Comparison

IonSharp vs Edsger

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

IonSharp4 screens
Edsger4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. IonSharp sells 1 one-off in-app purchase. Edsger asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
IonSharp versus Edsger: the parameters behind the verdict, then further details
ParameterIonSharpEdsger
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 6 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size179 MB3.3 GB
Age rating4+12+
Developer志远 刘GARRETT MICHAEL WOODSIDE

Customer experience

IonSharp

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Edsger

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

IonSharp

One-time1
  • IonSharp Pro Lifetime$3.99
None

Edsger

No in-app purchases

Questions

Is IonSharp free?
IonSharp is free to download, with in-app purchases available.
Is Edsger free?
Edsger is free to download, with no in-app purchases.
Do IonSharp or Edsger have ads?
Neither IonSharp nor Edsger shows ads.
Which is updated more often, IonSharp or Edsger?
IonSharp ships an update every 6 days, and Edsger every 3 weeks. Most recently, IonSharp was updated on October 25, 2026 and Edsger on October 26, 2026.

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