Comparison

KAS Mentor vs eThink

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

Head to head

About

KAS Mentor

Features

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Introducing our state-of-the-art learning app, designed specifically to help you excel in government service exams in Kerala. With customized learning plans tailored to suit your individual needs, KAS Mentor app provides the perfect platform to prepare for exams such as KAS, Degree level PSC, 10th and +2 level PSC and more. Featuring a comprehensive range of study materials, pdf resources for download, practice tests, and expert guidance, our app is the ultimate solution to help you achieve your dream job in the government sector.

About

eThink

Read full description

Get Personalized Learning Outcomes for everyone. An in-depth performance analysis, where you can know your strong and weak points, your all India rank, your state rank etc. You will also get a virtual tutor who is completely dedicated to bringing out the best in you. It will prioritize your concepts, chapters, topics, and questions through machine learning. Get this innovative learning experience only on eThink!!

Screenshots

KAS Mentor4 screens

eThink4 screens

Verdict

The call

The clearest difference is update cadence: KAS Mentor at every 5 months against eThink's every 12 months. KAS Mentor also leads on iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. KAS Mentor sells 9 one-off in-app purchases and eThink sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

KAS Mentor ships an update every 5 months, eThink every 12 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 4 level

KAS Mentor versus eThink: the parameters behind the verdict, then further details
Parameter	KAS Mentor	eThink
Price	Free	Free
Update frequency	Every 5 months — better	Every 12 months
Ads	No	No
In-app purchases	Yes	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	15.5
Further details — not scored
Size	46 MB	146 MB
Age rating	17+	4+
Developer	KAS Mentor	Online Learning

In-app purchases

9 purchases

KAS Mentor

One-time9

Kerala PSC2 variantsFree
Kerala PSC$9.99
Kerala PSC$119.99

Show 6 more

Kerala PSC$129.99
Kerala PSC$149.99
Kerala PSC$199.99
Kerala PSC$249.99
Kerala PSC$299.99
Kerala PSC11 variants$799.99

10 purchases

eThink

One-time10

Package - AV$34.99
Package - BA$39.99
Package - BB$39.99

Show 7 more

Package - AW$39.99
Package - AY$39.99
Package - BD$39.99
Package - BE$44.99
Package - BG$49.99
Package - BH$49.99
Package - BF$49.99

Questions

Is KAS Mentor free?

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

Is eThink free?

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

Do KAS Mentor or eThink have ads?

Neither KAS Mentor nor eThink shows ads.

Which is updated more often, KAS Mentor or eThink?

KAS Mentor ships an update every 5 months, and eThink every 12 months. Most recently, KAS Mentor was updated on October 1, 2026 and eThink on September 27, 2026.