# HistoMaster UK vs Atomic Spectra

The clearest difference is review sentiment: Atomic Spectra at 100% against HistoMaster UK's 0%. Atomic Spectra also leads on in-app purchases (none vs 1). HistoMaster UK's advantage is price (Free vs $1.99) and iOS requirement (14.0 vs 26.0). On update cadence, ads and device support there is nothing between them.

HistoMaster UK is free to download; Atomic Spectra costs $1.99 up front. HistoMaster UK sells 1 one-off in-app purchase. Atomic Spectra asks for nothing beyond the download.

HistoMaster UK ships an update every 38 months, Atomic Spectra every 19 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HistoMaster UK | Atomic Spectra |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomic-spectra/id6444901660/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 19 months** |
| Monetization | **Free** | Paid |
| Size | 38 MB | 7 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPad, iPod, Apple TV | iPhone, iPad, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Minard](https://appshunter.io/developer/285597460) | [Jim Haungs](https://appshunter.io/developer/1498282259) |

## What reviewers say

### HistoMaster UK

[App page](https://appshunter.io/ios/app/histomaster-uk/id1027506048)

Explore over 22 centuries of United Kingdom history through interactive timelines, quizzes, and challenges. Learn about monarchs, prime ministers, wars, and key events in a fun, game-like format. Track your progress and compare with family members.

**Highlights:** 22+ centuries of UK history, Interactive timelines, Quizzes and challenges, Adventure mode with Queen Elizabeth II, Learning mode with interactive elements, Challenge mode for year guessing, Multi-profile support, iCloud saving for cross-device play

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock full version | $0.99 | one-time |


### 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 HistoMaster UK free?

HistoMaster UK is free to download, with in-app purchases available.

### Is Atomic Spectra free?

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

### Do HistoMaster UK or Atomic Spectra have ads?

Neither HistoMaster UK nor Atomic Spectra shows ads.

### Which is updated more often, HistoMaster UK or Atomic Spectra?

HistoMaster UK ships an update every 38 months, and Atomic Spectra every 19 months. Most recently, HistoMaster UK was updated on October 9, 2026 and Atomic Spectra on October 16, 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.*