# Postis vs Chatbot Assistant

The clearest difference is in-app purchases: Postis at none against Chatbot Assistant's 5. Postis also leads on iOS requirement (12.4 vs 16.0). Chatbot Assistant's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Chatbot Assistant sells 5 in-app purchases, starting at $6.99 per 7 days. Postis asks for nothing beyond the download.

Postis ships an update every 4 months, Chatbot Assistant every 2 weeks. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Postis | Chatbot Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (146 ratings)](https://appshunter.io/ios/app/chatbot-assistant-ai-mind/id6467704936/reviews)** |
| Number of ratings | — | **146** |
| Positive reviews | — | 86.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 71 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [POSTIS EXPRESS SA](https://appshunter.io/developer/1505313439) | [Kizuna Ltd](https://appshunter.io/developer/1565953086) |

## What reviewers say

### Postis

[App page](https://appshunter.io/ios/app/postis/id1510338835)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chatbot Assistant

[App page](https://appshunter.io/ios/app/chatbot-assistant-ai-mind/id6467704936)

This intelligent mobile assistant provides personalized answers and helps with various tasks, from writing and content creation to recipes and travel planning. It offers a human-like chat experience with advanced AI features like voice input and image text recognition.

**Highlights:** Human-like chatbot interface, AI suggestions and personalized responses, Voice input and image text recognition, Content creation for various needs, Conversation history and sharing options, Task assistance for work, studies, and personal life

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Chatbot - 1 Week Access | $6.99 | per 7 days |
| Chat Aid: 1 Week Access | $7.99 | per 7 days |
| AI Chatbot Assistant - 1 Week | $7.99 | per 7 days |
| Chatbot Assistant - 1 Year | $39.99 | per year |
| Chat Aid: 1 Year Access | $49.99 | per year |


## Frequently asked questions

### Is Postis free?

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

### Is Chatbot Assistant free?

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

### Do Postis or Chatbot Assistant have ads?

Neither Postis nor Chatbot Assistant shows ads.

### Which is updated more often, Postis or Chatbot Assistant?

Postis ships an update every 4 months, and Chatbot Assistant every 2 weeks. Most recently, Postis was updated on September 8, 2026 and Chatbot Assistant on September 19, 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.*