My Lisp vs SeeLess
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My Lisp
A comprehensive Lisp programming environment for iOS and macOS devices. It offers a local interpreter, editor, and extensive libraries for learning and developing Lisp programs, including advanced mathematical functions and symbolic derivation.
- Local Lisp interpreter
- Integrated editor
- Core and mathematical operators
- Advanced mathematics functions
- Symbolic derivation module
- Library and example files
- User and reference manuals
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My Lisp is a complete and universal Lisp environment running directly on the iPhone, iPad, and Mac. This interpreter is true to the original John McCarthy Lisp implementation with the fundamental 7 operators quote, atom, eq, car, cdr, cons, cond, along with lambda and label. My Lisp also contains core and mathematical operators borrowed from other Lisp dialects (Le Lisp, Lisp 1.5, MacLisp, Common Lisp and Scheme to name a few) to make it easy to learn, program, and most importantly, enjoy Lisp. It also features built-in functions for advanced mathematics, including complex numbers and numerical analysis (roots and zeros finder, integral approximation). The complete description of the fundamental, core, and built-in functions is available using a set of library functions completely written in My Lisp. My Lisp offers an interpreter and an editor, all working on the iPhone, iPad, and Mac, and most importantly, without requiring any server connection, that is, the interpreter is executing locally on the iPhone, iPad or Mac My Lisp is installed on. Library and example files contain the source code of classical functions and problems solved by My Lisp and may be used as reference to learn Lisp and develop other programs. They include classical puzzles (hanoi and n-queens), basic mathematical functions (gcd, lcm, factorial, fibonacci, prime?), and the historical apply, mapcar and maplist functions. The Lambda Calculus example file contains various functions related to Lambda Calculus and Combinators, with alpha-conversion, beta-reduction, de Bruijn notations, etc. As a special note, the example file Symbolic Derivation contains a complete yet extensible symbolic derivation module allowing to compute the formal derivation of virtually any symbolic function expressed as a Lisp expression. A user manual and a reference manual are available from within the application but also on My Lisp web site (https://lisp.lsrodier.net) and in Apple Books. The complete source code of the library and example files is part of My Lisp. Last but not least, this overview couldn’t end without a sample definition of the notorious REPL function: (define (REPL eval_me) (REPL (println (eval (read)))))
SeeLess
This app provides a C Integrated Development Environment (IDE) for iOS devices. It allows users to write and compile C code using the clang compiler, generating LLVM IR for execution. Manage your coding projects with an integrated file browser.
- C IDE for iOS
- Clang compiler
- LLVM IR generation
- File browser for project management
- Link multiple objects into one executable
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SeeLess is a C IDE for iOS. SeeLess allows you to code commands with C and install them in LibTerm. The compiler used to compile programs is clang. Clang generates bitcode with -S -emit-llvm flags that can be executed with lli command. Also contains llvm-link so multiple objects can be linked into one "executable". This app consists in a file browser for managing projects. Projects are packages with C sources and configuration files.
Screenshots
Verdict
The clearest difference is rating: SeeLess at 4.5 against My Lisp's 4.1. SeeLess also leads on review sentiment (80% vs 69%) and price ($2.99 vs $3.99). On ratings volume, update cadence, ads and in-app purchases 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
My Lisp costs $3.99 and SeeLess $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SeeLess holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 69% of My Lisp's written reviews are positive against 80% of SeeLess's.
My Lisp ships an update every 6 weeks, SeeLess every 2 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.
| Parameter | My Lisp | SeeLess |
|---|---|---|
| Price | $3.99 | $2.99 — better |
| Rating | 4.1 (17 ratings) | 4.5 (10 ratings) — better |
| Positive reviews | 68.8% of reviews | 80.0% of reviews — better |
| Number of ratings | 17 — better | 10 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #53 — better | #102 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 371 MB |
| Age rating | 4+ | 4+ |
| Developer | Laurent Rodier | Develobile S.p.A. |
Customer experience
My Lisp
SeeLess
In-app purchases
My Lisp
No in-app purchases
SeeLess
No in-app purchases









