# AI Smart Bot・ChatBot Assistant vs Stackby 2.0

The clearest difference is in-app purchases: Stackby 2.0 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. Stackby 2.0 asks for nothing beyond the download.

AI Smart Bot・ChatBot Assistant ships an update fortnightly, Stackby 2.0 monthly. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | AI Smart Bot・ChatBot Assistant | Stackby 2.0 |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 53 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Olga Gribovskaia](https://appshunter.io/developer/1581593045) | [Relytree Technologies Pvt. Ltd](https://appshunter.io/developer/1528175769) |

## What reviewers say

### 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 |


### Stackby 2.0

[App page](https://appshunter.io/ios/app/stackby-20/id6790438013)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is Stackby 2.0 free?

Stackby 2.0 is free to download, with no in-app purchases.

### Do AI Smart Bot・ChatBot Assistant or Stackby 2.0 have ads?

Neither AI Smart Bot・ChatBot Assistant nor Stackby 2.0 shows ads.

### Which is updated more often, AI Smart Bot・ChatBot Assistant or Stackby 2.0?

AI Smart Bot・ChatBot Assistant ships an update fortnightly, and Stackby 2.0 monthly. Most recently, AI Smart Bot・ChatBot Assistant was updated on October 10, 2026 and Stackby 2.0 on October 17, 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.*