# Ninety Days: Habit Tracker — Make Habits Measurable > Track habits and challenges in 30, 60, or 90-day increments with progress insights. (iPhone/iPad app by Andreas Stein.) - Source: https://appshunter.io/ios/app/ninety-days-habit-tracker/id6738892062 (this page in markdown: same URL + `.md`) - Developer: [Andreas Stein](https://appshunter.io/developer/1782792219) - Category: Productivity, Lifestyle - Price: Free with in-app purchases - Rating: 4.00/5 from 1 App Store ratings - Age rating: 12+ - Requires: iOS 26.0 · 30 MB - Languages: American English, French (France), German (Germany), Indonesian, Japanese, Korean, Brazilian Portuguese, European Spanish, Chinese (Traditional, Taiwan) - Released: 2025-01-07 - Data updated: 2026-09-08 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/ninety-days-habit-tracker/id6738892062/reviews.md ## What is Ninety Days? With Ninety Days, you can build new positive habits and leave bad routines behind. Track your habits for 30, 60, and 90 days – and beyond. Milestones support you along the way. Detailed progress analyses such as the Baseline Model help you stay consistent. ------------------- What Ninety Days offers • Flexible habit tracking Track your habits quickly and clearly – tailored to your personal routine. • Track quantities and baselines Set a personal baseline (minimum quantity) for quantity-based habits and track the amounts you actually achieve each day. • Track progress over time Follow your quantities, streaks, and routines and see how your habits develop over time. • 30-, 60- & 90-Day Challenges Take on integrated challenges and guide your habits through multiple challenge levels. • Statistics & Insights Keep an eye on your current progress and gain detailed insights into your habits and streaks. • Baseline Model Compare the quantities you actually achieve over time with your personal baseline and identify long-term developments. • Badges & Achievements Earn awards for consistent routines and successfully completed challenges. ------------------- Habits are not built through repetition alone. What matters is making them realistic and measurable, tracking them consistently, and making their development visible over time. Ninety Days combines habit tracking with quantity tracking, personal baselines, challenges, and long-term analyses. This allows you not only to record whether you performed a habit, but also to understand how consistently you follow it and how it develops over time. ------------------- Free Version: • Log up to 3 habits per day • Track quantity-based habits • Start 1 challenge at a time (Level 1 · 30 days) • Access the statistics dashboard • Daily overview of your logging behavior • Earn achievements • Full access to all settings ------------------- Premium: • Create and log unlimited habits • Baseline Model for quantity-based habits • Start multiple challenges at the same time • All statistics and insights • Advanced streak analysis • Use Ninety Days without Freemium limits ------------------- You can switch between Premium and the free version at any time. Subscription options for Premium: • Annual subscription • Monthly subscription The subscription renews automatically unless canceled in the Apple App Store at least 24 hours before the end of the current subscription period. This applies to both monthly and annual subscriptions. ------------------- Make your progress visible and build habits that last – with Ninety Days. ------------------- Privacy Policy: https://ninety-days.app/privacy Terms of Use: https://ninety-days.app/terms ## Key features - 30, 60, & 90-day habit challenges - Detailed progress statistics - Streak tracking and analysis - Daily and overall habit overview - Earn badges and rewards - Flexible custom tracking ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Plan – cancel anytime | $4.99 | per month | | Premium – 1 Year Ninety Days | $29.99 | per year | ## Frequently asked questions about Ninety Days ### What is Ninety Days? Ninety Days is a habit tracking application designed to help users build positive habits and break negative routines through structured challenges and detailed progress insights. It offers both free and premium versions to cater to different user needs. ### How does the free version of Ninety Days work? The free version allows you to log up to 3 habits per day, start one 30-day challenge at a time, access a statistics dashboard, and view your daily logging activity. You can also earn achievements and access all settings. ### What are the benefits of the Ninety Days Premium version? The Premium version offers deeper insights and advanced analysis, allowing you to create and track unlimited habits, start multiple challenges simultaneously, access all statistics, and utilize advanced streak analysis for comprehensive progress monitoring. ### What are the subscription options for Ninety Days Premium? Ninety Days offers both a monthly subscription at $4.99 per month and a yearly subscription for $29.99. The yearly plan includes a 7-day free trial. