Cornerstone Cards vs ChatBlockus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cornerstone Cards
This app helps trading card enthusiasts and sellers capture high-quality images of cards and their corners. It streamlines the process of showcasing card condition, enabling sellers to generate professional photos that build buyer trust.
- High-quality card image capture
- Focus on card corners
- Streamlines condition showcasing
- Professional photo generation
- Builds buyer trust
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Cornerstone is an app designed specifically for trading card enthusiasts and sellers. This app streamlines the process of showcasing the quality and condition of trading cards by focusing on capturing high-quality images of the card and its corners. The corners of a card are often the most scrutinized part when assessing its condition, and Cornerstone ensures that these critical details are highlighted with precision. By using Cornerstone, sellers can quickly and efficiently generate professional photos that accurately represent the state of their cards, making it easier to attract potential buyers and establish trust in the marketplace.
ChatBlockus
This Safari extension allows users to block comment sections on websites, providing a cleaner browsing experience. It is designed exclusively for Safari browsers on Apple devices.
- Blocks comment sections
- Safari extension
- Cleaner browsing experience
- Works on iPhone and iPad
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ChatBlockus is a Safari extension to block comment sections Safari extensions only work in Safari. They don't work in Google Chrome, Firefox, etc.
Screenshots
Verdict
The clearest difference is price: Cornerstone Cards at Free against ChatBlockus's $1.99. Cornerstone Cards also leads on rating (5.0 vs 1.0) and iOS requirement (13.4 vs 16.4). ChatBlockus's advantage is update cadence (daily vs every 3 weeks). On ratings volume, ads, 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
Cornerstone Cards is free to download; ChatBlockus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Cornerstone Cards holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Cornerstone Cards ships an update every 3 weeks, ChatBlockus daily. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.
| Parameter | Cornerstone Cards | ChatBlockus |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 21 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrew Hicks | Lucas Exequiel Di Tomase |
Customer experience
Cornerstone Cards
ChatBlockus
In-app purchases
Cornerstone Cards
No in-app purchases
ChatBlockus
No in-app purchases
