193+ iOS apps & games curated and reviewed
Out of 193+ 100 day apps and games on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (388) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.9★ (31) | Yes | Yes | May 2026 |
| 3 |  | Free | — | No | Yes | Jul 2026 |
| 4 |  | Free | 3.8★ (4) | No | Yes | Jul 2026 |
| 5 |  | Free | 5.0★ (1) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (8.5K) | Yes | No | Jul 2026 |
| 7 |  | Free | 3.9★ (17) | No | No | May 2026 |
| 8 |  | Free | 4.2★ (6) | No | No | May 2026 |
Survive a zombie apocalypse by tapping to shoot and strategically upgrading your character, teammates, and defenses. Collect gold, unlock new items and stages, and face increasingly powerful zombies and a massive final boss.
Survive a zombie apocalypse by building and fortifying a camp. Recruit survivors, send them on expeditions for resources, and upgrade your defenses to fend off increasingly powerful zombie hordes. Strategic upgrades and manual play can provide significant advantages.
This app guides you in building lasting habits through consistent daily actions over 100 days. It features a simple interface for tracking progress and smart reminders to keep you on track. Reach your goals with a celebratory screen upon completion.
Build better habits and achieve personal goals with daily check-ins, smart reminders, and visual progress tracking. This app provides the structure and motivation needed to stay consistent on your journey to transformation.
Track the number of days you've been together with your partner. This app helps you remember important anniversaries and visualize your relationship progress with customizable widgets and themes.
This app provides a system, tools, and growth hacking strategies to transform your life and career in 100 days. It offers a master class in exponential growth, focusing on performance sprints and superior execution strategies to bridge the gap between intentions and results.
Calculate the 100th day from any given date or celebrate anniversaries. Export calculated dates as events to your iPhone's calendar.
This self-guided challenge encourages users to log 100 miles in 100 days. Participants can set personal mileage goals beyond the standard requirement. It's a great way to stay active and motivated.
This app helps couples track the duration of their relationship, from the first date to anniversaries and special milestones. It offers a home screen widget for at-a-glance viewing and allows users to save memories with photos and notes. The app is designed for privacy with passcode protection and an intuitive interface.
This app helps you understand your body's stress response by tracking your heart rate and HRV using your phone's camera. Log your mood and receive personalized wellness advice to build healthier habits.
This app helps you build consistent workout habits through customizable daily challenges. Choose exercises, set duration and rep goals, and track your progress to achieve fitness goals like weight loss or muscle gain. It's designed for home workouts with no equipment needed.
Survive a post-nuclear USSR by crafting, building, and fighting off hunger, disease, and enemies. Explore a vast, realistic world, improve your skills, and team up with other players online to overcome the apocalypse.
Access free online content to enhance your Spanish learning experience directly from your mobile device. This app provides supplementary materials to support your language acquisition journey.
Test your survival skills on a deserted island. Navigate a vast jungle and strive to be the first to last 100 days. Experience the ultimate challenge of a stranded survivor.
Build lasting habits with a visual 10x10 grid that tracks your progress. Capture your journey with daily photos and gain insights into your patterns to stay motivated. Celebrate milestones and achieve your goals.
Defend your base against a relentless zombie horde in this tactical survival game. Gather survivors, collect supplies, and use a variety of weapons and strategic moves to obliterate the undead. Explore a vast world, upgrade your units, and build your legacy.