# Opus App vs AI Smart Bot・ChatBot Assistant

The clearest difference is in-app purchases: Opus App at none against AI Smart Bot・ChatBot Assistant's 4. Opus App also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.0). AI Smart Bot・ChatBot Assistant's advantage is update cadence (fortnightly vs every 2 months). On price and ads 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. Opus App asks for nothing beyond the download.

Opus App ships an update every 2 months, AI Smart Bot・ChatBot Assistant fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Opus App | 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 | Every 2 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 155 MB | 38 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LUNDIN SOFTWARE SRL](https://appshunter.io/developer/1508584818) | [Olga Gribovskaia](https://appshunter.io/developer/1581593045) |

## What reviewers say

### Opus App

[App page](https://appshunter.io/ios/app/opus-app/id1555440529)

**Features:** macOS Compatibility

**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 Opus App free?

Opus App 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 Opus App or AI Smart Bot・ChatBot Assistant have ads?

Neither Opus App nor AI Smart Bot・ChatBot Assistant shows ads.

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

Opus App ships an update every 2 months, and AI Smart Bot・ChatBot Assistant fortnightly. Most recently, Opus App was updated on October 7, 2026 and AI Smart Bot・ChatBot Assistant on October 10, 2026.

---

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