Best Scheme Apps

194+ iOS apps curated and reviewed

4.9 avg rating
19 free apps
Updated July 2026

Every iPhone needs a few good scheme apps. We benchmark 194+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Scheme Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1LispPad GoLispPad GoFree4.9★ (37)NoNoSep 2026
2Scheme LockerScheme LockerFree5.0★ (1)NoNoMay 2026
3Scheme LogScheme LogFree5.0★ (1)YesNoSep 2026
4Apps Launcher with URL SchemeApps Launcher with URL SchemeFree—YesNoAug 2026
5Genesis Medical SchemeGenesis Medical SchemeFree—NoNoMay 2026
6scheme appscheme appFree—NoNoSep 2026
7irodori -color schemes-irodori -color schemes-Free5.0★ (5)NoYesJul 2026
8LKS Savings SchemeLKS Savings SchemeFree—NoNoMay 2026

Top Picks for Scheme

LispPad Go#1

LispPad Go by Matthias Zenger

Write Scheme code on the go
4.9(37 ratings)
Free
LispPad Go screenshot 1
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LispPad Go screenshot 6

This app is a lightweight development environment for writing and running Scheme code on iOS. It features a Scheme interpreter, a console for interaction, and a text editor with syntax highlighting and smart indentation. It supports R7RS standard Scheme with a wide range of libraries, including iOS-specific ones.

5.0(1 ratings)
Free
Scheme Locker screenshot 1
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This utility app allows users to open lockers at various locations. It is currently functional for lockers created by the development team, such as those found in science and technology parks containing educational materials.

More Scheme apps to explore

FAQ about Scheme

What are the best scheme apps for iPhone?
LispPad Go tops our scheme apps ranking as of July 2026, with a 4.9-star average from 37 App Store ratings, and it's free to download.
Yes — 19 of the top scheme apps we rank are free to download, including LispPad Go and Scheme Locker.
LispPad Go has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 194+ scheme apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
LispPad Go is a simple and lightweight integrated development environment (IDE) designed for developing and running Scheme code directly on iOS devices. It provides all the necessary tools for writing, executing, and interacting with Scheme programs.
LispPad Go supports Scheme based on the R7RS standard. It includes R7RS-compliant libraries and also offers features like hygienic macros, first-class environments, call/cc, and support for a full numerical tower.

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