa-free foreign visitors entering Korea, allowing you to submit necessary travel information before boarding.

Apply for K-ETASubmit travel informationOfficial government app

UK ETA Travel Authorisation

Talon ETA Mobile 2.0

Talon ETA Mobile 2.0

Talon ETA Mobile 2.0

by Talon Systems, LLC

This app provides mobile access to the Education & Training Administration system. It allows users to manage and interact with educational and training administration features on the go.

Mobile access to ETA systemEducation administrationTraining administration

📊 Productivity

Stay informed with daily multimedia news from the United Nations. Access text, photos, infographics, audio, and video updates in nine languages. Follow global events, human rights, and UN priorities.

Multimedia news updatesMultilingual support (9 languages)Global peace and security news

by International Organization for Migration (IOM)

This app provides field staff with real-time communication and assistance, especially during emergencies. It offers geo-localized updates, a panic button for instant alerts, and tools for reporting threats and managing staff counts.

Contextualized, geo-localized threat updatesOne-touch panic button for instant alertsReport security and safety threats

FAQ about Undss

What are the best undss apps for iPhone?

Electronic Travel Advisory tops our undss apps ranking as of November 2026, with a 4.1-star average from 25 App Store ratings, and it's free to download.

Are there free undss apps for iPhone?

Yes — 20 of the top undss apps we rank are free to download, including Electronic Travel Advisory and UNDSS PSA Tool.

Does Electronic Travel Advisory have ads or in-app purchases?

Electronic Travel Advisory has no ads and has no in-app purchases, according to its App Store listing as of November 2026.

How many undss apps are on the App Store?

We track 249+ undss apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches

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