Report updated Jun 24, 2026
Random Number Generator. RNG
For users requiring quick decision-making tools, lottery simulations, or game-related randomization for tabletop play.
Random Number Generator. RNG is a well-regarded utilities app that is free with in-app purchases. With a 4.7/5 rating from 4.4K reviews, it maintains solid user satisfaction. Users particularly appreciate versatile list management and randomization options provide utility for diverse daily decision-making tasks, though aggressive ad frequency and duration significantly degrade the user experience during routine randomization tasks remains a common concern.
What is Random Number Generator. RNG?
Random Number Generator. RNG is a multi-purpose utility app for iOS and Android that provides randomization tools including dice, cards, and custom lists.
Users hire this app to resolve decision-making friction in daily tasks or tabletop games, relying on the tool for quick, statistically neutral outcomes.
Current Momentum
v3.5 · 6d ago
Maintenance- Shipped clipboard and file list imports.
- Added home screen widget support.
- Updated Android Material design language.
Active Nemesis
Randomizer
By Rob Sammons
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Import custom lists from files or clipboard to generate random items
Access generated data and settings across all devices via account-tied state
Trigger new random responses by physically shaking the device
How much does it cost?
- Free tier with ad support
- Premium subscription at $2.99/month or $23.99/year
Freemium model anchored by a $2.99 monthly subscription that removes ads and unlocks data portability features.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Volodymyr Yahenskyi make?
Tally: Counter & Score Tracker
Productivity
Eye Workout: Recovery Exercise
Medical
Alias - Explain & Guess Words
Games
What do users think recently?
High confidence · Latest 110 of 172 total reviews analyzed · Based on 172 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate versatile list management and randomization options provide utility for diverse daily decision-making tasks, but report aggressive ad frequency and duration significantly degrade the user experience during routine randomization tasks.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Random Number Generator. RNG?
Where is it available?
Localized markets (1)
How's The Utilities Market?
Market outlook for this category
Available very soon
Which niche is Random Number Generator. RNG in?
to generate random values for decision making
Explore the full Randomization Generators niche
Every app in this space — 3 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Randomizer directly competes for the same utility-focused user base by offering a comprehensive suite of randomization tools, including list management and dice rolling.
Differentiators
- Offers iCloud sync capabilities, allowing users to maintain consistent list data across multiple Apple devices
- Employs a privacy-first architecture that appeals to security-conscious users wary of unnecessary data collection
- Provides robust list management features that allow for complex, saved randomization sets beyond simple generation
Head to head
The target app should prioritize adding cloud-based list syncing to neutralize the nemesis's primary retention advantage.
Contenders(1)
This app competes by targeting the specific niche of team creation and raffle selection, overlapping with the target's custom item generator.
Differentiators
- Includes specialized team creator functionality that simplifies group management for teachers and event organizers
- Features a dedicated raffle winner selector that provides a more focused UX for contest-based use cases
Same space(6)
This app shares the target's utility-first DNA by providing a simple, single-purpose tool for text manipulation.
Differentiators
- Offers a completely ad-free experience that differentiates it from the target's likely ad-supported monetization model
- Includes specific functionality for saving generated text strings, improving workflow for repetitive messaging tasks
It competes for the same 'personalization' utility audience that uses the target app's color and aesthetic generation features.
Differentiators
- Focuses on aesthetic themes and live wallpapers, catering to users prioritizing visual customization over pure utility
- Leverages widget-based delivery to keep the app present on the user's home screen for higher engagement
This app competes for the 'decision-making' utility market by focusing specifically on team randomization and selection.
Differentiators
- Utilizes a unique shake-to-randomize gesture that provides a more tactile and engaging user experience
- Implements advanced balanced team algorithms that outperform simple random selection for classroom or work settings
While in a different category, it competes for the same 'quick utility' screen time by solving a singular, high-frequency user problem.
Differentiators
- Provides instant disposable email addresses, solving a specific privacy pain point not addressed by randomizers
- High update frequency demonstrates a commitment to maintaining service reliability in a competitive communication niche
Both apps function as single-purpose utility tools that occupy space on a user's device for occasional, situational needs.
While the core functions differ, both compete for the same 'Utilities' category real estate and user attention for essential, high-frequency tasks.
Compare Random Number Generator. RNG against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Random Number Generator. RNG
Strengths to defend, gaps to attack
Core Strengths
- Tactile shake-to-randomize gesture increases session engagement
- Diverse multi-mode generator suite sustains high utility across varied user segments
Critical Frictions
- Aggressive ad frequency drives high churn rates
- Subscription billing transparency issues cause friction during trial-to-paid conversion
Growth Levers
- B2B education partnerships for team-selection tools
- Untapped wearable integration for quick-access randomization
Market Threats
- Randomizer's iCloud-native list management siphons power users
- Ad-free competitors like ReText capture users sensitive to monetization pressure
What are the next best moves?
Audit ad frequency settings because high-frequency ad complaints are the #1 churn driver → improve retention
Sentiment analysis identifies aggressive ad frequency as the primary negative theme driving app deletion.
Trade-off: Pause the UI-refresh sprint for the dice-roller — ad-load reduction has a higher impact on daily active users.
Ship native iCloud sync because it is the top-requested feature and a key nemesis differentiator → neutralize churn
User requests and competitor analysis confirm that cloud-sync is the primary retention advantage held by the nemesis.
Trade-off: Deprioritize the new color-theme expansion — cloud-sync is a functional requirement for power users.
A counter-intuitive read
The app's high rating is a deceptive metric: the core utility is so essential that users tolerate the aggressive ad-load, but this creates a massive vulnerability for a cleaner, ad-free entrant to capture the entire power-user segment.
Feature Gaps vs Competitors
- iCloud-native list syncing (available in Randomizer but missing here)
- Balanced team-selection algorithms (available in Team Shake but missing here)
Key Takeaways
The app excels at providing diverse, tactile randomization tools, but aggressive ad-monetization is eroding the user base, so the PM must prioritize ad-load balancing and cloud-sync to defend against retention-focused rivals.
Where Is It Heading?
Mixed Signals
The utility-randomization market is consolidating around apps that offer seamless cross-device data management. While the app maintains high utility, the current ad-monetization strategy is creating a churn funnel that competitors like Randomizer are actively exploiting, so the PM must pivot to a more sustainable monetization model to prevent long-term erosion.
Aggressive ad-load complaints in the latest release drive high churn, which compounds the negative sentiment already visible in recent feedback.
Recent feature additions like file import and widget support demonstrate active development, which sustains the app's utility-first value proposition.