IonSharp vs Edsger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IonSharp
A mobile integrated development environment for writing, building, and running C# code on iOS devices. It supports .NET 10 and allows for the creation and management of console, ASP.NET Core web, and web API projects, including NuGet package management.
- Write, build, and run C# code
- Supports .NET 10
- Create .NET Console projects
- Build ASP.NET Core projects
- Manage NuGet packages
- Focused code editing environment
Read full descriptionHide full description
IonSharp is a lightweight .NET and C# IDE for iPhone and iPad. Write, build, and run C# code directly on your device with .NET 10. Features: • Create and run .NET Console projects • Build ASP.NET Core Web and Web API projects • Install and manage NuGet packages • Edit C# code with a focused development environment • Open and manage your projects on the go IonSharp is built for developers who want a simple and practical way to work with C# and .NET on iOS.
Edsger
A mobile coding environment for writing and running code in multiple languages. Features an AI tutor that can explain code, fix errors, and assist with problems, all while keeping your data private.
- On-device code execution
- AI-powered code explanation and debugging
- Support for Python, C, JavaScript, and Lua
- Offline functionality
- Private code and AI interactions
- Optional cloud AI features
Read full descriptionHide full description
Edsger is a coding workspace for iPhone and iPad. Write C, Python, JavaScript or Lua, press Run, and your program runs right on your device. No account, no ads, and no network needed to write or run code. Ask Edsger, the built-in AI tutor, to explain code, fix an error or walk through a math or science problem. The free tutor and coding agent run entirely on your device, so your code and questions stay private. FOUR LANGUAGES, ON DEVICE • C with PicoC, a small interpreter • Python 3.14 with the standard library • JavaScript with JavaScriptCore • Lua 5.5 Each language has its own projects, syntax highlighting, console input and Stop. AI THAT HELPS YOU LEARN • Chat: ask questions, attach documents, and get step-by-step math • Agent IDE: describe a change and the agent reads, edits and runs files in your project, with restore points • On-device models are free and work offline EDSGER PRO (OPTIONAL SUBSCRIPTION) • Dijkstra Super Fast 1.0, a faster cloud model for Chat and the Agent IDE, with a monthly AI allowance • Photos in Chat with Dijkstra • Bring your own OpenAI or Claude API key • Push projects to your GitHub account • A custom Chat note and extra colors Pro Plus includes three times the Pro allowance. Cloud AI only runs after you allow sharing, and you can turn it off anytime. HONEST LIMITS C runs in PicoC, not GCC or Clang, so some standard library features are missing. Python, JavaScript and Lua run without package installs, network access or GUIs. AI can make mistakes; review its code and don't rely on it for medical, legal or financial advice. Subscriptions renew monthly unless canceled at least 24 hours before the period ends. Manage them in your Apple Account settings. Terms: https://garrettmichae1.github.io/lilc/terms.html Privacy: https://garrettmichae1.github.io/lilc/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Edsger at none against IonSharp's 1. IonSharp's advantage is update cadence (every 6 days vs every 3 weeks). On price, review sentiment, ads and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. IonSharp sells 1 one-off in-app purchase. Edsger asks for nothing beyond the download.
IonSharp ships an update every 6 days, Edsger every 3 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.
| Parameter | IonSharp | Edsger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 179 MB | 3.3 GB |
| Age rating | 4+ | 12+ |
| Developer | 志远 刘 | GARRETT MICHAEL WOODSIDE |
Customer experience
IonSharp
Edsger
In-app purchases
IonSharp
- IonSharp Pro Lifetime$3.99
Edsger
No in-app purchases








