Useful Periodic Table Lite vs TriGoTriFree
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 element properties and scientific unit conversions. Includes links to Wikipedia for deeper learning and a quiz to test your knowledge. Ideal for students and professionals in science and engineering.
- Comprehensive element properties
- Scientific unit converter
- Wikipedia links for further research
- Element quiz for students
- Easy-to-use interface
Read full descriptionHide full description
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.
TriGoTriFree
This educational app helps solve triangle problems. It offers a free version for right-angled triangles and a full version for general triangles. Users can easily select different triangle cases to solve.
- Solve right-angled triangles
- Select various triangle cases
- Educational tool for geometry
- Free functionality for basic cases
- Upgrade available for general triangles
Read full descriptionHide full description
Free version of TriGoTri for the solution of triangles. Scroll with one finger the various cases on the blackboard to choose the one that you have to solve. The free version is fully functional for right-angled triangles; to solve general triangles you need to download the full version.
Screenshots
Verdict
The clearest difference is update cadence: TriGoTriFree at every 5 months against Useful Periodic Table Lite's every 18 months. TriGoTriFree also leads on iOS requirement (7.0 vs 16.0). On price, ads, in-app purchases and monetization model 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 18 months, TriGoTriFree every 5 months. Both last shipped on November 1, 2026.
| Parameter | Useful Periodic Table Lite | TriGoTriFree |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 18 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 7.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Mind Trends LLC | Giovanni Bellu' |
Customer experience
Useful Periodic Table Lite
TriGoTriFree
In-app purchases
Useful Periodic Table Lite
No in-app purchases
TriGoTriFree
No in-app purchases
Questions
Is Useful Periodic Table Lite free?
Is TriGoTriFree free?
Do Useful Periodic Table Lite or TriGoTriFree have ads?
Which is updated more often, Useful Periodic Table Lite or TriGoTriFree?
Other comparisons















