CHALK ビジネス専用チャット vs PonAI AI Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHALK ビジネス専用チャット
Read full descriptionHide full description
The "Chalk" is international communication APP. "Chalk" is Cho(Japanese:Super)Talk APP. Also "Chalk" can manage your schedule for meeting with friends! This can do send my movie to your friends, so easy! Let's try search your friends and your life style!
PonAI AI Diary
Read full descriptionHide full description
PonAI is an AI diary app that helps you turn everyday thoughts into a lasting journal. Write by typing or voice input, review your entries on a calendar, and let AI create a picture inspired by your diary. Use PonAI to record moods, memories, ideas, gratitude, and small moments you do not want to forget. A simple design keeps writing fast, while calendar and statistics views make it easier to continue your habit. Key features: • Diary writing with text or voice input • AI image generation from diary entries • Calendar view for daily reflection • Mood and tag tracking • Quote display and writing reminders • Display language and speech input language settings PonAI is made for people who want a gentle diary, mood journal, AI journal, or private writing habit in one place.
Screenshots
Verdict
The clearest difference is ads: CHALK ビジネス専用チャット at none against PonAI AI Diary's shown. CHALK ビジネス専用チャット also leads on iOS requirement (13.0 vs 17.6). PonAI AI Diary's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, 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. Neither carries in-app purchases, so what you see is what you pay.
CHALK ビジネス専用チャット ships an update every 5 weeks, PonAI AI Diary every 2 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.
| Parameter | CHALK ビジネス専用チャット | PonAI AI Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 45 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Kweather Japan Co.,Ltd. | BYNET |
In-app purchases
CHALK ビジネス専用チャット
No in-app purchases
PonAI AI Diary
No in-app purchases









