# AI Smart Bot・ChatBot Assistant vs Researchist

The clearest difference is device support: Researchist at 3 against AI Smart Bot・ChatBot Assistant's 1. AI Smart Bot・ChatBot Assistant's advantage is iOS requirement (16.0 vs 27.0). On price, update cadence, ads and in-app purchases 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 and Researchist sells 1 in-app purchase, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AI Smart Bot・ChatBot Assistant | Researchist |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 113 MB |
| Requires iOS | **16.0** | 27.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Olga Gribovskaia](https://appshunter.io/developer/1581593045) | [Essayist Software Inc.](https://appshunter.io/developer/1537845386) |

## 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 |


### Researchist

[App page](https://appshunter.io/ios/app/researchist-pdf-reader/id6749282472)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Researchist Pro (Yearly) | $39.99 | per year |


## 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 Researchist free?

Researchist is free to download, with in-app purchases available.

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

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

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

AI Smart Bot・ChatBot Assistant ships an update fortnightly, and Researchist fortnightly. Most recently, AI Smart Bot・ChatBot Assistant was updated on October 10, 2026 and Researchist on October 4, 2026.

---

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