# Dou AI vs ScannerMaxPro

The clearest difference is update cadence: ScannerMaxPro at every 4 days against Dou AI's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dou AI sells 4 in-app purchases, starting at $4.99 per 7 days and ScannerMaxPro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dou AI ships an update monthly, ScannerMaxPro every 4 days. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Dou AI | ScannerMaxPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/dou-ai-chatbot/id6749772166/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Subscription | — |
| Size | 63 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eliberty Dev LLC](https://appshunter.io/developer/1832010002) | [Guzzetti](https://appshunter.io/developer/386285514) |

## What reviewers say

### Dou AI

[App page](https://appshunter.io/ios/app/dou-ai-chatbot/id6749772166)

This AI-powered assistant helps users communicate, explore ideas, and complete daily tasks efficiently. It offers natural conversations for writing, summarizing, idea generation, and learning, making advanced AI accessible through an intuitive interface.

**Highlights:** Intelligent AI-powered communication, Idea exploration and brainstorming, Content generation and text improvement, Information retrieval and learning, Natural and context-aware conversations, Intuitive and easy-to-use interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |


### ScannerMaxPro

[App page](https://appshunter.io/ios/app/scannermaxpro/id6792473600)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScannerMaxPro Premium | $4.99 | one-time |


## Frequently asked questions

### Is Dou AI free?

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

### Is ScannerMaxPro free?

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

### Do Dou AI or ScannerMaxPro have ads?

Neither Dou AI nor ScannerMaxPro shows ads.

### Which is updated more often, Dou AI or ScannerMaxPro?

Dou AI ships an update monthly, and ScannerMaxPro every 4 days. Most recently, Dou AI was updated on October 9, 2026 and ScannerMaxPro on September 26, 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.*