We analyzed 209 negative reviews to understand why users abandon the most popular Periodic Table apps — and what they want instead.
Specific, exploitable gaps in the top Periodic Table apps on the App Store.
Chronic instability, crashes constantly, and 1.7GB bloated file size from excessive video content
"The HUGE issue here is the app crashes everytime. Yes everytime."
"HUGE: 1.7GB for high resolution images that rotate that could be just as easily shown in 1-4 images each (instead of the 40+ of each object)."
Poor information hierarchy requiring three taps to access basic mass numbers, plus broken outreach links
"It takes three taps to find the mass number of an element. For those studying chemistry, this is a waste of time because you constantly need to know the mass number for many chemistry problems."
"The 'Discover More' link has a typo — it leads to a "emdroup" website. Seems that it was hastily slapped into the app and never looked at again."
Incorrect answer validation causing frustration during study sessions
"However, lately it's been telling me I'm getting answers wrong when I'm not. I was so confused when it said I got Nb Niobium incorrect."
No iPad Pro split-screen support and broken network-dependent features
"Good app with lots of info, but you cant open it side by side with other apps on the iPad Pro which can be pretty annoying at times"
"I now get a message telling me that the app needs network connectivity, but nothing ever loads. Videos are broken, too"
No specific reviews provided in dataset
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Multiple users cite $9-14 pricing as excessive for content available free elsewhere (Wikipedia, WolframAlpha). The high price creates expectations for polish and functionality that aren't met, especially given stability issues and bloated file sizes.
Users willing to pay premium prices for quality educational tools, but expect professional content, stability, and ongoing updates. The fact that users paid $9-14 despite free alternatives shows demand exists for premium experiences when executed well.
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