# Overlay AI vs AI Smart Bot・ChatBot Assistant

The clearest difference is in-app purchases: Overlay AI at none against AI Smart Bot・ChatBot Assistant's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Smart Bot・ChatBot Assistant sells 4 in-app purchases, starting at $3.99 per 7 days. Overlay AI asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 15, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Overlay AI | AI Smart Bot・ChatBot Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ai-smart-botchatbot-assistant/id6449835125/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 200 MB | 38 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Overlay AI](https://appshunter.io/developer/1803997008) | [Olga Gribovskaia](https://appshunter.io/developer/1581593045) |

## What reviewers say

### Overlay AI

[App page](https://appshunter.io/ios/app/overlay-ai/id6449449495)

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

**In-app purchases:** none


### AI Smart Bot・ChatBot Assistant

[App page](https://appshunter.io/ios/app/ai-smart-botchatbot-assistant/id6449835125)

This AI companion app leverages advanced GPT-4 technology for in-depth conversations and assistance. It offers an ad-free experience with an extended word limit, over 100 prompts, and more than 50 specialized AI assistants for diverse needs.

**Highlights:** GPT-4 AI Model, Ad-free experience, Higher word limit for conversations, Over 100 prompts, Over 50 specialized AI assistants, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ask Anything 1 Week | $3.99 | per 7 days |
| Ask Anything 1 Week | $5.99 | per 7 days |
| Ask and Chat 1 Year | $39.99 | per year |
| Ask and Chat 1 Year | $49.99 | per year |


## Frequently asked questions

### Is Overlay AI free?

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

### Is AI Smart Bot・ChatBot Assistant free?

AI Smart Bot・ChatBot Assistant is free to download, with in-app purchases available.

### Do Overlay AI or AI Smart Bot・ChatBot Assistant have ads?

Neither Overlay AI nor AI Smart Bot・ChatBot Assistant shows ads.

### Which is updated more often, Overlay AI or AI Smart Bot・ChatBot Assistant?

Overlay AI ships an update fortnightly, and AI Smart Bot・ChatBot Assistant fortnightly. Most recently, Overlay AI was updated on September 15, 2026 and AI Smart Bot・ChatBot Assistant on June 10, 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.*