# python3$ vs UI Tracer

The clearest difference is in-app purchases: python3$ at none against UI Tracer's 2. python3$ also leads on chart position (#67 vs unranked) and ratings volume (23 vs 4). UI Tracer's advantage is update cadence (every 2 days vs weekly) and rating (5.0 vs 4.7). On price and ads there is nothing between them.

python3$ costs $2.99 and UI Tracer $2.99 up front. UI Tracer sells 2 one-off in-app purchases. python3$ asks for nothing beyond the download.

UI Tracer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: python3$ has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 91% of python3$'s written reviews are positive against 100% of UI Tracer's.

python3$ ships an update weekly, UI Tracer every 2 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | python3$ | UI Tracer |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/python3/id585637688/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ui-tracer/id1644874973/reviews)** |
| Number of ratings | **23** | 4 |
| Positive reviews | 91.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | **Free** | Paid |
| Best chart rank | **#67** | — |
| Size | 588 MB | 20 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Leonid Liadveikin](https://appshunter.io/developer/1644874975) |

## What reviewers say

### python3$

[App page](https://appshunter.io/ios/app/python3/id585637688)

**Currently charting:** #67 Top Paid · Developer Tools (US App Store)

This application serves as a comprehensive Python 3.13 learning and development environment. It offers local code execution, debugging tools, PyPI library access, and convenient file sharing capabilities. Customize your coding experience with personalized themes and settings.

**Highlights:** Local Python 3.13 execution, Breakpoint debugging, PyPI library downloads, Git integration, LAN/Bluetooth file transfer, Customizable interface, QR code generation and scanning

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 🚀 Good performance and functionality
- 💡 Wide range of practice items
- 💻 Powerful Python environment on mobile
- 💰 Good value for money

**What reviewers complain about**

- 🐛 UI can be crowded
- ⚠️ Older Python versions used
- 💰 Separate purchases for different versions
- ❓ Some built-in methods not auto-detected
- 🐛 Quotation mark issues

**Reported bugs**

- Quotation mark not working
- Module changes not recognized
- My Code view gets stuck in subdirectory
- Tabs converted to spaces
- Auto-indent buggy

**Requested features**

- Add Tkinter library
- Add GPIO library for Raspberry Pi
- Add iTunes file sharing support
- Network functionality (read web page)
- Simple graphics module


### UI Tracer

[App page](https://appshunter.io/ios/app/ui-tracer/id1644874973)

This app allows developers to preview various SwiftUI view styles without recompiling code. It offers comparisons across multiple Apple platforms, including iOS, iPadOS, watchOS, tvOS, and macOS, streamlining the design process.

**Highlights:** Preview SwiftUI view styles, Compare across iOS, iPadOS, watchOS, tvOS, macOS, No recompilation needed, Cross-platform code compatibility, Extensible view library

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Donation | $4.99 | one-time |


## Frequently asked questions

### Is python3$ free?

python3$ costs $2.99, with no in-app purchases.

### Is UI Tracer free?

UI Tracer costs $2.99, and also offers in-app purchases.

### Which has better reviews, python3$ or UI Tracer?

UI Tracer is rated higher. python3$ averages 4.7 out of 5 from 23 ratings, while UI Tracer averages 5.0 from 4 ratings.

### Do python3$ or UI Tracer have ads?

Neither python3$ nor UI Tracer shows ads.

### Which is updated more often, python3$ or UI Tracer?

python3$ ships an update weekly, and UI Tracer every 2 days. Most recently, python3$ was updated on November 1, 2026 and UI Tracer 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.*