BigPay App vs AIChatDoo
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BigPay App
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Your Hassle-Free Bills Payment Partner Our product is specially created to assist you in your day-to-day bills payments by prioritizing seamless transactions and offers like no other.
AIChatDoo
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AIChatDoo is a smart AI chat assistant designed to help you ask questions, write better, generate ideas, and handle everyday tasks more easily. Whether you need help with writing, rewriting, translation, brainstorming, studying, work, social media captions, emails, or daily conversations, AIChatDoo gives you a fast and useful AI chat experience anytime. Key Features โข Chat with AI anytime โข Ask questions and get instant answers โข Get help with writing, rewriting, and polishing text โข Generate ideas for work, study, and daily life โข Translate, summarize, and explain content โข Create emails, captions, messages, stories, and more โข Enjoy a smooth and easy-to-use AI chat experience Premium Membership Upgrade to AIChatDoo Premium to unlock full access and enjoy more powerful AI chat features. We offer three membership options: โข Weekly Membership Enjoy premium AI chat features on a weekly basis. โข Yearly Membership Get long-term access to premium features with better value. โข Lifetime Membership Unlock premium access with a one-time purchase. Subscription Information Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Privacy Policy: https://docs.google.com/document/d/1URh2x0CDTrXrulE2NF_fskZPt6tuSeelRwWrQ-lH5uo/edit?usp=sharing Terms of Service: https://docs.google.com/document/d/1vZrcTa_I-3nIe6atXsvCyHGZ6o4lnTSMGxtsKtynbcI/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: BigPay App at none against AIChatDoo's 3. BigPay App also leads on iOS requirement (12.0 vs 15.0). AIChatDoo's advantage is ads (none vs shown) and update cadence (every 5 days vs every 6 weeks). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. AIChatDoo sells 3 in-app purchases, starting at $3.99 per 7 days. BigPay App asks for nothing beyond the download.
BigPay App ships an update every 6 weeks, AIChatDoo every 5 days. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.
| Parameter | BigPay App | AIChatDoo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 5 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 12.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 59 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Platinum Easy Solutions Ltd | NovaMind AI |
In-app purchases
BigPay App
No in-app purchases
AIChatDoo
- week membership$3.997 Days
- year membership$14.991 Year
- lifetime membership$19.99









