Comparison

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.

Head to head
About

CHALK ビジネス専用チャット

Features
Read 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!

About

PonAI AI Diary

Features
Read 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

CHALK ビジネス専用チャット4 screens
PonAI AI Diary3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
CHALK ビジネス専用チャット versus PonAI AI Diary: the parameters behind the verdict, then further details
ParameterCHALK ビジネス専用チャットPonAI AI Diary
PriceFreeFree
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size45 MB6 MB
Age rating4+4+
DeveloperKweather Japan Co.,Ltd.BYNET

In-app purchases

None

CHALK ビジネス専用チャット

No in-app purchases

None

PonAI AI Diary

No in-app purchases

Questions

Is CHALK ビジネス専用チャット free?
CHALK ビジネス専用チャット is free to download, with no in-app purchases.
Is PonAI AI Diary free?
PonAI AI Diary is free to download, with no in-app purchases.
Do CHALK ビジネス専用チャット or PonAI AI Diary have ads?
PonAI AI Diary shows ads; CHALK ビジネス専用チャット does not.
Which is updated more often, CHALK ビジネス専用チャット or PonAI AI Diary?
CHALK ビジネス専用チャット ships an update every 5 weeks, and PonAI AI Diary every 2 weeks. Most recently, CHALK ビジネス専用チャット was updated on October 14, 2026 and PonAI AI Diary on October 25, 2026.

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