Comparison

CELT vs TheTeacherAi

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

Head to head

Educational Centre

About

CELT

Features

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 CELT Educational Centre Test Series!!

About

TheTeacherAi

Features

Read full description

Welcome to LessonViewer, a practical tool for teachers in Sierra Leone to access relevant course material. This app shows lesson plans from the Sierra Leone MBSSE Knowledge Portal. All plans are parsed and formatted into sections, easily searchable by level, grade, term, subject, lesson number, or theme, bringing a vast range of content at your fingertips. Use our user-friendly front-end interface to select search parameters. The app is here to support your teaching journey, making learning more accessible and enjoyable for your students. Download now!

Screenshots

CELT4 screens

TheTeacherAi3 screens

Verdict

The call

The clearest difference is in-app purchases: TheTeacherAi at none against CELT's 10. TheTeacherAi also leads on update cadence (monthly vs every 6 months) and iOS requirement (12.0 vs 15.5). On price, ads 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. CELT sells 10 one-off in-app purchases. TheTeacherAi asks for nothing beyond the download.

UpkeepUpdate frequency

CELT ships an update every 6 months, TheTeacherAi monthly. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 3 level

CELT versus TheTeacherAi: the parameters behind the verdict, then further details
Parameter	CELT	TheTeacherAi
Price	Free	Free
Update frequency	Every 6 months	Monthly — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.5	12.0 — better
Further details — not scored
Size	146 MB	104 MB
Age rating	4+	17+
Developer	Online Learning	Fabdata

In-app purchases

10 purchases

CELT

One-time10

Package - 5.69$5.69
Package - 5.89$5.89
Package - 5.9$5.90

Show 7 more

Package - 6.19$6.19
Package - 6.29$6.29
Package - 6.39$6.39
Package - 6.49$6.49
Package - 6.59$6.59
Package - 6.69$6.69
Package - 6.79$6.79

None

TheTeacherAi

No in-app purchases

Questions

Is CELT free?

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

Is TheTeacherAi free?

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

Do CELT or TheTeacherAi have ads?

Neither CELT nor TheTeacherAi shows ads.

Which is updated more often, CELT or TheTeacherAi?

CELT ships an update every 6 months, and TheTeacherAi monthly. Most recently, CELT was updated on October 5, 2026 and TheTeacherAi on September 27, 2026.