# Computer Science+ vs Caliber

The clearest difference is ratings volume: Computer Science+ at 3 against Caliber's 1. On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Computer Science+ sells 6 in-app purchases, starting at $7.99 per 7 days and Caliber sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Computer Science+ against 5.0 for Caliber. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Computer Science+ | Caliber |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/computer-science-plus/id6753169675/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/caliber-firearm-safety/id6784017341/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | Freemium |
| Size | 21 MB | 12 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Norbrook Media LLC](https://appshunter.io/developer/6771996879) |

## What reviewers say

### Computer Science+

[App page](https://appshunter.io/ios/app/computer-science-plus/id6753169675)

Master computer engineering topics through engaging quizzes. This app covers a wide range of subjects from fundamentals to emerging technologies, making it ideal for students and professionals alike. Enhance your knowledge and skills in a fun, interactive way.

**Highlights:** Engaging quizzes, Covers essential topics, Boosts knowledge and confidence, Suitable for students and practitioners, Wide range of subjects, Interactive learning

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $7.99 | per 7 days |
| 1 Month | $19.99 | per month |
| 1 Year | $29.99 | per year |
| 1500 | $1.99 | one-time |
| 3500 | $2.99 | one-time |
| 9000 | $4.99 | one-time |


### Caliber

[App page](https://appshunter.io/ios/app/caliber-firearm-safety/id6784017341)

Learn firearm safety and skills through bite-sized lessons and quizzes. Track range sessions, score targets with photos, and organize your gear with maintenance reminders. This private, ad-free app helps build safe firearm ownership habits.

**Highlights:** Bite-size safety and skills lessons, Range session logging, Photo target scoring, Gear and maintenance tracking, Private, ad-free design, Progress tracking with streaks and XP

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caliber Pro (Monthly) | $4.99 | per month |
| Caliber Pro (Yearly) | $29.99 | per year |
| Caliber Pro (Lifetime) | $99.99 | one-time |


## Frequently asked questions

### Is Computer Science+ free?

Computer Science+ is free to download, with in-app purchases available.

### Is Caliber free?

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

### Which has better reviews, Computer Science+ or Caliber?

Computer Science+ and Caliber are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Computer Science+ or Caliber have ads?

Neither Computer Science+ nor Caliber 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.*