In vs Caffeine Tracker
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
In
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In-memory is a free and simple messaging service designed to allow users to preserve and transmit automatically and only upon their demise, messages, emotions, documents and memories of their lives, even if death occurs suddenly, accidentally, without warning. We take a sensitive and caring approach: allowing users to share precious moments of life with those who are close to their hearts. In-memory also allows for automatic transfer of important information to other contacts and/or business professionals. In addition to the transmission of important messages and information, In-memory offers the options of automatic notification of death, end-of-life wishes and directives, transmission of messages/information on a specific date in the future. In-memory also allows users to become βconfidantsβ for other people, helping to create a network of support, caring, and sharing of emotions. In-memory: easily plan, prepare and automatically organize your βafterβ. In-memory: write it today to say it automatically when you are no longer here. Personal. Free. Secure with end-to-end encryption. Not despoilable. Website and video: my-in-memory.com Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Caffeine Tracker
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Meet your mysterious new companion β a 3D character that lives inside your caffeine tracker and reacts to your body's caffeine level in real time. Sleepy when you're clean, dancing when you're at peak, jittery when you've had too much. The numbers on a graph, finally with a face. MyDailyCaffeine is the smart way to track and manage your daily caffeine intake. Coffee, espresso, tea, matcha, energy drinks β log them all in seconds and see exactly how your body feels, minute by minute. β Meet Your Mystery Mascot (NEW) A 3D animated character appears on your Today tab. Their pose and mood are driven by your actual caffeine curve, so a single glance tells you more than any chart. Tap them for a surprise reaction. Drag to rotate. Pinch to zoom. You can toggle them off anytime from Settings. β Track Caffeine Intake Record every caffeinated drink with one tap. Coffee (95mg), espresso (63mg), green tea (28mg), matcha (70mg), energy drinks (80mg), cola, cocoa, chocolate β and create custom drinks with your own values. β Daily Caffeine Limit Set a personal daily cap (default 400mg, the WHO healthy-adult guideline). See at a glance how much you've consumed versus your target. β Remaining Caffeine in Your Body Know exactly how much caffeine is still active in your system using a 5-hour half-life model. Decide whether that afternoon cup is a good idea β before you pour it. β Calendar Heatmap Spot weekly patterns and habit shifts with a color-coded monthly calendar. β Statistics and Trends 7, 30, and 90-day analytics. Daily averages, most-consumed drinks, long-term trends. β Streaks and Badges A gentle streak system and achievement badges keep the daily logging habit going. β Widget Support Home Screen widgets for an instant caffeine summary, no app open required. β Apple Watch App Log your coffee right from your wrist and check your current caffeine level at a glance. β Personalization Eight theme colors inspired by coffee (espresso, mocha, caramel, matcha, chai, berry, midnight, slate). Dark mode included. β Privacy First All data stays on your device. No account. No cloud. No tracking. β 33 Languages English, Japanese, Korean, Simplified & Traditional Chinese, Spanish, French, German, Portuguese, Arabic, and many more. Feedback & Support: https://keik.co.jp/wp/app-inquiry-form/
Screenshots
Verdict
The clearest difference is ads: In at none against Caffeine Tracker's shown. In also leads on iOS requirement (15.6 vs 26.1). Caffeine Tracker's advantage is update cadence (every 9 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. In sells 10 in-app purchases, starting at $0.99 per month and Caffeine Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
In ships an update every 2 months, Caffeine Tracker every 9 days. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.
| Parameter | In | Caffeine Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 9 days β better |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.6 β better | 26.1 |
| Further details β not scored | ||
| Size | 61 MB | 25 MB |
| Age rating | 17+ | 4+ |
| Developer | IN-MEMORY | KeiK LLC |
In-app purchases
In
- Abonnement Mensuel Standard$0.991 Month
- Abonnement mensuel Standard$1.991 Month
- Abonnement mensuel Premium$3.991 Month
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- Abonnement mensuel Premium$5.991 Month
- Abonnement Mensuel Standard$6.991 Month
- Formule GOLD - FORFAIT UNIQUE A VIE$22.99
- Formule GOLD - FORFAIT UNIQUE A VIE$44.99
- Formule GOLD - FORFAIT UNIQUE A VIE$69.99
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- Formule GOLD - FORFAIT UNIQUE A VIE$89.99
- Formule GOLD - FORFAIT UNIQUE A VIE$99.99
Caffeine Tracker
- Remove Ads$4.99









