# Duall Master vs FlashChat

The clearest difference is in-app purchases: Duall Master at none against FlashChat's 2. Duall Master also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. FlashChat sells 2 in-app purchases, starting at $2.99 per month. Duall Master asks for nothing beyond the download.

Duall Master ships an update fortnightly, FlashChat every 9 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Duall Master | FlashChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flashchat-diary-with-gpt-ai/id1671857001/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DUALi Inc.](https://appshunter.io/developer/1416508011) | [1dreamm Ltd.](https://appshunter.io/developer/1138235281) |

## What reviewers say

### Duall Master

[App page](https://appshunter.io/ios/app/duall-master/id1500403553)

**Features:** macOS Compatibility

**In-app purchases:** none


### FlashChat

[App page](https://appshunter.io/ios/app/flashchat-diary-with-gpt-ai/id1671857001)

Engage in daily conversations with an AI chatbot to foster self-growth and learn new things. Save chat history as a diary, practice multiple languages, and build vocabulary. The app supports multiple profiles for varied chat contexts.

**Highlights:** Daily AI conversations, Save chat history as diary, Support for multiple learning languages, Vocabulary saving from context, MessagePlus sentence formation, Multiple user profiles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Membership | $2.99 | per month |
| Gold Membership | $9.99 | per month |


## Frequently asked questions

### Is Duall Master free?

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

### Is FlashChat free?

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

### Do Duall Master or FlashChat have ads?

FlashChat shows ads; Duall Master does not.

### Which is updated more often, Duall Master or FlashChat?

Duall Master ships an update fortnightly, and FlashChat every 9 days. Most recently, Duall Master was updated on November 7, 2026 and FlashChat on November 3, 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.*