Best Seventeen Days Apps

62+ iOS apps curated and reviewed

4.5 avg rating

19 free apps

Updated August 2026

If you already know Seventeen Days, this is the deeper bench. 62+ seventeen days apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Seventeen Days Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Seventeen Days	Free	5.0★ (2)	No	No	Aug 2026
2	Yosemite National Park Tour	Free	4.9★ (18)	No	Yes	Aug 2026
3	Sequoia National Park GPS Tour	Free	4.5★ (40)	No	Yes	Aug 2026
4	Hollywood & Star Homes Tour	Free	4.4★ (19)	No	Yes	Sep 2026
5	WhatsApp Messenger	Free	4.7★ (19M)	Yes	Yes	Sep 2026
6	Joshua Tree Audio Tour Guide	Free	4.6★ (106)	No	Yes	Sep 2026
7	17 Mile Drive Audio Tour Guide	Free	4.5★ (313)	No	Yes	Aug 2026
8	17 Day Diet Complete Recipes	Free	4.6★ (575)	No	Yes	Aug 2026

Top Picks for Seventeen Days

#1

Seventeen Days by Carnegie Mellon University

sexual decision making

Editor's Choice

📚 Education

5.0(2 ratings)

Free

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This app uses interactive videos to educate young women on contraception and STI prevention. It presents realistic scenarios, highlights decision points, and encourages viewers to practice risk-reduction strategies through cognitive rehearsal.

#2

Yosemite National Park Tour by 17 Mile Drive Day Trips, LLC

Offline GPS California Guide

Strong Contender

✈️ Travel

4.9(18 ratings)

FreeIn-App Purchases

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Explore Yosemite National Park with an app-guided driving route featuring over 70 audio stories. Discover landmarks like Glacier Point and El Capitan at your own pace, with offline functionality for seamless navigation.

#3

Sequoia National Park GPS Tour by 17 Mile Drive Day Trips, LLC

Self-Guided Audio & Map Guide

Worth Considering

✈️ Travel

4.5(40 ratings)

FreeIn-App Purchases

Sequoia National Park GPS Tour screenshot 1

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Explore Sequoia and Kings Canyon National Parks with a self-guided audio and map tour. Discover giant sequoias, stunning vistas, and local history at your own pace. The app works offline and offers automatic audio playback as you travel.

More Seventeen Days apps to explore

Hollywood & Star Homes Tour

Hollywood & Star Homes Tour

Hollywood & Star Homes Tour

Find Celebrity GPS Audio Guide

Explore Hollywood and Beverly Hills with a GPS-enabled driving tour of celebrity homes. Discover lavish estates, learn juicy secrets, and enjoy offline access to fascinating stories narrated by local guides. Includes a free demo to preview the experience.

GPS-enabled offline driving tourCelebrity home locationsFascinating celebrity stories

free with in-app purchases

WhatsApp Messenger

WhatsApp Messenger

WhatsApp Messenger

Simple. Reliable. Private.

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

End-to-end encrypted messagingHigh-quality voice and video callsGroup chats and calls

🌐 Social Networking

free with in-app purchases

Joshua Tree Audio Tour Guide

Joshua Tree Audio Tour Guide

Joshua Tree Audio Tour Guide

GPS Self Guided Offline Travel

Explore Joshua Tree National Park with a self-guided audio tour. Discover hidden gems, learn about local history and wildlife, and enjoy flexible navigation. Includes a bonus tour of Palm Springs. Works offline.

GPS-triggered automatic audio storiesOffline functionalityFlexible self-guided routes

free with in-app purchases

17 Mile Drive Audio Tour Guide

17 Mile Drive Audio Tour Guide

17 Mile Drive Audio Tour Guide

Self-Driving Narrated GPS Tour

Explore the scenic 17 Mile Drive with an offline, narrated GPS audio tour. Discover historical facts, natural landmarks, and local stories as you drive, with content playing automatically based on your location. Enjoy the freedom to stop and explore at your own pace.

Offline GPS audio narrationAutomatic playback based on locationDetailed historical and local stories

free with in-app purchases

17 Day Diet Complete Recipes

17 Day Diet Complete Recipes

17 Day Diet Complete Recipes

Low Sugar & Carb Meal Plan

This app provides hundreds of recipes and a food compatibility database for the 17 Day Diet. It guides users through all four diet cycles with personalized meal plans, workout suggestions, and direct support to help achieve weight loss goals.

Hundreds of diet-compatible recipesFood compatibility databaseGuidance through all four diet cycles

💪 Health & Fitness

free with in-app purchases

Treasure 2day Sustain 2morrow

A marketplace for conscious consumption, this app connects families to buy and sell pre-loved children's items. It promotes sustainability, community engagement, and economical choices through a user-friendly platform with secure messaging and detailed listings.

Robust search by keywords, brands, categoriesNew listings highlightsBrowse popular children's brands

🛍️ Shopping

C-17 Duty Day Calc

C-17 Duty Day Calc

C-17 Duty Day Calc

by John Robbins

Calculate duty day restrictions for C-17 crews in Zulu and local time zones. Quickly determine restrictions based on alert, show, or takeoff times. Includes a time calculator and the ability to add custom timelines.

