# Atomic Spectra vs Central Valley VEL

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.

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.

## The numbers

| Metric | Atomic Spectra | Central Valley VEL |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomic-spectra/id6444901660/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/central-valley-vel/id6450464879/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | — |
| Monetization | Paid | **Free** |
| Size | 7 MB | 248 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | **iPhone, iPad, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jim Haungs](https://appshunter.io/developer/1498282259) | [California State University, Bakersfield](https://appshunter.io/developer/1326967140) |

## What reviewers say

### Atomic Spectra

[App page](https://appshunter.io/ios/app/atomic-spectra/id6444901660)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### Central Valley VEL

[App page](https://appshunter.io/ios/app/central-valley-vel/id6450464879)

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.

**Highlights:** Augmented reality visualization, Explore EV battery internals, Visualize electron flow, Manipulate molecular structures, Interactive 3D models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Spectra free?

Atomic Spectra costs $1.99, with no in-app purchases.

### Is Central Valley VEL free?

Central Valley VEL is free to download, with no in-app purchases.

### Which has better reviews, Atomic Spectra or Central Valley VEL?

Atomic Spectra is rated higher. Atomic Spectra averages 5.0 out of 5 from 1 ratings, while Central Valley VEL averages 3.0 from 2 ratings.

### Do Atomic Spectra or Central Valley VEL have ads?

Neither Atomic Spectra nor Central Valley VEL shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*