# Specus vs A

The clearest difference is price: A at Free against Specus's $23.99. A also leads on iOS requirement (13.0 vs 15.0). Specus's advantage is in-app purchases (none vs 3) and update cadence (every 4 months vs every 8 months). On ads and device support there is nothing between them.

A is free to download; Specus costs $23.99 up front. A sells 3 in-app purchases, starting at $1.99 per month. Specus asks for nothing beyond the download.

Specus ships an update every 4 months, A every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Specus | A |
| --- | --- | --- |
| Price | $23.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/a-level-biology-app/id1613078220/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 179 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yu Tse Wu](https://appshunter.io/developer/1032252133) | [Aerion Design Labs Ltd.](https://appshunter.io/developer/1029206329) |

## What reviewers say

### Specus

[App page](https://appshunter.io/ios/app/specus/id1032252134)

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

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-level-biology-app/id1613078220)

Prepare for A-Level Biology exams with over 1000 practice questions covering all topics. Track your progress, identify areas for improvement, and take chapter-based tests and full mock quizzes to assess your readiness.

**Highlights:** 1000+ practice questions, Covers all course topics, Chapter-based tests, Pop and Mock quizzes, Progress monitoring, Topic-specific improvement tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ALevel Biology Subscription | $1.99 | per month |
| ALevel Biology Subscription | $7.99 | per 6 months |
| ALevel Biology Subscription | $9.99 | per year |


## Frequently asked questions

### Is Specus free?

Specus costs $23.99, with no in-app purchases.

### Is A free?

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

### Do Specus or A have ads?

Neither Specus nor A shows ads.

### Which is updated more often, Specus or A?

Specus ships an update every 4 months, and A every 8 months. Most recently, Specus was updated on November 1, 2026 and A 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.*