Duty day restriction calculationZulu and local time zone supportInstant restriction calculation

Big Sur Highway GPS Audio Tour

Big Sur Highway GPS Audio Tour

Big Sur Highway GPS Audio Tour

Offline California Tours Guide

Experience a narrated driving tour of Big Sur, California's most scenic coastal highway. This app acts as a personal guide, providing turn-by-turn audio narration and historical stories about attractions. Explore at your own pace with offline functionality and discover hidden gems along the route.

GPS-triggered audio narrationOffline tour functionalityTurn-by-turn navigation

free with in-app purchases

17 Day Diet Meal Plan

17 Day Diet Meal Plan

17 Day Diet Meal Plan

Easy Weight Loss Recipes

This app simplifies adhering to the 17 Day Diet by providing pre-planned, balanced meals and automatically generated shopping lists. It offers personalized weekly meal plans based on your current diet cycle, making weight loss easier and more convenient.

Personalized weekly meal plansPre-calculated servingsBalanced meal recipes

🍔 Food & Drink

free with in-app purchases

Pacific Coast Highway 1 Guide

Pacific Coast Highway 1 Guide

Pacific Coast Highway 1 Guide

GPS Guided California Tours

Explore California's scenic Pacific Coast Highway with a narrated driving tour. Audio stories play automatically based on your location, guiding you through breathtaking sights and charming towns. Enjoy the freedom to travel at your own pace, with offline access to all content.

GPS guided audio toursAutomatic story playbackOffline functionality

free with in-app purchases

Discover Lake Tahoe Audio Tour

Discover Lake Tahoe Audio Tour

Discover Lake Tahoe Audio Tour

Emerald Bay State Park Guide

Explore Lake Tahoe at your own pace with a self-guided audio tour. Discover hidden gems, historical mansions, and stunning vistas with automatic audio playback based on your location. Downloadable for offline use.

Self-guided driving tourAutomatic location-based audioOffline functionality

Mount Rushmore Memorial Guide

Mount Rushmore Memorial Guide

Mount Rushmore Memorial Guide

South Dakota GPS Audio Tours

Explore Mount Rushmore National Memorial with a self-guided, narrated, and offline audio tour. Discover its history, creation, and surrounding controversies from various viewpoints. Make the most of your visit with flexible exploration and automatic audio playback.

Self-guided narrated audio tourOffline functionalityAutomatic location-based audio playback

free with in-app purchases

California GPS Audio Tours

California GPS Audio Tours

California GPS Audio Tours

Self Guided Offline Travel Map

Explore California's iconic destinations with 15+ self-guided audio tours. Discover history, recommendations, and fun facts as you travel, with automatic audio playback based on your location. Enjoy the freedom to explore at your own pace, offline.

15+ self-guided audio toursAutomatic location-based audio playbackOffline functionality

free with in-app purchases

Daily Random Facts Widget 17

Daily Random Facts Widget 17

Daily Random Facts Widget 17

Awesome Inspirational Fact wid

Expand your knowledge daily with a vast collection of curated random facts. This app offers daily facts, a widget, and Apple Watch integration, making learning fun and accessible. Surprise others with your newfound wisdom.

Thousands of curated random factsFacts organized by categoriesDaily facts widget

Text, audio and video calls

Connect with friends and family through text, audio, and video calls. Share photos, videos, and large files, and express yourself with custom themes and animated content. Features an AI assistant for help and support.

Text, audio, and video callsHigh-definition photo sharingShared photo albums

🌐 Social Networking

free with in-app purchases

Get work, near you, today

Find and manage your work easily. View your schedule, confirm shifts, track your hours, and clock in/out directly from your phone. Receive feedback and grow your career with clear performance data.

View work scheduleConfirm shifts and attendanceTrack worked hours

San Francisco Driving GPS Tour

San Francisco Driving GPS Tour

San Francisco Driving GPS Tour

Golden Gate Bridge Audio Guide

Explore San Francisco and the Golden Gate Bridge with a self-guided audio tour. Discover the city's history, landmarks, and hidden gems at your own pace, with automatic audio playback triggered by your location. The tour works offline, offering a flexible and immersive travel experience.

Self-guided driving tourAutomatic audio playbackOffline functionality

FAQ about Seventeen Days

What are the best seventeen days apps for iPhone?

Seventeen Days tops our seventeen days apps ranking as of August 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.

Are there free seventeen days apps for iPhone?

Yes — 19 of the top seventeen days apps we rank are free to download, including Seventeen Days and Yosemite National Park Tour.

Does Seventeen Days have ads or in-app purchases?

Seventeen Days has no ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many seventeen days apps are on the App Store?

We track 62+ seventeen days apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What is Seventeen Days?

Seventeen Days is an educational app that uses interactive videos to teach young women about contraception and sexually transmitted infections (STIs). It helps users practice making informed decisions in romantic relationship scenarios.

How does Seventeen Days teach about sexual health?

The app presents realistic scenarios where users make choices, identifies risk-reduction strategies, and employs cognitive rehearsal to help users mentally practice responses to hypothetical situations.