Comparison

DoubtBuddy vs World Inbox My Class

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

Head to head

About

DoubtBuddy

Read full description

Doubt Buddy – Snap a doubt, get instant AI explanations or connect with expert tutors 24/7—designed to boost confidence and clarity in school and competitive exam prep.

About

World Inbox My Class

Read full description

World Inbox is an educational app that provides a wide range of resources for students preparing for academic and competitive exams. It features comprehensive study materials, quizzes, mock tests, and video lectures tailored to help learners excel in their studies. With a focus on accessibility and quality content, World Inbox aims to serve as a one-stop solution for educational needs.

Screenshots

DoubtBuddy4 screens

World Inbox My Class4 screens

Verdict

The call

DoubtBuddy and World Inbox My Class are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DoubtBuddy ships an update monthly, World Inbox My Class every 3 weeks. The most recent releases landed on September 8, 2026 and June 1, 2026 respectively.

ScorecardNo meaningful differences

DoubtBuddy versus World Inbox My Class: the parameters behind the verdict, then further details
Parameter	DoubtBuddy	World Inbox My Class
Price	Free	Free
Update frequency	Monthly	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0	14.0
Further details — not scored
Size	94 MB	93 MB
Age rating	17+	4+
Developer	Anuj Gupta	Aakash Sinha

In-app purchases

None

DoubtBuddy

No in-app purchases

None

World Inbox My Class

No in-app purchases

Questions

Is DoubtBuddy free?

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

Is World Inbox My Class free?

World Inbox My Class is free to download, with no in-app purchases.

Do DoubtBuddy or World Inbox My Class have ads?

Neither DoubtBuddy nor World Inbox My Class shows ads.

Which is updated more often, DoubtBuddy or World Inbox My Class?

DoubtBuddy ships an update monthly, and World Inbox My Class every 3 weeks. Most recently, DoubtBuddy was updated on September 8, 2026 and World Inbox My Class on June 1, 2026.