66 Days vs Workout Planner Pro+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
66 Days
This app helps you build lasting habits by encouraging daily repetition over a 66-day period. Set project-specific goals and track your progress with features like memos, photos, and notifications.
- 66-day habit building system
- Project-based goal setting
- Daily progress tracking
- Memo and photo recording
- Dark mode support
- Push notifications
Read full descriptionHide full description
According to a landmark study by University College London (UCL), it takes an average of 66 days for a new behavior to become an automatic, lifelong habit. You don't need extreme willpower or superhuman effort. By repeating small, consistent actions every day, your brain naturally transforms them into effortless routines. 66 Days is designed to help you organize your life goals into actionable projects, maintain daily streaks, and conquer the 66-day milestone to transform your lifestyle. [ 66 Days Key Features ] 1. Project-Based Habit Building • Set meaningful goals like 'Lose 10 kg' or 'Read 20 Books' and attach daily micro-actions (e.g., 30 push-ups, read 15 mins). • Completing just one habit action per day keeps your streak alive! 2. Break Bad Habits & Quit Tracker • Track your clean streaks for quitting smoking, junk food, procrastination, or screen time. • Log reflections when overcoming cravings and watch your milestone gauges grow. 3. Insightful Analytics & Milestones • Visualize your consistency with heatmap calendars, weekly trends, and overall statistics. • Reach 66 days to enshrine your achievement in the permanent 'Success Collection' and unlock badges. 4. Personalized Cards & iOS Widgets • Customize each habit card with custom photos, elegant color palettes, and blur themes. • Stay on top of your daily routines directly from your Home Screen with beautiful widgets. 5. Privacy & Biometric Lock • Keep your personal habit journal safe with Face ID and Touch ID biometric locking. 6. Lifetime Access & Premium • Unlock all premium features permanently with a single one-time purchase—no subscription stress. Start today. In 66 days, you will meet a completely new version of yourself! Terms of Use (EULA): https://66days.epipherse.com/terms/ Privacy Policy: https://66days.epipherse.com/privacy/
Workout Planner Pro+
Create personalized fitness plans, track your progress, and log detailed workout results. This customizable planner supports strength training, yoga, and general fitness, making exercise management simple for all levels. Save daily measurements, photos, and back up your data.
- Personalized workout plan creation
- Customizable exercise parameters
- Workout calendar and scheduling
- Activity and progress tracking
- Daily measurement and photo logging
- Data backup and restore
- Workout sharing
Read full descriptionHide full description
Do you like sport? Our workout planner is one of the best strength training, yoga, and fitness planner. You can create your personal workout plan, store your workout results and check history. Out planner is fully customizable and is a good choice for beginners and professionals. It is very easy to use. Training has never been easier with our workout calendar and workout history. Main features: - Create only needed exercises - Build training from different exercises - Customize attempts, repetitions, weights, quantity, time, etc - Schedule your training with a calendar - Use colors for different workouts - Track activity during training. You will not forget it is the second or third attempt - Save important daily details (weights, height, waist, chest, biceps size, etc) - Save your daily photos - Backup/restore data - Share your details Supported languages: English, Russian, Spanish, Hindi, Portuguese, Indonesian, German, Bengali, French, Italian, Vietnamese, Chinese Simplified (Ages 5+)
Screenshots
Verdict
The clearest difference is price: 66 Days at Free against Workout Planner Pro+'s $4.99. 66 Days also leads on update cadence (every 3 weeks vs every 2 months). Workout Planner Pro+'s advantage is in-app purchases (none vs 5) and iOS requirement (15.0 vs 18.0). On review sentiment, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
66 Days is free to download; Workout Planner Pro+ costs $4.99 up front. 66 Days sells 5 in-app purchases, starting at $1.99 per month. Workout Planner Pro+ asks for nothing beyond the download.
66 Days ships an update every 3 weeks, Workout Planner Pro+ every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | 66 Days | Workout Planner Pro+ |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.1 (9 ratings) — better | — |
| Positive reviews | 72.9% of reviews — better | 66.7% of reviews |
| Number of ratings | 9 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Epipherse | siarhei yatsuk |
Customer experience
66 Days
Workout Planner Pro+
In-app purchases
66 Days
- Premium 1 Month$1.991 Month
- Premium 3 Month$4.993 Months
- Premium 1 Year$9.991 Year
- Project Streak Recovery$2.99
- Premium Lifetime$22.99
Workout Planner Pro+
No in-app purchases
Questions
Is 66 Days free?
Is Workout Planner Pro+ free?
Do 66 Days or Workout Planner Pro+ have ads?
Which is updated more often, 66 Days or Workout Planner Pro+?
Other comparisons















