Comparison

Classical JPN Grammar Camera vs Star Fort Builder

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

Head to head
About

Classical JPN Grammar Camera

Features
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A helpful app for mastering classical Japanese grammar in junior high and high school. Perfect for learning how to identify and classify parts of speech in classical texts. Also supports modern Japanese translations to aid comprehension. [Features] ■Breaks down text from photos in your album (gallery) or taken with your camera into parts of speech ■Supports both vertical and horizontal text formats ■Supports modern Japanese translation [When to use it] ・Classical Japanese grammar analysis is already showing up in junior high entrance exams! ・We’ve started breaking down classical Japanese grammar in junior high language classes. ・Do we really need to classify parts of speech in high school classical Japanese too? ・I was planning to make a classical grammar analysis app… well, here it is! ・Chinese classical texts don’t require part-of-speech analysis, do they? ・That’s disappointing... ・Be careful—AI handles both grammar analysis and modern translations! ・I don’t even get modern grammar—what’s classical grammar supposed to be, some kind of snack!? #NativeJapaneseConfusion ・I’m a new Japanese teacher and honestly clueless about classical texts… maybe I’ll just have my students download this app. Please note: An internet connection is required. Disclaimer: The accuracy of responses is not guaranteed. *This app uses the Gemini API.

About

Star Fort Builder

Explore a comprehensive reference and design system for historical star forts. Browse detailed information on 104 documented fortifications and design your own using classic military engineering principles.

Highlights
  • 104 historical star fort profiles
  • GPS coordinates and measurements
  • Aerial photography
  • Design your own star forts
  • Mathematical design systems (Vauban, Coehoorn)
Features
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Assuming you mean the **last App Store version users received**, the app has changed substantially. Here’s a release-ready summary: ## Major additions - Added **“What Are Star Forts?”**, an illustrated historical introduction with links into related forts, books, and features. - Added a full **Discover** section with curated books, documentaries, museums, tours, maps, artwork, and articles. - Added a **Science** section, including an interactive cannon-trajectory simulator. - Added **Plan Your Visit** information to fort pages: - Official websites - Hotels and nearby stays - Tours and restaurants - Car-rental options for remote forts - Clear affiliate-link disclosures - Added verified **Wikipedia links for 104 of 107 forts**. ## Library and historical documents - Expanded the offline historical Library with more fortification and scientific works. - Added **Galileo’s _Two New Sciences_** and **Newton’s _Principia_**, with title-page cover images. - Added the public-domain **1638 English translation of Marolois’s _Art of Fortification_** to the project, pending its final Library wiring. - Compressed several large built-in books while preserving readability: - Earlier compression saved approximately **82 MB** - Coehoorn’s book was reduced from **18.6 MB to 5.8 MB** - Verified that every currently registered offline book opens and reports the correct page count. ## Fort information improvements - Added visible **condition badges** to fort detail pages. - Added **design traditions** to Browse cards. - Added historical photographs and related content improvements. - Added clearer notices when no reliable historical measurements have been published. - Improved the display of alternate and historical fort names. - Added museum locations to the Google Earth export. ## Fort Builder improvements - Added shared **wall-profile controls** and cross-section visualizations. - Added wall cross-sections to exported Builder PDFs. - Added an **Export Options** sheet so users can choose whether to include: - Fort diagram - Measurements - Wall profile - Improved fort geometry, measurements, and proportional rendering. - Added or improved wilderness-fort building features and walkthrough content. ## Navigation and appearance - Reorganized the home screen into the requested order: 1. What Are Star Forts? / Discover 2. Browse Forts / Fort Builder 3. Library / Science 4. Google Earth View / Settings 5. About - Updated the hamburger menu to follow the same structure. - Added optional image tiles to the home screen. - Added subtle visual polish to buttons. - Replaced the iOS/App Store icon with the aerial photograph of **Fort Bourtange**. ## iPhone reliability - Audited every custom menu, modal, drawer, and bottom sheet. - Fixed Browse and Library filter sheets so their contents cannot collapse on a real iPhone. - Previously fixed the same native-layout issue in the unit selector. - Verified all pop-ups in Expo Go on a physical iPhone. - Confirmed the photo lightbox, comparison picker, Builder export options, PDF page-jump dialog, menus, filters, and native photo action sheets work correctly. ## Release information - Visible app version is now **1.0.1**. - The new Fort Bourtange icon is configured specifically as the iOS icon used on the phone and in App Store Connect. ### Short “What’s New” version > Explore a new illustrated introduction to star forts, discover curated books, museums, tours, and documentaries, and experiment with fortification science. Fort pages now include richer historical information, travel resources, official links, and improved measurements. This release also expands the offline document library, improves PDF exports, introduces a new Fort Bourtange app icon, reorganizes navigation, and fixes menus and filter sheets on iPhone.

Screenshots

Classical JPN Grammar Camera4 screens
Star Fort Builder4 screens

Verdict

The call

The clearest difference is ads: Star Fort Builder at none against Classical JPN Grammar Camera's shown. Classical JPN Grammar Camera's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Classical JPN Grammar Camera versus Star Fort Builder: the parameters behind the verdict, then further details
ParameterClassical JPN Grammar CameraStar Fort Builder
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 9 days
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size85 MB381 MB
Age rating4+4+
DeveloperKoji WatanabeFelicity Enterprises LLC

In-app purchases

None

Classical JPN Grammar Camera

No in-app purchases

None

Star Fort Builder

No in-app purchases

Questions

Is Classical JPN Grammar Camera free?
Classical JPN Grammar Camera is free to download, with no in-app purchases.
Is Star Fort Builder free?
Star Fort Builder is free to download, with no in-app purchases.
Do Classical JPN Grammar Camera or Star Fort Builder have ads?
Classical JPN Grammar Camera shows ads; Star Fort Builder does not.

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