Comparison

BigPay App vs AIChatDoo

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

BigPay App

Features
Read full description

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.

About

AIChatDoo

Features
Read full description

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 โ€ข Chat with AI anytime โ€ข Ask questions and get instant answers โ€ข Get help with writing, rewriting, and polishing text โ€ข Generate ideas for work, study, and daily life โ€ข Translate, summarize, and explain content โ€ข Create emails, captions, messages, stories, and more โ€ข 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: โ€ข Weekly Membership Enjoy premium AI chat features on a weekly basis. โ€ข Yearly Membership Get long-term access to premium features with better value. โ€ข 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

BigPay App4 screens
AIChatDoo4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences ยท 2 level
BigPay App versus AIChatDoo: the parameters behind the verdict, then further details
ParameterBigPay AppAIChatDoo
PriceFreeFree
Update frequencyEvery 6 weeksEvery 5 days โ€” better
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS12.0 โ€” better15.0
Further details โ€” not scored
Size59 MB9 MB
Age rating17+4+
DeveloperPlatinum Easy Solutions LtdNovaMind AI

In-app purchases

None

BigPay App

No in-app purchases

3 purchases

AIChatDoo

Subscriptions2
  • week membership$3.997 Days
  • year membership$14.991 Year
One-time1
  • lifetime membership$19.99

Questions

Is BigPay App free?
BigPay App is free to download, with no in-app purchases.
Is AIChatDoo free?
AIChatDoo is free to download, with in-app purchases available.
Do BigPay App or AIChatDoo have ads?
BigPay App shows ads; AIChatDoo does not.
Which is updated more often, BigPay App or AIChatDoo?
BigPay App ships an update every 6 weeks, and AIChatDoo every 5 days. Most recently, BigPay App was updated on September 24, 2026 and AIChatDoo on September 25, 2026.

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