Simple Caffeine vs on
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Caffeine
Easily track your caffeine intake with a simple interface. This app saves your caffeine consumption data directly to Apple Health, requiring access to your health data.
- Simple caffeine logging
- Apple Health integration
- Track intake history
- Minimalist design
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カフェイン摂取量が気になるが、あまり細かく摂取量を記録できない方に、シンプルな操作で記録できるようにするアプリです。 iPhone のヘルスケアにカフェイン摂取量を保存するのでヘルスケアへのアクセスが必要になります。
on
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Want to visualize your daily energy? on is a simple tile-style counter app that helps you see how you spend your time and energy each day. # Perfect for people who: - Feel like days are just passing by - Want to reflect on their lifestyle - Are too busy to notice where their time goes - Work remotely or independently and need their own rhythm - Don’t want strict time tracking # Main Features - Simple Tapping Distribute 12 energy drops each day to tiles such as Work, Hobbies, or People - Reports Discover weekly trends and insights from your resource allocation - Goal Drops Set target drops for each tile and move closer to your ideal balance # Daily Switch Swipe left or right to review past records easily # How to Use 1. Create tiles (Work, Hobbies, People, etc.) 2. Allocate your 12 daily energy drops with a tap 3. Review logs and reports to adjust your activities # Highlights - Easy to continue with a lightweight logging style - Private and personal—your data stays with you Don’t just guess how you spend your time—visualize it and enjoy a more fulfilling day.
Screenshots
Verdict
The clearest difference is price: on at Free against Simple Caffeine's $0.99. on also leads on update cadence (every 2 days vs every 8 months). Simple Caffeine's advantage is iOS requirement (12.0 vs 15.6). On ads, 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
on is free to download; Simple Caffeine costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Caffeine ships an update every 8 months, on every 2 days. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.
| Parameter | Simple Caffeine | on |
|---|---|---|
| Price | $0.99 | Free — better |
| Positive reviews | 75.0% of reviews | — |
| Update frequency | Every 8 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 18 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | feb19 | plpl Inc. |
In-app purchases
Simple Caffeine
No in-app purchases
on
No in-app purchases









