Reverse Diary vs KotsuKotsu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reverse Diary
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■ What is Reverse Diary? Unlike traditional diaries, Reverse Diary introduces a new style of journaling: Declare what you plan to do in the morning, and reflect on your progress at night. 【Ad-Free & Minimal Design】 No annoying ads. Just the essential features in a clean, user-friendly interface. Because it's something you use every day, we focus on a stress-free experience. ■ Recommended for those who... Struggle to stick with goals Want to build a journaling habit Crave a sense of accomplishment every day Are looking for a diary app without ads Prefer simple, intuitive apps Want to feel their personal growth ■ Main Features 【Morning Goals】 Set your goals for the day, and AI will generate personalized motivational messages to boost your energy and start your day right. 【Nightly Reflection】 Log your progress using 5 levels (0%, 25%, 50%, 75%, 100%). Even small achievements are visualized, helping build self-confidence. 【Monthly Goals】 Set a big goal at the start of each month and reflect at the end. Track your long-term growth. 【Calendar View】 See your past entries at a glance. Progress is color-coded, so you can instantly grasp your growth journey. 【Smart Notifications】 Receive gentle nudges at scheduled morning and night times. Helps turn journaling into a habit. 【Multilingual Support】 Available in 20 languages—usable anywhere in the world. 【Privacy-Focused】 All data is stored locally on your device No ad tracking Passcode lock ■ Three Simple Principles Ad-Free – Focus without distractions No Unnecessary Features – Only what truly matters Beautiful Design – Makes you want to open it daily ■ Premium Features Over 10 customizable themes More features to come ※ Core functions are completely free and ad-free. ■ How to Use Morning – Declare your daily goals Night – Reflect on your progress Repeat to build a lasting habit No distractions, no noise—just time to focus on yourself. By stacking up small wins, you'll move closer to your ideal self. Why not start today?
KotsuKotsu
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KotsuKotsu is a habit-tracking app that helps you stay consistent by recording and managing your goals. If you're someone who struggles to stick with habits on your own, KotsuKotsu makes it easier by letting you share your journey with friends and support each other along the way. ◆ Key Features Create and manage goals: Set daily habits or long-term goals that you want to achieve, big or small. Track your progress: Log your actions and reflections with ease. Great for staying motivated and looking back. Share with friends: Let your friends see your goals and progress—support each other in real time. Send reactions: Cheer each other on with fun reaction stamps to keep motivation high and the mood light. ◆ Perfect for you if... ・You struggle with motivation and staying consistent ・You want to build a new habit but often give up when doing it alone ・You enjoy light accountability and encouragement from others ・You want to gain confidence by building small wins every day ◆ How it works 1. Set your goal 2. Record your daily progress 3. Share and support each other with your friends Watch your “KotsuKotsu” (step-by-step progress) take shape over time! Even on days when motivation runs low, someone’s there to cheer you on. KotsuKotsu is your quiet but steady companion in making long-term habits stick—together.
Screenshots
Verdict
The clearest difference is in-app purchases: KotsuKotsu at none against Reverse Diary's 1. On price, ads, device support and iOS requirement 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. Reverse Diary sells 1 one-off in-app purchase. KotsuKotsu asks for nothing beyond the download.
| Parameter | Reverse Diary | KotsuKotsu |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Motoki Yoshikawa | DOCHE PISCARI K.K. |
In-app purchases
Reverse Diary
- Reverse Diary$2.99
KotsuKotsu
No in-app purchases









