# Formulae Pro vs Atomic Spectra

The clearest difference is in-app purchases: Atomic Spectra at none against Formulae Pro's 3. Atomic Spectra also leads on ads (none vs shown). Formulae Pro's advantage is update cadence (every 4 days vs every 19 months) and iOS requirement (15.0 vs 26.0). On price, review sentiment and device support there is nothing between them.

Formulae Pro costs $1.99 and Atomic Spectra $1.99 up front. Formulae Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Atomic Spectra asks for nothing beyond the download.

Formulae Pro ships an update every 4 days, Atomic Spectra every 19 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Formulae Pro | 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 | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 19 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 46 MB | 7 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [CAPDESIS S.A. DE C.V.](https://appshunter.io/developer/1639711954) | [Jim Haungs](https://appshunter.io/developer/1498282259) |

## What reviewers say

### Formulae Pro

[App page](https://appshunter.io/ios/app/formulae-pro/id1666691016)

This educational app provides students and teachers with a comprehensive collection of solved formulas and exercises. It uses explanatory images and videos to enhance understanding and offers search functionality for specific formulas. Improve your academic skills effectively and simply.

**Highlights:** Solved formulas and exercises, Explanatory images and videos, Search for specific formulas, Concept comprehension tools, Academic performance improvement

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Formulae Pro Semanal | $1.99 | per 7 days |
| Formulae Pro Mensual | $5.99 | per month |
| Formulae Pro Anual | $59.99 | per year |


### 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 Formulae Pro free?

Formulae Pro costs $1.99, and also offers in-app purchases.

### Is Atomic Spectra free?

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

### Do Formulae Pro or Atomic Spectra have ads?

Formulae Pro shows ads; Atomic Spectra does not.

### Which is updated more often, Formulae Pro or Atomic Spectra?

Formulae Pro ships an update every 4 days, and Atomic Spectra every 19 months. Most recently, Formulae Pro was updated on November 3, 2026 and Atomic Spectra on November 3, 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.*