# Solubility Study vs Atomic Spectra

The clearest difference is update cadence: Atomic Spectra at every 19 months against Solubility Study's every 45 months. Solubility Study's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Solubility Study costs $1.99 and Atomic Spectra $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solubility Study ships an update every 45 months, Atomic Spectra every 19 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Solubility Study | Atomic Spectra |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomic-spectra/id6444901660/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 19 months** |
| Monetization | — | Paid |
| Size | 75 MB | 7 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Jim Haungs](https://appshunter.io/developer/1498282259) |

## What reviewers say

### Solubility Study

[App page](https://appshunter.io/ios/app/solubility-study-edutech-era/id1617442186)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Solubility Study free?

Solubility Study costs $1.99, with no in-app purchases.

### Is Atomic Spectra free?

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

### Do Solubility Study or Atomic Spectra have ads?

Neither Solubility Study nor Atomic Spectra shows ads.

### Which is updated more often, Solubility Study or Atomic Spectra?

Solubility Study ships an update every 45 months, and Atomic Spectra every 19 months. Most recently, Solubility Study was updated on October 6, 2026 and Atomic Spectra on September 30, 2026.

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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.*