Report updated May 25, 2026
Polis Inventory
For classical scholars, students, and researchers interested in the geography and history of Archaic and Classical Greek poleis.
Polis Inventory is a well-regarded education app that is completely free. With a 4.9/5 rating from 8 reviews, it maintains solid user satisfaction.
What is Polis Inventory?
Polis Inventory is an interactive educational map for iOS that visualizes 1,035 ancient Greek poleis using historical and physical parameters.
Researchers and students hire this tool to bridge the gap between print-based archaeological inventories and digital spatial analysis, removing the manual labor of cross-referencing historical data.
Current Momentum
v2.0 · 4mo ago
Maintenance- Maintained stable academic dataset.
- Last major release Jan 2026.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Displays 1,035 ancient Greek poleis as map annotations with dynamic zoom-based density
Filters dataset using 15 physical and historical parameters with multi-button range selectors
Copies full polis dataset to clipboard in GeoJSON format for external use
How much does it cost?
- Free access to all features
- Optional voluntary tips
The app operates as a free, non-monetized educational tool with voluntary support via a tip jar.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does Jess Taylor make?
What do users think recently?
Low confidence · 8 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment.
Limited review volume (8 reviews). Sentiment analysis will deepen as more data lands.
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 Polis Inventory?
Where is it available?
Localized markets (1)
How's The Education Market?
Market outlook for this category
Available very soon
Which niche is Polis Inventory in?
Explore the full History Maps 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(4)
Both apps serve the educational niche by providing structured, fact-based historical content to students and history enthusiasts.
Differentiators
- Utilizes gamified quiz modules to drive engagement rather than static reference-based data sets.
- Integrates with GIGA School infrastructure, providing a formal institutional distribution channel target lacks.
This app competes for the same academic-leaning user base interested in specialized, archaeological, and historical data retrieval.
Differentiators
- Features interactive drag-and-drop cartouche matching that provides a tactile learning experience for users.
- Includes specialized Gardiner Code input functionality for precise archaeological research and identification tasks.
Kinfolk competes by offering a high-fidelity, immersive historical experience that targets the same educational curiosity as Polis Inventory.
Differentiators
- Leverages AR technology to visualize historical monuments, creating a superior immersive experience over static maps.
- Builds a community-driven archive and badge system that fosters long-term user retention and engagement.
Both apps focus on the digital preservation and spatial visualization of historical geographical data for educational purposes.
Differentiators
- Provides a 3D AR globe visualization that offers better spatial context than traditional 2D map datasets.
- Features a curated library of historic globes that appeals to cartography enthusiasts and academic researchers.
New entrants(2)
This newcomer threatens the target by applying modern, short-form social media consumption patterns to historical education.
Differentiators
- Uses an infinite scroll feed format to maximize daily user retention through bite-sized historical content.
Time Traveler competes by offering a location-aware historical discovery experience that complements the target's static inventory.
Differentiators
- Implements location-based search functionality, allowing users to discover historical events relevant to their current geography.
Compare Polis Inventory 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 Polis Inventory
Strengths to defend, gaps to attack
Core Strengths
- Dataset integrity via Stanford-managed source material
- GeoJSON export enables professional research workflows
Critical Frictions
- Zero community-driven retention loops
- Static 2D map format lacks immersive engagement
Growth Levers
- Integration of location-aware discovery features
- Institutional partnerships for educational curriculum use
Market Threats
- Short-form historical content apps capturing casual interest
- AR-native competitors eroding static reference tool appeal
What are the next best moves?
Ship location-aware discovery features because competitors like Time Traveler use geography to drive engagement → increase session frequency.
Competitor analysis shows location-aware discovery is a key differentiator for new entrants in the history education space.
Trade-off: Pause the UI design refresh for the filter menu — current filters are functional for the core academic user base.
A counter-intuitive read
The app's lack of monetization is not a weakness but a strategic barrier: by remaining free and independent, it avoids the ad-driven churn that plagues gamified history apps.
Feature Gaps vs Competitors
- AR-based monument visualization (available in Kinfolk)
- Gamified quiz modules (available in Japanese History Quiz)
- Location-aware event discovery (available in Time Traveler)
Key Takeaways
Polis Inventory succeeds as a high-fidelity reference tool for scholars, but its static nature limits long-term retention compared to gamified or AR-based rivals, so the PM should prioritize adding location-aware discovery to capture casual interest.
Where Is It Heading?
Stable
The history education market is shifting toward immersive and bite-sized content, which leaves static reference apps like Polis Inventory exposed. The PM must transition from a pure reference tool to an interactive discovery platform to maintain relevance against modern, high-retention competitors.
The app maintains a stable, high-utility academic focus, but the lack of feature updates suggests a maintenance-mode posture relative to active competitors.
The rise of short-form historical content apps like WikiTok pulls casual attention away from static reference tools, increasing long-term churn risk.