# ぜったい覚える！英検準１級単語帳 vs AI チャット bot +

The clearest difference is in-app purchases: ぜったい覚える！英検準１級単語帳 at none against AI チャット bot +'s 1. AI チャット bot +'s advantage is ads (none vs shown) and update cadence (monthly vs every 12 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AI チャット bot + sells 1 in-app purchase, starting at $5.99 per 7 days. ぜったい覚える！英検準１級単語帳 asks for nothing beyond the download.

ぜったい覚える！英検準１級単語帳 ships an update every 12 months, AI チャット bot + monthly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ぜったい覚える！英検準１級単語帳 | AI チャット bot + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-bot-plus/id6446278567/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 70 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [Baigen INC](https://appshunter.io/developer/1676579619) |

## What reviewers say

### ぜったい覚える！英検準１級単語帳

[App page](https://appshunter.io/ios/app/id1294983619)

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

**In-app purchases:** none


### AI チャット bot +

[App page](https://appshunter.io/ios/app/ai-bot-plus/id6446278567)

Engage in natural conversations with an AI that provides human-like responses. Ask questions and enjoy a fulfilling chat experience on your smartphone. Offers a free tier with most features available.

**Highlights:** Human-like AI responses, Unlimited text transmission (paid), Free to use most features, Automatic monthly renewal, Subscription management via App Store

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI VIP Pro | $5.99 | per 7 days |


## Frequently asked questions

### Is ぜったい覚える！英検準１級単語帳 free?

ぜったい覚える！英検準１級単語帳 is free to download, with no in-app purchases.

### Is AI チャット bot + free?

AI チャット bot + is free to download, with in-app purchases available.

### Do ぜったい覚える！英検準１級単語帳 or AI チャット bot + have ads?

ぜったい覚える！英検準１級単語帳 shows ads; AI チャット bot + does not.

### Which is updated more often, ぜったい覚える！英検準１級単語帳 or AI チャット bot +?

ぜったい覚える！英検準１級単語帳 ships an update every 12 months, and AI チャット bot + monthly. Most recently, ぜったい覚える！英検準１級単語帳 was updated on October 3, 2026 and AI チャット bot + on October 4, 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.*