# Sub Buddy vs Learn CSS

The clearest difference is review sentiment: Sub Buddy at 100% against Learn CSS's 0%. Sub Buddy also leads on rating (5.0 vs 1.0) and ratings volume (10 vs 1). Learn CSS's advantage is price (Free vs $5.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

Learn CSS 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 1.0. 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. Written reviews point the same way: 100% of Sub Buddy's written reviews are positive against 0% of Learn CSS's.

Sub Buddy ships an update every 12 months, Learn CSS every 6 months. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sub Buddy | Learn CSS |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sub-buddy/id1470196349/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/learn-css-onepercent/id1561357006/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 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 Software (OPC) Private Limited](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 CSS

[App page](https://appshunter.io/ios/app/learn-css-onepercent/id1561357006)

Master CSS with this interactive tutorial, covering everything from basic to advanced concepts. It offers comprehensive lessons, interview practice, quizzes, and visual examples for a distraction-free learning experience.

**Highlights:** Comprehensive CSS lessons, Interview question practice, Multiple difficulty quizzes, Interactive demo programs, Clear syntax explanations, Ad-free learning

**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 CSS free?

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

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

Sub Buddy is rated higher. Sub Buddy averages 5.0 out of 5 from 10 ratings, while Learn CSS averages 1.0 from 1 ratings.

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

Neither Sub Buddy nor Learn CSS shows ads.

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

Sub Buddy ships an update every 12 months, and Learn CSS every 6 months. Most recently, Sub Buddy was updated on October 12, 2026 and Learn CSS on October 18, 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.*