Comparison

RedHN vs Castora

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

Head to head
About

RedHN

Enhances the Hacker News reading experience with a familiar Reddit-style interface. Offers customizable themes, text adjustments, and organized story browsing. Seamlessly integrates with the official Hacker News website for all core functionalities.

Highlights
  • Reddit-style story cards
  • Visual thread guides
  • Customizable themes and text
  • Viewed story tracking
  • Keyword and domain muting
  • Sidebar/menu drawer navigation
Features
Read full description

RedHN makes Hacker News easier to read in Safari. Enjoy a familiar, Reddit-style layout while staying on the official Hacker News website. • Browse story cards with scores, comments, author details, and links. • Follow discussions with visual thread guides and collapsible replies. • Choose light, dark, or system theme, and adjust text size, line spacing, and page width. • Keep track of viewed stories and mute keywords, domains, or topics. • Navigate with a sidebar on larger screens and a menu drawer on smaller screens. • Keep using Hacker News for voting, replying, hiding, favoriting, and submitting. • Switch back to classic Hacker News using the extension popup. RedHN is an independent project and is not affiliated with or endorsed by Hacker News, Y Combinator, or Reddit.

About

Castora

Features
Read full description

Castora — The Ultimate diecast Collection Tracker Every collector knows the feeling: standing in the aisle, phone out, trying to remember if you already have this casting. Castora ends the guesswork. Track your diecast collection and wishlist, browse the complete catalog, and watch your collection come to life with stats, series progress, and daily discoveries — all built for collectors, by a collector. COLLECTION & WISHLIST • Log every car you own with year, series, and Treasure Hunt / Super Treasure Hunt status • Keep a wishlist of cars you're hunting for • Add your own photos. • Filter and sort by year, series, TH/STH status, and more FULL CATALOG • Browse the entire diecast catalog, organized by year and series • See at a glance which cars you own, want, or haven't discovered yet • "Show Primary Variants only" cuts through color-variant clutter STATS THAT MOTIVATE • Track your overall catalog completion percentage • Drill into any year to see TH/STH counts and series breakdowns • Get a celebration the moment you complete a series HOME DASHBOARD • Catalog progress at a glance • Recently added cars, right where you left off • "Almost Complete" shelf surfaces the series you're closest to finishing • Daily "Discover" picks introduce cars you don't own yet SYNC & BACKUP • iCloud sync keeps your collection and settings up to date across all your devices MADE FOR COLLECTORS Castora was built by a diecast collector who wanted a better way to track a growing collection — clean, fast, and focused on what matters: your cars. Start tracking today and turn your collection into a story worth showing off.

Screenshots

RedHN4 screens
Castora4 screens

Verdict

The call

The clearest difference is update cadence: Castora at daily against RedHN's every 2 months. RedHN's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases 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.

UpkeepUpdate frequency

RedHN ships an update every 2 months, Castora daily. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 6 level
RedHN versus Castora: the parameters behind the verdict, then further details
ParameterRedHNCastora
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size1 MB7 MB
Age rating4+4+
DeveloperGigaBeyond (Guangzhou) Technology Ltd.Saket Kumar

In-app purchases

None

RedHN

No in-app purchases

None

Castora

No in-app purchases

Questions

Is RedHN free?
RedHN is free to download, with no in-app purchases.
Is Castora free?
Castora is free to download, with no in-app purchases.
Do RedHN or Castora have ads?
Neither RedHN nor Castora shows ads.
Which is updated more often, RedHN or Castora?
RedHN ships an update every 2 months, and Castora daily. Most recently, RedHN was updated on November 5, 2026 and Castora on October 29, 2026.

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