# OptiMIS vs Chatbot App

The clearest difference is in-app purchases: OptiMIS at none against Chatbot App's 10. OptiMIS also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). Chatbot App's advantage is chart position (#49 vs unranked). On price, update cadence and ads there is nothing between them.

Both are free to download. Chatbot App sells 9 in-app purchases, starting at $4.99 per 7 days. OptiMIS asks for nothing beyond the download.

OptiMIS ships an update every 2 weeks, Chatbot App every 9 days. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | OptiMIS | Chatbot App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (5.3K ratings)](https://appshunter.io/ios/app/chatbot-app-ai-assistant/id6711347033/reviews)** |
| Number of ratings | — | **5.3K** |
| Positive reviews | — | 30.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Freemium |
| Best chart rank | — | **#49** |
| Size | 42 MB | 179 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 9+ |
| Developer | [SAVITRIYA TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/880570911) | [TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI](https://appshunter.io/developer/1564948890) |

## What reviewers say

### OptiMIS

[App page](https://appshunter.io/ios/app/optimis/id6503255962)

**In-app purchases:** none


### Chatbot App

[App page](https://appshunter.io/ios/app/chatbot-app-ai-assistant/id6711347033)

**Currently charting:** #49 Top Grossing · Productivity, #75 Top Free · Productivity (US App Store)

Access multiple advanced AI models like ChatGPT, Gemini, and Claude in a single, user-friendly application. Engage in real-time voice chats, generate images, get expert insights, and receive personalized coaching for various aspects of your life.

**Highlights:** Real-time voice chat, Interactive explanations and visualized answers, AI-powered travel planning, Instant image generation, Article summarization, Idea generation and writing improvement, Support for 140+ languages

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatbot App AI Weekly 3DFT Sub | $4.99 | per 7 days |
| Chatbot App AI Weekly Subs | $4.99 | per 7 days |
| Chatbot App AI Weekly 3DFT Sub | $6.99 | per 7 days |
| Chatbot App AI Weekly Subs | $6.99 | per 7 days |
| Chatbot App AI Weekly 3DFT Sub | $7.99 | per 7 days |
| Chatbot App AI Weekly 3DFT Sub | $9.99 | per 7 days |
| Chatbot App AI Weekly Sub | $9.99 | per 7 days |
| Chatbot App AI Yearly Subs | $39.99 | per year |
| Chatbot App AI Playbook | $9.99 | one-time |

**What reviewers like**

- 💡 Centralized AI models
- 👍 Good concept

**What reviewers complain about**

- 🚫 Deceptive and misleading marketing
- 🚫 Broken login and poor communication
- 🚫 Unresponsive support and inability to get refunds
- 🚫 Outdated and limited AI capabilities
- 🚫 Slow performance and high price

**Reported bugs**

- Image generation errors
- Inconsistent login and subscription issues

**Requested features**

- PDF file generation capability


## Frequently asked questions

### Is OptiMIS free?

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

### Is Chatbot App free?

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

### Do OptiMIS or Chatbot App have ads?

Neither OptiMIS nor Chatbot App shows ads.

### Which is updated more often, OptiMIS or Chatbot App?

OptiMIS ships an update every 2 weeks, and Chatbot App every 9 days. Most recently, OptiMIS was updated on October 16, 2026 and Chatbot App on October 20, 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.*