Duall Master vs FlashChat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duall Master
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The DeMasterPro app provide functionality to make your phone as smart key, which can open the door lock by tap to the door reader or even remotely. Within the app user can: - Tap to the reader at the gate to open the door - Open door using QR code - Open the door remotely from the app - View status of the door in realtime from anywhere - View access log of the users in the door gate every time, from anywhere - Access time attendance report - Activate/deactivate emergency situation conveniently and precisely
FlashChat
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.
- Daily AI conversations
- Save chat history as diary
- Support for multiple learning languages
- Vocabulary saving from context
- MessagePlus sentence formation
- Multiple user profiles
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We believe the best way to self grow is to learn new things everyday. We build our GPT chat character to start a conversation with you daily, check on your day and communicate with you. FlashChat is powered by state-of-the-art GPT chat services to provide you Diary chat experience with these features: ● Quick chat with language AI, enjoy daily conversation with high availability ● Save and query chat history as your Diary ● Support multiple learning languages: English, Spanish, French, Italian, and many more to come ● Support variety of native languages, translation and dictionaries are widely available ● MessagePlus to help you form sentences from your native language ● Save and review vocabularies from conversation context ● Create multiple profiles, chat with different contexts Thanks and enjoy! Terms: https://just.1dreamm.com/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Duall Master | FlashChat |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 78 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | DUALi Inc. | 1dreamm Ltd. |
In-app purchases
Duall Master
No in-app purchases
FlashChat
- Lite Membership$2.991 Month
- Gold Membership$9.991 Month
