Reviews of Merge Object Viewer

By: Merge EDU

List of user reviews and ratings for Merge Object Viewer

Total ratings

3.38 (Rating count: 1,461)

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Review summary

User feedback is mixed. Many praise the app for its educational value and 3D viewing capabilities, but a sizable portion report slow performance, crashes, onboarding friction, and a subscription-based model seen as overpriced. Compatibility varies by device, with some devices overheating or failing to load. Visualizations can be blank and merge cube features unreliable. Overall sentiment trends negative despite clear educational potential.

Pros

Educational value and learning-focused content.
3D object viewer and visualizations for anatomy and objects.
Engaging and enjoyable to use when it loads.

Cons

Severe performance issues and slow loading / lagging.
Stability problems: crashes on launch across devices after updates.
Onboarding friction and subscription-related problems (sign-up timeouts, activation codes, and overpriced recurring subscriptions).
Device compatibility issues (not loading on certain tablets/phones; overheating on some devices).
Visualization/merge features sometimes do not work or are blank, and merge cube features lack consistent instructions.

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User Reviews

Recent rating average: 1.40

All time rating average: 3.38

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55% (36)

Date	Author	Comment
2026-04-26	Ka*****	this app is a money grab for professionals and the wealthy and not designed for regular earning parents who are trying to develop their children at home. I was unable to gain access because everything required more money after I already purchased the cube with a code that stated I had 3 months subscription. Monsters!!!
this app is a money grab for professionals and the wealthy and not designed for regular earning parents who are trying to develop their children at home. I was unable to gain access because everything required more money after I already purchased the cube with a code that stated I had 3 months subscription. Monsters!!!
2026-03-19	Em*****	objects took a long time to load and even after they did they would come in and out. unfortunate.
objects took a long time to load and even after they did they would come in and out. unfortunate.
2025-12-23	St*****	can't sign up at all - times out each attempt.
can't sign up at all - times out each attempt.
2025-10-19	Te*****	Some of the visualisations no longer work e.g. the heart is just completely blank as is the human organs. Disappointing. Now using "Assemblr Edu" instead - so much better.
Some of the visualisations no longer work e.g. the heart is just completely blank as is the human organs. Disappointing. Now using "Assemblr Edu" instead - so much better.
2025-10-08	me*****	for better understanding I personality use. of knowledge
for better understanding I personality use. of knowledge
2025-09-26	Gr*****	Very old layout without upgrades for ages, so buggy makes it unusable for pro applications.
Very old layout without upgrades for ages, so buggy makes it unusable for pro applications.
2025-08-07	Ja*****	too slow
too slow
2025-07-12	Al*****	if i had the option i would give minus stars.
if i had the option i would give minus stars.
2025-06-24	Sh*****	none of their merge stuff works
none of their merge stuff works
2025-05-21	Oc*****	very slow and clunky
very slow and clunky