Private Journal vs Caffeine Tracker +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Private Journal
This app helps you track your thoughts, goals, and habits to understand what leads to your success. Create secure journal entries and customizable trackers to encourage positive behaviors and achieve personal growth. All your data is stored privately on your device.
- Secure journal entries
- Customizable habit trackers
- Goal setting
- Freeform journaling
- Data stored on device
- Reflection and analysis
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Free 14-day trial, then a one-time $9.99 for lifetime access. No subscription, ever. A private journal and habit tracker that keeps your words on your iPhone. Write freely in full screen, track weight, steps and water with 60-day trends, and attach photos to the moments that matter. On-device AI turns each day into a short, clear summary: important items, meeting decisions and next steps, and gentle nutrition estimates. Your journal is never sent to a server. Already a user? You keep lifetime access at no cost. Thank you! AI nutrition estimates are for general information only and are not medical advice. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://correlateencourage.com/privacy-policy Additional Terms of Use: https://correlateencourage.com/ce-app-terms-of-use
Caffeine Tracker +
Take control of your caffeine intake with powerful tracking, personalized reduction plans, and real-time insights. Understand your habits, sleep better, and reduce anxiety with data-driven tools and visual progress tracking.
- Caffeine tracking for various beverages
- Real-time metabolism and metabolism graphs
- Personalized reduction plans
- Sleep quality insights
- Smart reminders and 'last call' notifications
- Calendar view of caffeine habits
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Decaf helps you take control of your caffeine intake with powerful tracking, personalized reduction plans, and real-time insights. Whether you want to sleep better, cut back on coffee, or simply understand your habits, Decaf gives you the tools to succeed. Core Features - Caffeine Tracking: Log coffee, tea, energy drinks, sodas, or custom beverages with ease - Real-time Metabolism Tracking: Visual graphs show how caffeine builds and tapers in your body throughout the day - Sleep Safe Sips: This is our unique algorithmic way of sharing what drinks are still 'available' to you within your daily caffeine budget - Favorite Brands: Track your favorite drinks, whether it be from Starbucks, Dunkin, etc or something custom you've created yourself - Calendar View: Color-coded monthly overview of your caffeine habits with green, yellow, and red days - Sleep Quality Insights: Correlation charts reveal how your caffeine intake affects your sleep patterns - Smart Reminders: Gentle nudges to log drinks and notifications for your optimal “last call” time Why Decaf Works - Better Sleep: Protect your nights by understanding how caffeine impacts rest and recovery - Reduced Anxiety: Cut back gradually to minimize withdrawal, jitters, and energy crashes - Data-Driven Insights: Connect daily intake with long-term patterns to make smarter choices - Visual Progress: See your improvement clearly with charts and calendar tracking - Personalized Approach: Decaf adapts to your lifestyle, sleep schedule, and reduction goals What Sets Decaf Apart Most caffeine apps stop at logging drinks. Decaf goes further with science-based tapering plans and real-time metabolism tracking, helping you reduce gradually while staying energized and avoiding uncomfortable withdrawal. Take control of your caffeine habits today and start feeling the benefits of better sleep, steadier energy, and improved focus with Decaf. Our privacy policy can be found here: https://www.brightwoodapps.com/legal/decaf/decaf-terms.html This application is licensed under the Apple Standard End User License Agreement (EULA).
Screenshots
Verdict
The clearest difference is monetization model: Caffeine Tracker + at freemium against Private Journal's subscription. Private Journal's advantage is update cadence (fortnightly vs every 3 months). On price, rating, ratings volume and ads 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
Both are free to download. Private Journal sells 3 in-app purchases, starting at $1.99 per month and Caffeine Tracker + sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Private Journal against 5.0 for Caffeine Tracker +. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Private Journal ships an update fortnightly, Caffeine Tracker + every 3 months. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.
| Parameter | Private Journal | Caffeine Tracker + |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Freemium — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 30 MB | 10 MB |
| Age rating | 12+ | 4+ |
| Developer | correlateencourage LLC | Brightwood Apps LLC |
Customer experience
Private Journal
Caffeine Tracker +
In-app purchases
Private Journal
- Monthly subscription7 Days trial$1.991 Month
- Quarterly subscription7 Days trial$3.993 Months
- Annual subscription7 Days trial$7.991 Year
Caffeine Tracker +
- Pro Access | 1 Week3 Days trial$4.997 Days
- Monthly Plan3 Days trial$9.991 Month
Questions
Is Private Journal free?
Is Caffeine Tracker + free?
Which has better reviews, Private Journal or Caffeine Tracker +?
Do Private Journal or Caffeine Tracker + have ads?
Which is updated more often, Private Journal or Caffeine Tracker +?
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