CaffLog vs Personal Training Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CaffLog
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CaffLog is an app for managing your caffeine intake smartly. Easily log your daily caffeine consumption and visualize your body's caffeine levels in real time. CaffLog supports your caffeine management goals, whatever they may be. ◆ Who This App Is For 【Boost Your Performance】 For those who want to use caffeine effectively to enhance productivity at work or while studying. 【Cut Back or Limit Caffeine】 For those looking to control their intake for health reasons, pregnancy, or breastfeeding. 【Understand Sleep Impact】 For those who want to track how caffeine affects their sleep and find the right timing. 【Discover Your Patterns】 For those who want to visualize their intake trends and understand their habits objectively. ◆ Key Features 【Caffeine Intake Log】 Easily record caffeinated drinks like coffee, tea, and energy drinks. 【Real-Time Caffeine Levels】 Check your estimated current caffeine levels in your body at any time. 【Heatmap Review】 Visualize your daily intake patterns with a heatmap. Spot your trends at a glance. 【Customize Your Home Screen】 Decorate your home with cute items like coffee beans, donuts, and cookies. Choose from wood, stone, or solid backgrounds and pick your accent color to make the space truly your own. 【Cute & Easy-to-Use Design】 A warm, friendly design that makes daily logging enjoyable. ◆ CaffLog Premium (Optional) CaffLog is free to use. CaffLog Premium unlocks additional convenient features. 【CaffLog Premium】 1. Customize caffeine half-life 2. Customize decorations, backgrounds, and themes 3. Ad-free experience 【Pricing】 Monthly Plan: $2.99 Auto-renews monthly from the date of purchase. 【Auto-Renewal Details】 Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. 【Payment】 Payment will be charged to your Apple ID.
Personal Training Diary
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A simple app for planning and tracking workouts. Create exercises and plan workouts using the exercises you've created. Track your workouts in the app. Statistics help you optimize your training progress. The free version allows to test the app but has some limitations. The Pro version, available via in-app purchase (one-time charge, no subscription), provides full functionality. The app is available in English and German.
Screenshots
Verdict
The clearest difference is ads: Personal Training Diary at none against CaffLog's shown. CaffLog's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases 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
Both are free to download. CaffLog sells 1 in-app purchase, starting at $2.99 per month and Personal Training Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
CaffLog ships an update weekly, Personal Training Diary every 10 days. Both last shipped on October 28, 2026.
| Parameter | CaffLog | Personal Training Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 70 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruya Oyama | Dieter Schmidt |
In-app purchases
CaffLog
- CaffLog Premium7 Days trial$2.991 Month
Personal Training Diary
- Personal Training Diary Pro$4.99
Questions
Is CaffLog free?
Is Personal Training Diary free?
Do CaffLog or Personal Training Diary have ads?
Which is updated more often, CaffLog or Personal Training Diary?
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