CaffPulse vs Impulse Mode
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
CaffPulse
Visualize your caffeine levels with an interactive liquid display and understand its impact on your sleep. Get personalized insights and track your intake from over 70 popular brands to optimize your daily caffeine consumption.
- Interactive liquid caffeine display
- Personalized sleep timing recommendations
- Customizable metabolism settings
- Database of 70+ brand drinks
- Daily caffeine limit tracking
- Caffeine decay charts
- Home screen widgets
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Track your caffeine intake beautifully and know exactly when it's optimal to sleep. CaffPulse shows you how caffeine moves through your body in real-time with a stunning interactive liquid display that responds to your phone's motion. No more guessing if that afternoon coffee will keep you up at night. WHY CAFFPULSE? Most people have no idea how much caffeine is actually in their system or how long it takes to clear. That 3pm latte? It could still be affecting your sleep at midnight. CaffPulse makes the invisible visible. FEATURES ⢠Beautiful Liquid Display Watch your caffeine level visualized as an interactive liquid container. Tilt your phone and watch it slosh. The color shifts from amber to teal as you approach sleep-safe levels. ⢠Know When to Sleep Get a clear answer: "Safe to sleep at 11:30 PM" or "47mg remaining - winds down in 3 hours." No more wondering. ⢠Personalized to Your Body Set your metabolism speed, or go deeper with factors like age, weight, smoking status, and even genetic CYP1A2 variants. Your half-life, your way. ⢠70+ Brand Drinks Starbucks, Dunkin', Costa, Peet's, McDonald's and more. Tap your drink, select your size, done. ⢠Streak Goals Set a daily caffeine limit and build streaks. Watch the flame grow as you hit your goals day after day. ⢠Beautiful Charts See your caffeine decay throughout the day. Long-press to scrub through time and predict future levels. ⢠Quick Widgets Log your favorite drinks right from your home screen without opening the app. ⢠Smart Insights Daily tips based on your consumption patterns help you optimize your caffeine timing. DESIGNED FOR - Health-conscious coffee lovers - People optimizing their sleep - Anyone curious about caffeine's effects - Those reducing their caffeine intake Download CaffPulse and finally understand what caffeine is doing to your body.
Impulse Mode
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Impulse is a guided experiment for changing a stuck behavior ā with structure, not willpower. Instead of focusing only on planning or reflection, Impulse helps you work through urges in the moment they arise. You begin with a free baseline to observe patterns, then run a short experiment to test what actually works for you. Features: ⢠Free baseline to understand triggers and patterns ⢠In-the-moment intervention tracking ⢠Daily reflection and structured adjustments ⢠Anonymous by design ā no name or email required Impulse is a non-clinical tool for self-observation and experimentation. It does not provide therapy, diagnosis, or medical treatment.
Screenshots
Verdict
The clearest difference is update cadence: CaffPulse at every 5 days against Impulse Mode's every 2 months. Impulse Mode's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CaffPulse ships an update every 5 days, Impulse Mode every 2 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.
| Parameter | CaffPulse | Impulse Mode |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | ā |
| Update frequency | Every 5 days ā better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | ā |
| Devices | iPhone | iPhone, iPod ā better |
| Requires iOS | 18.6 | 15.1 ā better |
| Further details ā not scored | ||
| Size | 4 MB | 118 MB |
| Age rating | 12+ | 12+ |
| Developer | Alex Carneiro | Michael Dawson |
In-app purchases
CaffPulse
No in-app purchases
Impulse Mode
No in-app purchases