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. ### Does Ninety Days have ads? Yes, Ninety Days contains advertisements. The app is free to download and use with ads, with an option to upgrade to Premium for an ad-free experience and additional features. ### What devices is Ninety Days available on? Ninety Days is available on iPhone and iPad devices, making it accessible for users within the Apple ecosystem. ### How often is Ninety Days updated? The app was last updated on May 15, 2026, indicating a commitment to ongoing development and improvements. The latest version is 3.3. ### What is the age rating for Ninety Days? Ninety Days has an age rating of 12+, suggesting it is suitable for users aged 12 and above, with content generally appropriate for this age group. ## Version history (last 5 releases) ### 3.6.2 — 2026-09-02 – Improvements & Bug Fixes – • The overview of features available in the free and premium versions has been updated. • Various technical improvements and optimizations have been made. ### 3.6.1 — 2026-08-31 – Improvements & Bug Fixes – • Large quantity values are now correctly displayed in a compact format in the calendar view across all supported languages, for example 1,000 as 1K. • The contrast of the streak statistics in the habit detail view has been improved, particularly for the current streak. • The social media section in Settings has been revised and the layout of the remaining platforms has been optimized. ### 3.6 — 2026-08-21 With this update, Ninety Days introduces quantity tracking for habits. In addition to tracking whether a habit was completed, you can now also track specific quantities. A clear chart shows your logged quantities and how they develop over time – including over longer periods. – Quantity Tracking in Ninety Days – • Track quantities – Quantity-based habits can now have a personal baseline (minimum amount) and a suitable unit, allowing the actual amount achieved to be logged for each day. • Reach your baseline – The baseline can be applied with a single tap, or the actual amount achieved can be entered individually. • Automatic quantity tracking – When completing a quantity-based habit as usual, the baseline amount is automatically logged. This means there is no need to manually enter an amount every time. • Track progress – The new quantity view shows logged amounts directly over the course of a habit. • Baseline Model – With Premium, actual quantities can be compared with the personal baseline over time, making it easier to see how they develop over longer periods. • Quantity-based challenges – Challenges now support quantity-based habits as well. – Further Improvements – • The calendar view within the habit detail view has been visually redesigned. • The minimum requirement has been raised from iOS 18.0 to iOS 26.0. Thank you for using Ninety Days. ### 3.5.3 — 2026-08-12 – Challenges – • Inconsistencies involving previously completed challenges are now automatically detected and resolved, preventing them from incorrectly appearing under “Action Required.” • The limited Summer Retreat 2026 badge is now displayed correctly again in the Challenges and Badges sections. – Summer Retreat 2026 – • The completion logic for Summer Retreat 2026 has been fully implemented. • After the event ends, participants now receive a dedicated summary – both when successfully completing the retreat and when not completing it in full. • The event completion screen has been specifically designed for Summer Retreat 2026 and provides a clear overview of personal progress. ### 3.5.2 — 2026-07-30 – Adding Habits – • The Summer Retreat 2026 event stamp is no longer displayed in the Add Habit view and is now exclusively available for the Summer Retreat 2026. – Settings – • New social media icons have been added to the Settings section, providing access to the developer's official social media channels. ## Apps similar to Ninety Days | App | Rating | Price | Category | | --- | --- | --- | --- | | [Aura Focus](https://appshunter.io/ios/app/aura-focus/id6480588198) | 5.0 (1) | Free | Productivity | | [Laps: Pomodoro & Focus Timer](https://appshunter.io/ios/app/laps-pomodoro-and-focus-timer/id6478084615) | — | Free | Productivity | | [AI Note Taker - Notu.ai](https://appshunter.io/ios/app/ai-note-taker-notuai/id6759971681) | — | Free | Productivity | | [Sanitär Bez](https://appshunter.io/ios/app/sanitar-bez/id1259891573) | — | Free | Productivity | | [OneTapNote](https://appshunter.io/ios/app/onetapnote/id1636194574) | — | Free | Productivity | | [CarData24](https://appshunter.io/ios/app/cardata24/id6476686840) | — | Free | Productivity | ## More apps by Andreas Stein - [writhentic: Self-Reflection](https://appshunter.io/ios/app/writhentic-self-reflection/id6760704679) All apps by Andreas Stein: https://appshunter.io/developer/1782792219 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-08.*