# UMIO vs ChatBot Smart Assistant

The clearest difference is in-app purchases: UMIO at none against ChatBot Smart Assistant's 3. UMIO also leads on device support (3 vs 1) and iOS requirement (12.4 vs 16.2). ChatBot Smart Assistant's advantage is update cadence (fortnightly vs monthly). On price and ads there is nothing between them.

Both are free to download. ChatBot Smart Assistant sells 3 in-app purchases, starting at $1.99 per 7 days. UMIO asks for nothing beyond the download.

UMIO ships an update monthly, ChatBot Smart Assistant fortnightly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UMIO | ChatBot Smart Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (9 ratings)](https://appshunter.io/ios/app/chatbot-smart-assistant-evan/id6446467038/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 23 MB |
| Requires iOS | **12.4** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Aipi Artificial Intelligent Platform Joint Stock Company](https://appshunter.io/developer/1529982467) | [Nicolo Stanciu](https://appshunter.io/developer/930855677) |

## What reviewers say

### UMIO

[App page](https://appshunter.io/ios/app/umio/id1551310161)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatBot Smart Assistant

[App page](https://appshunter.io/ios/app/chatbot-smart-assistant-evan/id6446467038)

Engage in intelligent conversations with an AI companion powered by advanced speech synthesis and ChatGPT integration.  Transcribe your voice into text and enjoy context-aware dialogue for a personalized experience.

**Highlights:** Advanced speech synthesis, Voice transcription, ChatGPT integration, Context-aware conversations, Personalized voice and speed settings

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Evan AI Pro Weekly | $1.99 | per 7 days |
| Evan AI Pro Monthly | $2.99 | per month |
| Evan AI Pro Yearly | $22.99 | per year |


## Frequently asked questions

### Is UMIO free?

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

### Is ChatBot Smart Assistant free?

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

### Do UMIO or ChatBot Smart Assistant have ads?

Neither UMIO nor ChatBot Smart Assistant shows ads.

### Which is updated more often, UMIO or ChatBot Smart Assistant?

UMIO ships an update monthly, and ChatBot Smart Assistant fortnightly. Most recently, UMIO was updated on October 8, 2026 and ChatBot Smart Assistant on October 16, 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.*