# Sub Buddy vs Learn C#

The clearest difference is price: Learn C# at Free against Sub Buddy's $5.99. Learn C# also leads on update cadence (every 3 months vs every 12 months). Sub Buddy's advantage is rating (5.0 vs 2.0) and ratings volume (10 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Learn C# is free to download; Sub Buddy costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sub Buddy holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Sub Buddy has 10 ratings behind it against 1, so its average is the more settled of the two.

Sub Buddy ships an update every 12 months, Learn C# every 3 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Sub Buddy | Learn C# |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sub-buddy/id1470196349/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/learn-c-onepercent/id1539369582/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1.2 GB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zoe Summers](https://appshunter.io/developer/1468119556) | [OnePercent](https://appshunter.io/developer/1536020418) |

## What reviewers say

### Sub Buddy

[App page](https://appshunter.io/ios/app/sub-buddy/id1470196349)

This app provides a realistic digital replica of a German U-boat Attack Disc, functioning as a circular slide rule for complex torpedo calculations in WW2 submarine games. It includes 27 training videos and a visual Angle on Bow helper, with customizable controls for left and right-handed users.

**Highlights:** Realistic U-boat Attack Disc simulation, Circular slide rule for torpedo solutions, 27 bundled training videos, Visual Angle on Bow helper, Adjustable time of day and weather, Left and right-handed modes, Customizable menu system

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

**In-app purchases:** none


### Learn C#

[App page](https://appshunter.io/ios/app/learn-c-onepercent/id1539369582)

Learn C# programming from beginner to advanced concepts with interactive lessons, quizzes, and demo programs. This ad-free tutorial covers data structures and interview preparation, making it suitable for hobbyists, students, and career builders.

**Highlights:** Comprehensive C# lessons, Interview preparation questions, Interactive quizzes, Demo programs for visualization, Clear syntax explanations, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sub Buddy free?

Sub Buddy costs $5.99, with no in-app purchases.

### Is Learn C# free?

Learn C# is free to download, with no in-app purchases.

### Which has better reviews, Sub Buddy or Learn C#?

Sub Buddy is rated higher. Sub Buddy averages 5.0 out of 5 from 10 ratings, while Learn C# averages 2.0 from 1 ratings.

### Do Sub Buddy or Learn C# have ads?

Neither Sub Buddy nor Learn C# shows ads.

### Which is updated more often, Sub Buddy or Learn C#?

Sub Buddy ships an update every 12 months, and Learn C# every 3 months. Most recently, Sub Buddy was updated on October 12, 2026 and Learn C# on October 1, 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.*