# QuizChat/Helpful App for Study vs PonAI AI Diary

The clearest difference is update cadence: QuizChat/Helpful App for Study at every 2 days against PonAI AI Diary's every 2 weeks. PonAI AI Diary's advantage is iOS requirement (17.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

QuizChat/Helpful App for Study ships an update every 2 days, PonAI AI Diary every 2 weeks. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QuizChat/Helpful App for Study | PonAI AI Diary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 24 MB | 6 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kodai Nakade](https://appshunter.io/developer/1679722037) | [BYNET](https://appshunter.io/developer/1811735131) |

## What reviewers say

### QuizChat/Helpful App for Study

[App page](https://appshunter.io/ios/app/quizchathelpful-app-for-study/id6739839734)

Create custom study materials with a personalized character that quizzes you. Import question data from your computer for efficient learning management. Set test parameters like question count and time limits.

**Highlights:** Character creation, Custom question/answer creation, Character-led quizzing, Folder organization for questions, CSV file import for questions, Adjustable test settings

**Features:** macOS Compatibility

**In-app purchases:** none


### PonAI AI Diary

[App page](https://appshunter.io/ios/app/ponai-ai-diary/id6740941148)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QuizChat/Helpful App for Study free?

QuizChat/Helpful App for Study 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 QuizChat/Helpful App for Study or PonAI AI Diary have ads?

Both QuizChat/Helpful App for Study and PonAI AI Diary show ads.

### Which is updated more often, QuizChat/Helpful App for Study or PonAI AI Diary?

QuizChat/Helpful App for Study ships an update every 2 days, and PonAI AI Diary every 2 weeks. Most recently, QuizChat/Helpful App for Study was updated on October 13, 2026 and PonAI AI Diary on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*