Comparison

Card Centering Tool vs ShelfPulse

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

Head to head
About

Card Centering Tool

This tool helps collectors accurately measure card centering ratios for sports and trading cards. It provides precise measurements against professional grading standards and offers customizable viewing options for a better collecting experience.

Highlights
  • Manual centering measurement
  • Front & back ratio analysis
  • Grading reference library
  • Customizable viewing options
  • Visual ratio previews
  • Supports all card types
Features
Read full description

Card Centering Tool is the ultimate companion for collectors who value accuracy and grading confidence. Built for both sports and trading card enthusiasts, it gives you complete control over measuring card centering — no more guessing whether your card is truly balanced. Instantly see how your cards align with professional grading standards from PSA, BGS, CGC, SGC, TAG, and ACE, whether you’re preparing for submission or reviewing new additions to your collection. Powerful Tools for Every Collector -Manual Centering Measurement- Align on-screen guides along each edge to calculate exact centering ratios — like 55/45, 60/40, or 70/30 — with precision trusted by professional graders. -Front & Back Ratio Analysis- Evaluate both sides of your card independently to understand how overall centering might influence your final grade. -Built-In Grading Reference Library- Access detailed centering standards from top grading services directly within the app for instant reference. -Customizable Viewing Options- Adjust guide colors, background contrast, and display styles to suit your personal workflow and visual comfort. -Visual Ratio Previews- Compare how different centering ratios appear on-screen to quickly identify off-center cards before submission. -Compatible with All Card Types- Supports every major category — from baseball, basketball, and football cards to collectible trading cards. Make Smarter Grading Decisions With Card Centering Tool, you’ll spend less time estimating and more time collecting confidently — saving money, avoiding surprises, and ensuring every card you send has the best possible presentation. Subscription & Pricing Unlock all premium features and enjoy unlimited test access: weekly, monthly & lifetime plan Payment will be charged to your iTunes Account upon confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your Account Settings after purchase. Privacy Policy: https://trendyapptemplates.com/CardCenteringApp/privacy-policy.html Terms & Conditions: https://trendyapptemplates.com/CardCenteringApp/terms-and-conditions.html

About

ShelfPulse

Monitor your Audiobookshelf server with real-time dashboards, deep listening analytics, and library insights. Manage users, view beautiful home screen widgets, and gain personal or administrative perspectives on your audiobook collection. Enjoy a privacy-first experience with direct server connection.

Highlights
  • Real-time session monitoring
  • Deep listening analytics
  • Library and server insights
  • User management
  • Home screen widgets
  • Direct server connection
Features
Read full description

Real-Time Dashboard: Monitor active sessions, playback progress, and device details instantly. Deep Analytics: Track listening time, streaks, favorite genres, and full history. Library Insights: Explore detailed server trends and collection statistics. Admin Functionality: Manage Users: Create, Edit, Delete and reset passwords for users of your server. Beautiful Widgets: Keep your listening stats visible right on your home screen. For Everyone: Full server monitoring for Admins and personal insights for standard users. Privacy First: Direct connection to your server with no cloud services or data collection. 3-Day Free Trial: Experience full functionality risk-free. Requires an Audiobookshelf server. https://www.audrabooks.app/shelfpulse/terms https://www.audrabooks.app/shelfpulse/privacy

Screenshots

Card Centering Tool4 screens
ShelfPulse4 screens

Verdict

The call

The clearest difference is rating: ShelfPulse at 4.9 against Card Centering Tool's 4.6. Card Centering Tool's advantage is update cadence (every 2 days vs weekly) and device support (3 vs 1). On price, ratings volume, 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. Card Centering Tool sells 3 in-app purchases, starting at $3.99 per 7 days and ShelfPulse sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ShelfPulse holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 19 and 9 respectively.

UpkeepUpdate frequency

Card Centering Tool ships an update every 2 days, ShelfPulse weekly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Card Centering Tool versus ShelfPulse: the parameters behind the verdict, then further details
ParameterCard Centering ToolShelfPulse
PriceFreeFree
Rating4.6 (19 ratings)4.9 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings19 — better9
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better18.5
Further details — not scored
Size38 MB8 MB
Age rating+44+
Developerfaisal khalidEric Randall

Customer experience

Card Centering Tool

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%

ShelfPulse

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Card Centering Tool

Subscriptions2
  • Weekly - Card Centering App$3.997 Days
  • Yearly - Card Centering Tool$29.991 Year
One-time1
  • Lifetime - Card Grading$7.99
2 purchases

ShelfPulse

Subscriptions1
  • ShelfPulse Monthly3 Days trial$0.991 Month
One-time1
  • Full Access$9.99

Questions

Is Card Centering Tool free?
Card Centering Tool is free to download, with in-app purchases available.
Is ShelfPulse free?
ShelfPulse is free to download, with in-app purchases available.
Which has better reviews, Card Centering Tool or ShelfPulse?
ShelfPulse is rated higher. Card Centering Tool averages 4.6 out of 5 from 19 ratings, while ShelfPulse averages 4.9 from 9 ratings.
Do Card Centering Tool or ShelfPulse have ads?
Neither Card Centering Tool nor ShelfPulse shows ads.
Which is updated more often, Card Centering Tool or ShelfPulse?
Card Centering Tool ships an update every 2 days, and ShelfPulse weekly. Most recently, Card Centering Tool was updated on October 24, 2026 and ShelfPulse on October 24, 2026.

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