Geometry vs Atomic Spectra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geometry
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The GeometrySolver is not just an app, its a canvas and a book too. This app not only solves the geometric shapes, it also teaches you the formulas related to each geometric shape as well as it draws the geometric shapes when solved. This app is designed by an engineer to the perfection with every details in mind. It calculates side, height, diagonals, apothem, diameter, radius, perimeter, circumference, area, lateral area, surface area, volume. Some shapes have a dedicated interactive tab to play around and draw those shapes of different dimensions. Each geometric shape has its corresponding formulas written beautifully in mathematical way. This is a perfect app for your kids to learn geometry interactively. Draw, solve, share the geometric shapes. Drawn/solved shapes are displayed with their properties (numeric values). The Solve tab of angle is dynamic and interactive. You can touch/drag on the surface to draw an angle or use the slider to draw an angle. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. There are so many common geometric shapes to learn from like square, circle, cylinder, cone, cuboid, pyramid, sphere and more There is also a Study page to help you with learning formulae related to many common geometric shapes. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!
Atomic Spectra
This reference app provides detailed information on strong line atomic emission spectra within the visible range. Users can search for elements by name, symbol, or atomic number and inspect individual spectra lines. It offers interactive features to visualize and navigate spectral data.
- Visible range spectra (380-740nm)
- Search by element name, symbol, or atomic number
- Sort by name, symbol, or spectra line count
- Inspect individual spectra lines
- Interactive spectrum visualization
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Reference app for Strong Line Atomic Emission Spectra in the visible range of 380-740nm. Can search by element name, symbol, or atomic number. Sort by name, symbol, or count of spectra lines. Drill down to an element and inspect the individual spectra lines. Tap on the line to show it in the spectrum; tap on the spectrum to scroll to that line.
Screenshots
Verdict
The clearest difference is update cadence: Geometry at monthly against Atomic Spectra's every 19 months. Geometry also leads on iOS requirement (15.1 vs 26.0). On price, ads, 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
Geometry costs $1.99 and Atomic Spectra $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Geometry ships an update monthly, Atomic Spectra every 19 months. The most recent releases landed on August 16, 2026 and August 31, 2026 respectively.
| Parameter | Geometry | Atomic Spectra |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly — better | Every 19 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 31 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Om Prakash Chapagain | Jim Haungs |
In-app purchases
Geometry
No in-app purchases
Atomic Spectra
No in-app purchases
Questions
Is Geometry free?
Is Atomic Spectra free?
Do Geometry or Atomic Spectra have ads?
Which is updated more often, Geometry or Atomic Spectra?
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