# AIチャットくん（AI Chat） vs Presentation & Voice Timer

The clearest difference is update cadence: Presentation & Voice Timer at fortnightly against AIチャットくん（AI Chat）'s monthly. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AIチャットくん（AI Chat） sells 4 in-app purchases, starting at $4.99 per 7 days and Presentation & Voice Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AIチャットくん（AI Chat） ships an update monthly, Presentation & Voice Timer fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AIチャットくん（AI Chat） | Presentation & Voice Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/aiai-chat-ai/id1668296749/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 89 MB | 48 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Yukito Shibuya](https://appshunter.io/developer/1451047215) | [KARTIS WORKS](https://appshunter.io/developer/1315495920) |

## What reviewers say

### AIチャットくん（AI Chat）

[App page](https://appshunter.io/ios/app/aiai-chat-ai/id1668296749)

This AI-powered assistant helps users with a variety of tasks, from answering questions and generating ideas to assisting with learning and daily chores. It can act as a tutor, a creative partner, or a conversational companion.

**Highlights:** AI-powered conversation, Task automation and efficiency, Learning and tutoring support, Creative idea generation, Daily life assistance, Language learning tutor

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| スタンダードプラン | $4.99 | per 7 days |
| スタンダード | $8.99 | per month |
| スタンダードプラン | $24.99 | per 3 months |
| スタンダードプラン | $69.99 | per year |


### Presentation & Voice Timer

[App page](https://appshunter.io/ios/app/presentation-and-voice-timer/id6756950717)

This app provides a versatile timer for presentations, study sessions, and focused work using techniques like Pomodoro. It offers voice notifications and background operation for accurate timekeeping. A premium version unlocks more timers and an ad-free experience.

**Highlights:** Multiple timer creation, Voice and sound notifications, Background operation, Pomodoro timer with auto switching, Reorder and pin timers, Ad-free premium experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版 | $2.99 | one-time |


## Frequently asked questions

### Is AIチャットくん（AI Chat） free?

AIチャットくん（AI Chat） is free to download, with in-app purchases available.

### Is Presentation & Voice Timer free?

Presentation & Voice Timer is free to download, with in-app purchases available.

### Do AIチャットくん（AI Chat） or Presentation & Voice Timer have ads?

Neither AIチャットくん（AI Chat） nor Presentation & Voice Timer shows ads.

### Which is updated more often, AIチャットくん（AI Chat） or Presentation & Voice Timer?

AIチャットくん（AI Chat） ships an update monthly, and Presentation & Voice Timer fortnightly. Most recently, AIチャットくん（AI Chat） was updated on November 3, 2026 and Presentation & Voice Timer on October 30, 2026.

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