CaffLog vs BrewMeter
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.
BrewMeter
Track your daily caffeine intake by logging drinks and their volumes. Visualize your caffeine levels with an estimated curve and explore historical data. Gain insights into your consumption habits for personal awareness.
- Log custom drinks with label data
- Track volume consumed
- Estimated caffeine curve visualization
- Daily caffeine-free day recording
- Undo accidental logs
- CSV export (Pro)
- Apple Health integration (Pro)
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Log your drinks and understand caffeine estimates with clearly separated quantities and units. Add your usual drinks, review consumption and explore an estimate of remaining caffeine. Simulate a drink before logging it, then look back at trends. The paid option is a one-time purchase with no subscription. Free features are described in the app. Estimates depend on assumptions and vary by person. They are not a medical limit or a guarantee of sleep. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bnjdpn.github.io/BrewMeter/privacy.html
Screenshots
Verdict
The clearest difference is ads: BrewMeter at none against CaffLog's shown. CaffLog's advantage is iOS requirement (15.0 vs 17.0). 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 BrewMeter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.
| Parameter | CaffLog | BrewMeter |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Weekly | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 70 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Haruya Oyama | Benjamin Dupin |
In-app purchases
CaffLog
- CaffLog Premium7 Days trial$2.991 Month
BrewMeter
- BrewMeter Pro Lifetime$5.99









