# Dynamo vs AI Chat Bot Assistant

The clearest difference is in-app purchases: Dynamo at none against AI Chat Bot Assistant's 11. Dynamo also leads on ads (none vs shown) and device support (3 vs 1). AI Chat Bot Assistant's advantage is update cadence (fortnightly vs every 2 months). On price there is nothing between them.

Both are free to download. AI Chat Bot Assistant sells 11 in-app purchases, starting at $4.99 per 7 days. Dynamo asks for nothing beyond the download.

Dynamo ships an update every 2 months, AI Chat Bot Assistant fortnightly. The most recent releases landed on December 12, 2025 and October 26, 2026 respectively.

## The numbers

| Metric | Dynamo | AI Chat Bot Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/ai-chat-bot-assistant-izi/id1667441037/reviews)** |
| Number of ratings | — | **1.1K** |
| Positive reviews | — | 59.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 161 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +17 |
| Developer | [KHELPDESK TECHNOLOGY LTDA](https://appshunter.io/developer/1346693189) | [ASAP Visuals, Inc.](https://appshunter.io/developer/1302922844) |

## What reviewers say

### Dynamo

[App page](https://appshunter.io/ios/app/dynamo/id1630865890)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Chat Bot Assistant

[App page](https://appshunter.io/ios/app/ai-chat-bot-assistant-izi/id1667441037)

This app acts as a virtual assistant powered by advanced AI. It can generate images, solve math problems with explanations, assist with test preparation and essay writing, offer relationship advice, create diet plans, and provide astrological insights.

**Highlights:** Image generation and recognition, Math problem solving with step-by-step explanations, Test preparation assistance, Essay writing support, Relationship advice, Personalized diet plans, Astrological insights

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bart AI PRO, 1 Week unlimited | $4.99 | per 7 days |
| Bart AI PRO, 1 Week unlimited | $4.99 | per 7 days |
| Ask BOT+ 1 Week unlimited | $6.99 | per 7 days |
| izi AI Pro, 3 Days Free Trial | $6.99 | per 7 days |
| Ask BOT+ 1 Week unlimited | $7.99 | per 7 days |
| izi AI Pro, 3 Days Free Trial | $7.99 | per 7 days |
| Ask BOT+ 1 Month unlimited | $12.99 | per month |
| Bee Bot+ 6 Months unlimited | $39.99 | per 6 months |
| izi AI Pro, 1 Year unlimited | $49.99 | per year |
| izi AI Pro, 3 Days Free Trial | $49.99 | per year |
| izi AI Pro, 1 Year unlimited | $49.99 | per year |

**What reviewers like**

- 👍 Good chat feature
- 👍 Helpful photo generator
- 👍 Effective in answering questions
- 👍 Precise and helpful answers

**What reviewers complain about**

- 🐛 Issues with writing long texts
- 💰 Overly aggressive paywall
- 🔒 Difficulty canceling subscription
- 🤖 Judgmental and restrictive AI behavior

**Reported bugs**

- Disconnection issues with 'mastermind'
- Incompatibility with older devices

**Requested features**

- Dark mode option
- Less restrictive AI assistant
- Improved long-form text handling


## Frequently asked questions

### Is Dynamo free?

Dynamo is free to download, with no in-app purchases.

### Is AI Chat Bot Assistant free?

AI Chat Bot Assistant is free to download, with in-app purchases available.

### Do Dynamo or AI Chat Bot Assistant have ads?

AI Chat Bot Assistant shows ads; Dynamo does not.

### Which is updated more often, Dynamo or AI Chat Bot Assistant?

Dynamo ships an update every 2 months, and AI Chat Bot Assistant fortnightly. Most recently, Dynamo was updated on December 12, 2025 and AI Chat Bot Assistant on October 26, 2026.

---

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