Comparison

Assembly Lab vs Slint Viewer

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

Head to head
About

Assembly Lab

This app provides a powerful x86 16-bit real mode assembly language simulator and debugger for mobile devices and Mac. It offers real-time disassembly, register monitoring, memory browsing, and BIOS/DOS interrupt support for learning and practicing low-level programming.

Highlights
  • x86 16-bit CPU emulation
  • NASM syntax assembler
  • Real-time disassembly
  • Breakpoint debugging
  • Register and memory monitoring
  • BIOS/DOS interrupt support
Features
Read full description

AssemblyLab is a powerful x86 16-bit real mode assembly language simulator designed for iPhone, iPad, and Mac. No complex setup required — learn and practice assembly programming anywhere, anytime. 【CORE FEATURES】 • Complete x86 16-bit CPU emulation with 60+ instructions • NASM syntax assembler — write and run instantly • Real-time disassembly view to understand machine code • Full 1MB memory space, authentic real mode simulation 【POWERFUL DEBUGGING TOOLS】 • Set breakpoints and step through code • Live register monitoring (AX/BX/CX/DX/SP/BP/SI/DI) • Visual FLAGS indicator display • Memory browser with hex view and editing • Execution log to trace every instruction 【BIOS/DOS INTERRUPT SUPPORT】 • INT 10h Video Services: cursor control, character output, screen scrolling • INT 21h DOS Services: keyboard input, string output, program termination 【LEARNING-FRIENDLY】 • Built-in example programs from Hello World to algorithms • Syntax-highlighted code editor • Console output for immediate feedback • Load and run .COM files 【CROSS-PLATFORM EXPERIENCE】 • iPhone: optimized portrait layout • iPad: split-view interface for the big screen • Mac: native support with keyboard shortcuts Perfect for: - Computer Science students - Operating Systems course learners - Reverse engineering beginners - Retro computing enthusiasts - Developers curious about low-level programming AssemblyLab is your ideal companion for exploring how computers really work at the lowest level. Download now and start your assembly journey!

About

Slint Viewer

This developer tool allows you to preview Slint user interfaces directly on your iPhone or iPad. It connects to your code editor over a local network, displaying your .slint designs live as you make changes. Some programming experience is recommended for optimal use.

Highlights
  • Live UI preview on iOS
  • Connects to code editor
  • Real-time design updates
  • Supports Slint toolkit
Features
Read full description

Preview Slint user interfaces on your iPhone or iPad with just your computer and this app. Slint Viewer is a developer tool that connects to your code editor over the local network and shows your .slint designs live on the device as you save. Slint (slint.dev) is an open-source toolkit for building native user interfaces in Rust, C++, JavaScript, and Python. Note: this app is intended for developers using Slint; some programming experience is recommended.

Screenshots

Assembly Lab4 screens
Slint Viewer1 screens

Verdict

The call

The clearest difference is price: Slint Viewer at Free against Assembly Lab's $1.99. Assembly Lab's advantage is chart position (#200 vs unranked). On review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Slint Viewer is free to download; Assembly Lab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Assembly Lab ships an update monthly, Slint Viewer every 6 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 8 level
Assembly Lab versus Slint Viewer: the parameters behind the verdict, then further details
ParameterAssembly LabSlint Viewer
Price$1.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#200 — better—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.016.6 — better
Further details — not scored
Size14 MB49 MB
Age rating4+4+
DeveloperChongqing Hyperits Network Technology Co., Ltd.SixtyFPS GmbH

Customer experience

Assembly Lab

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Slint Viewer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Assembly Lab

No in-app purchases

None

Slint Viewer

No in-app purchases

Questions

Is Assembly Lab free?
Assembly Lab costs $1.99, with no in-app purchases.
Is Slint Viewer free?
Slint Viewer is free to download, with no in-app purchases.
Do Assembly Lab or Slint Viewer have ads?
Neither Assembly Lab nor Slint Viewer shows ads.
Which is updated more often, Assembly Lab or Slint Viewer?
Assembly Lab ships an update monthly, and Slint Viewer every 6 weeks. Most recently, Assembly Lab was updated on November 9, 2026 and Slint Viewer on November 5, 2026.

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