Useful Periodic Table Lite vs Element OTG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Useful Periodic Table Lite
Access a comprehensive periodic table with all elements and their properties. Includes a unit converter, Wikipedia links for detailed information, and a quiz to test your knowledge. Ideal for students and professionals in science and engineering.
- Complete periodic table of elements
- Detailed element properties
- Integrated unit converter
- Links to Wikipedia for further research
- Elements quiz for students
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A periodic table can be useful for those in physics, chemistry, or any of the sciences and engineering disciplines. This is a periodic table of the elements that has all the elements and most of their respective properties collected and stored in one easy to use and simple to find location. Contained within this periodic table is a unit converter that will convert some of the scientific dimensions. Also, containing links to wikipedia for further literature on that element that you wish to know. Great for students because of the elements quiz contained within.
Element OTG
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• Complete Periodic Table - All 118 elements with detailed information • Interactive Learning Center - Chemistry quizzes and symbol practice • Smart Search & Filter - Find elements by name, symbol, or properties • Dark Mode Support - Choose light, dark, or follow system theme • Responsive Design - Perfect for phones, tablets, and desktops
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Verdict
The clearest difference is ads: Useful Periodic Table Lite at none against Element OTG's shown. Element OTG's advantage is update cadence (monthly vs every 25 months) and iOS requirement (13.0 vs 16.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Useful Periodic Table Lite ships an update every 25 months, Element OTG monthly. The most recent releases landed on October 2, 2026 and October 20, 2026 respectively.
| Parameter | Useful Periodic Table Lite | Element OTG |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 25 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Mind Trends LLC | Japality Limited |
In-app purchases
Useful Periodic Table Lite
No in-app purchases
Element OTG
No in-app purchases
Questions
Is Useful Periodic Table Lite free?
Is Element OTG free?
Do Useful Periodic Table Lite or Element OTG have ads?
Which is updated more often, Useful Periodic Table Lite or Element OTG?
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