Atomic Spectra vs Central Valley VEL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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.
Central Valley VEL
Explore the internal components of electric vehicle batteries and visualize complex molecular structures in augmented reality. Interact with 3D models to understand electron flow and chemical arrangements.
- Augmented reality visualization
- Explore EV battery internals
- Visualize electron flow
- Manipulate molecular structures
- Interactive 3D models
Read full descriptionHide full description
View the inner workings of an electric vehicle (EV) battery and the structure of molecules using augmented reality technology! - Manipulate and explore molecules from any angle, making it easier than ever to grasp complex chemical structures. - See the inside of EV batteries and watch how electrons flow through the battery while charging, moving uphill, and more.
Screenshots
Verdict
The clearest difference is price: Central Valley VEL at Free against Atomic Spectra's $1.99. Central Valley VEL also leads on iOS requirement (11.0 vs 26.0). Atomic Spectra's advantage is rating (5.0 vs 3.0). On ratings volume, 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
Central Valley VEL is free to download; Atomic Spectra costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Atomic Spectra holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
| Parameter | Atomic Spectra | Central Valley VEL |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 19 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 248 MB |
| Age rating | 4+ | 4+ |
| Developer | Jim Haungs | California State University, Bakersfield |
Customer experience
Atomic Spectra
Central Valley VEL
In-app purchases
Atomic Spectra
No in-app purchases
Central Valley VEL
No in-app purchases
Questions
Is Atomic Spectra free?
Is Central Valley VEL free?
Which has better reviews, Atomic Spectra or Central Valley VEL?
Do Atomic Spectra or Central Valley VEL have ads?
Other comparisons
