
Wallpaper Engine
Lively Wallpaper
ScreenPlay
Wallspace.app
Solace
Vivid Walls
Variety Wallpaper Changer
Live 4K wallpapers for your Mac. Fast, native, and fully customizable.

Mockaroo
Smock-it
Replica
Data Creator
Generate Data
MockDataGenerator
Generate realistic Salesforce test data with proper relationships and record types in minutes! Direct upload to sandboxes—no CSV wrangling, no production data risks.

Which is more popular?
Based on our record, Wallper seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | wallper.app | universaldatagenerator.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the Czech Republic · 1 - 9 employees · 2025 | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Wallper is a native macOS app for setting high-quality 4K animated wallpapers. Built for performance and simplicity, it runs entirely locally with no accounts, no telemetry, and no background services. Key features: • 4000+ curated animated wallpapers • Support for multi-monitor setups •...
Universal Data Generator creates realistic test data directly in your Salesforce sandbox. Connect via OAuth, select objects, and generate records with proper parent-child relationships - no CSV exports or Data Loader required. Easy! Fast! Done! Key features: - Salesforce integration via OAuth 2.0...
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
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Overall verdict
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Universal Data Generator
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Wallper and Universal Data Generator.
Wallper's answer
Wallper combines beautiful live wallpapers with native macOS performance. No clunky wrappers, no subscriptions. It just works smoothly and with complete control for every screen.
Universal Data Generator's answer:
UDG is the only test data generator that combines three critical features: direct Salesforce OAuth integration, automatic parent-child record relationships, and schema awareness - all through a no-code web interface. Unlike generic tools that export CSV files, UDG reads your org's metadata (custom objects, record types, picklist values) and creates records directly in your sandbox with proper referential integrity. You select objects, set record counts, and click generate - no Data Loader, no field mapping, no CSV gymnastics.
Wallper's answer
Most alternatives are either outdated, heavy on resources, or require a login. Wallper is fast, lightweight, fully local, and respects your privacy. Plus, it’s designed specifically for macOS.
Universal Data Generator's answer:
UDG vs Mockaroo: Mockaroo is NOT Salesforce specific! It exports CSV files that you then have to load into Salesforce manually. UDG connects directly via OAuth and creates records with linked relationships - no intermediate steps.
UDG vs Snowfakery: Snowfakery requires Python, CLI knowledge, and YAML configuration files. UDG offers the same Salesforce-native benefits through a simple web UI that any admin can use.
USG vs Smock-it: UDG works instantly in any browser. Salesforce CLI, Node.js, and plugin installation needed - just sign up and connect your org. UDG reads your org's metadata automatically - just select objects and click generate. No JSON files needed. UDG automatically detects your custom objects, record types, and picklist values via OAuth. Smock-it requires manual template setup or using the promptify command. UDG automatically detects your custom objects, record types, and picklist values via OAuth. No manual template setup or using the promptify command needed.
UDG vs Data Loader: Data Loader requires you to prepare CSV files, map fields manually, and manage parent-child ID relationships yourself. UDG handles all of this automatically.
Wallper's answer
Mac users who care about aesthetics, productivity, and simplicity. Creatives, developers, designers - anyone who wants their desktop to feel alive and personal.
Universal Data Generator's answer:
Salesforce professionals who need realistic test data without the technical overhead, fast! - Salesforce Admins populating sandboxes after refresh for testing or training - Salesforce Developers who need data for feature development and QA - Consultants preparing demo environments for client presentations - QA Teams building comprehensive test scenarios with related records The common thread: people who are tired of spending hours manually creating test records or wrestling with CSV files and Data Loader.
Wallper's answer
Wallper started as a weekend project. After switching from Windows, we couldn’t believe how limited macOS was when it came to live wallpapers — there just wasn’t a clean, native solution like Wallpaper Engine. We built the first version just for ourselves, to bring our desktops to life again. But as we shared it with friends and online communities, it quickly turned into something much bigger. What began as a personal fix is now a fully featured app used by thousands of Mac users around the world.
Universal Data Generator's answer:
UDG was built by a Salesforce consultant with 10+ years of experience who lived this problem daily. Every sandbox refresh meant hours of tedious work: manually creating Accounts, then Contacts, then Opportunities - or worse, preparing CSV files, mapping fields in Data Loader, and managing ID relationships across multiple imports. Existing tools either required coding skills (Snowfakery), exported to CSV instead of loading directly (Mockaroo), or were expensive AppExchange packages. There was no simple, affordable solution that just worked. UDG was built to solve that specific pain point: connect your sandbox, pick your objects, click generate, done. What used to take hours now takes minutes.
Wallper's answer
Wallper is built entirely in Swift & SwiftUI. Everything is optimized for macOS with no Electron or cross-platform layers.
Universal Data Generator's answer:
Wallper's answer
Used by teams at indie studios and design agencies
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Recommendations tracked on public social media and blogs since March 2021.


We launched our macOS app today on Product Hunt - it’s called Wallper, a lightweight tool for setting 4K animated video wallpapers. https://wallper.app. - Source: Hacker News / over 1 year ago
Tracking Universal Data Generator since Jan 2026.
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Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
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What is it? Lively is a Free and Open-Source Software (FOSS) for animated desktop wallpapers.
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Smock-it is a powerful CLI tool designed to simplify test data generation for Salesforce. A lightweight alternative to Mokraoo, it helps developers and QAs quickly generate, manage, and customize data for seamless testing and streamlined workflows.
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Open-source and cross-platform Wallpaper, Widgets and AppDrawer app.
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Simple way for save articles, stories and web pages for reading: offline, organized and clean...
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