Report updated May 25, 2026
Stash: Know Your Stuff
For individuals managing household storage, tools, or collections who require a structured inventory system to prevent duplicate purchases.
Stash: Know Your Stuff is an established productivity app that is free with in-app purchases.
What is Stash: Know Your Stuff?
Stash is a personal inventory management app for iOS that allows users to map household storage locations and track item quantities.
Users hire Stash to eliminate the frustration of duplicate purchases and lost items by creating a digital, searchable map of their physical belongings.
Current Momentum
v1.0 · 1mo ago
Zombie- Launched initial version in April 2026.
- Ships core inventory and location features.
Active Nemesis
Fragmented niche
No dominant direct rival identified yet — see Other Rivals below.
Other Rivals
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
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What Are The Key Features?
Custom hierarchy builder for mapping storage spaces from rooms down to specific drawers.
Monitoring system for item counts and expiration dates with threshold-based notifications.
Database backup and state synchronization across Apple devices.
How much does it cost?
- Free tier limited to 25 items
- Stash Pro at £4.99 one-time purchase for unlimited items, photos, and data export
Freemium model uses a hard item-count cap to drive conversion to a single-purchase lifetime unlock.
Who Built It?
JOE DERYK POYNTON
View Publisher Intel →Enrichment in progress
Publisher profile available very soon
What other apps does JOE DERYK POYNTON make?
Grocery Flow
Productivity
What do users think recently?
Analysis in progress, available soon
What is the competitive landscape for Stash: Know Your Stuff?
Where is it available?
Localized markets (1)
How's The Productivity Market?
Stash targets individuals managing household storage, tools, or collections who require a structured inventory system to prevent duplicate purchases. The pricing model uses a hard item-count cap (25 items) to drive conversion to a £4.99 one-time purchase, positioning the app as a low-friction, lifetime-value utility rather than a recurring subscription service.
Which niche is Stash: Know Your Stuff in?
to track and organize household belongings
Explore the full Home Inventory Loggers niche
Every app in this space — 1 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Same space(2)
Both apps target the household organization market by providing digital cataloging systems to help users track physical possessions and storage locations.
Differentiators
- Includes a dedicated lending tracker feature that allows users to monitor items borrowed by friends
- Offers robust list sharing capabilities that enable multiple household members to manage inventory in sync
This app competes for the same productivity-focused user base by offering structured logging and tracking tools for personal life management.
Differentiators
- Utilizes a unique symbol-based logging system that simplifies data entry compared to traditional text-heavy inventory apps
- Provides native home screen widgets that allow for rapid status updates without opening the main application
New entrants(2)
This newcomer targets the niche productivity segment by offering specialized tracking for specific activities, mirroring the structured data entry approach of Stash.
Differentiators
- Features a highly specialized door-to-door mode designed specifically for field service and volunteer activity tracking
This app enters the productivity space by focusing on event logging and habit tracking, which overlaps with the user need for organized personal record-keeping.
Differentiators
- Provides advanced statistics and trend visualization tools that help users analyze their historical logging behavior patterns
Compare Stash: Know Your Stuff 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 Stash: Know Your Stuff
Strengths to defend, gaps to attack
Core Strengths
- Location-tree hierarchy provides a clear visual picture of belongings
- CloudKit integration ensures data persistence across Apple devices
Critical Frictions
- 25-item free cap restricts serious collectors
- Lack of multi-user sharing limits household utility
- No Android presence restricts addressable market
Growth Levers
- Develop multi-user sharing to capture household-level adoption
- Introduce trend visualization to increase user engagement
Market Threats
- Stuffanizer's collaboration features siphon multi-person households
- Marked's widget-first entry reduces the friction of logging items
What are the next best moves?
Ship multi-user sharing because Stuffanizer captures household-level users → increase retention in shared living scenarios.
Stuffanizer's collaboration feature is a key differentiator that Stash currently lacks.
Trade-off: Push the Android port to Q4 — iOS-only user base is the immediate priority.
Build home screen widgets because Marked's rapid-log capability reduces friction → improve daily active usage.
Marked's widget-based entry is a direct threat to Stash's logging frequency.
Trade-off: Deprioritize the data export refinement — widget-driven engagement has higher impact on retention.
A counter-intuitive read
The one-time purchase model is a liability, not an asset: it prevents the recurring revenue needed to fund the rapid feature parity required to compete with subscription-based productivity apps.
Feature Gaps vs Competitors
- Multi-user list sharing (available in Stuffanizer but absent here)
- Home screen widgets (available in Marked but absent here)
Key Takeaways
- Stash's location-tree is a strong differentiator, but the lack of collaboration features limits its utility for shared households.
- The one-time purchase model provides a low barrier to entry but may struggle to fund the ongoing development needed to match competitor widget and sharing capabilities.
- Prioritizing multi-user sharing is the most direct path to defending against Stuffanizer and increasing household-level retention.
Stash provides a strong location-mapping mechanism, but the lack of collaboration features leaves it vulnerable to household-focused rivals, so the PM should prioritize multi-user sharing to secure long-term retention.
Where Is It Heading?
Stable
The personal inventory market is shifting toward collaborative household management, and Stash's current solo-user focus leaves it exposed to more integrated rivals. The PM must transition the app from a personal utility to a shared household tool to avoid being relegated to a niche, single-user segment.
The app launched recently with a focused feature set, establishing a baseline for future expansion into collaboration tools.
Competitors like Stuffanizer already offer multi-user sharing, which creates a significant barrier to household-level adoption for Stash.