Comparison

Card Doppler vs Comp Buddy Live

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

Head to head
About

Card Doppler

Instantly identify sports and trading cards using your camera and see their real selling prices. Track your collection's value, monitor market trends, and compare card prices. Share your finds with a community feed.

Highlights
  • Scan cards for instant price comps
  • Market Movers for gainers/decliners
  • Track collection value and profit
  • Watch live auctions
  • Set checklists for complete sets
  • PSA cert lookup and population data
  • Compare card price history
Features
Read full description

Card Doppler turns your camera into a card price guide. Scan any sports or trading card — football, basketball, baseball, hockey, soccer, UFC, Pokémon, Magic, One Piece — and instantly see what it's actually selling for, based on real sold listings, not guesses. • Scan to identify any card and pull real sold-price comps • Market Movers — the biggest gainers and decliners across the hobby (7-day & 30-day) • Track your collection's value and gain/loss over time • Watchlist live auctions and Buy It Now listings • Set checklists & binders to chase complete sets • PSA cert lookup & population data • Compare multiple cards' price history side by side • A community feed to share pulls, breaks, and sales Card Doppler Elite unlocks unlimited sold-price comps, Market Movers, Compare, PSA lookups, and AI scanning. Subscriptions are billed through your Apple Account and renew automatically unless cancelled; manage or cancel anytime from the More tab. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Comp Buddy Live

Instantly identify trading cards and get real-time sold prices during live auctions. Track market trends, manage your collection, and make smarter buying decisions. Designed for collectors and flippers participating in live online auctions.

Highlights
  • Instant card identification with sold prices
  • Live auction sales data
  • Market trend analysis
  • Breaker assistant for team/spot evaluation
  • Watchlist for tracking cards
  • Share from other apps
Features
Read full description

Know what a card is worth before you bid. Comp Buddy gives collectors instant card identification, recent sales data, and real-time market insights while watching live auctions on Whatnot, TikTok Shop, eBay Live, and other marketplaces. Stop switching between apps, digging through listings, or guessing what a card is worth. Comp Buddy helps you spot good deals, avoid overpaying, and bid with confidence. INSTANT CARD SCANNER Point your camera at a sports card or Pokémon card to identify it and view recent sold prices in seconds. Get the information you need without leaving the live auction, searching manually, or filling your photo library with screenshots. REAL LIVE-AUCTION SALES Explore actual card sales from live auctions across the collecting community—data you may not find on traditional marketplaces. Search for any card to compare live-auction results with eBay sold listings and better understand what buyers are paying right now. TRACK MARKET TRENDS See which cards are attracting the most attention and where the market is moving. Explore: • Top recent sales • Cards with the most bidding activity • Price distributions • Sales volume • 24-hour, 7-day, and 30-day trends Follow activity across sports cards, Pokémon cards, and the broader collectibles market. SHARE CARDS FROM OTHER APPS Send a card directly to Comp Buddy from another app to identify it, find recent comps, or save it for later. No copying, pasting, or manually entering card information. BUILT FOR COLLECTORS Comp Buddy is designed for sports card collectors, Pokémon collectors, resellers, flippers, and live-auction buyers who want to: • Find accurate card values faster • Make smarter buying decisions • Avoid overpaying • Discover underpriced cards • Follow live market activity • Bid with greater confidence COMP BUDDY PRO Comp Buddy Pro unlocks full access to the app. Start with a 7-day free trial. A Comp Buddy subscription does not include or require a Card Ladder membership. SUBSCRIPTION INFORMATION Comp Buddy Pro is available as a monthly or annual auto-renewing subscription with a 7-day free trial. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless it is canceled at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription at any time through your App Store account settings. Any unused portion of a free trial will be forfeited when a subscription is purchased. Terms of Use: https://compbuddylive.com/terms Privacy Policy: https://compbuddylive.com/privacy

Screenshots

Card Doppler4 screens
Comp Buddy Live4 screens

Verdict

The call

The clearest difference is review sentiment: Card Doppler at 100% against Comp Buddy Live's 0%. Card Doppler also leads on rating (5.0 vs 3.0). Comp Buddy Live's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs weekly). On price, ratings volume, ads and monetization model 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 Doppler sells 2 in-app purchases, starting at $4.99 per month. Comp Buddy Live asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Card Doppler holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 100% of Card Doppler's written reviews are positive against 0% of Comp Buddy Live's.

UpkeepUpdate frequency

Card Doppler ships an update weekly, Comp Buddy Live every 2 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Card Doppler versus Comp Buddy Live: the parameters behind the verdict, then further details
ParameterCard DopplerComp Buddy Live
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings22
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFreemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size64 MB45 MB
Age rating4+4+
DeveloperBradley CoolSilo Studios L.L.C.

Customer experience

Card Doppler

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Comp Buddy Live

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Card Doppler

Subscriptions2
  • Elite$4.991 Month
  • Elite$44.991 Year
None

Comp Buddy Live

No in-app purchases

Questions

Is Card Doppler free?
Card Doppler is free to download, with in-app purchases available.
Is Comp Buddy Live free?
Comp Buddy Live is free to download, with no in-app purchases.
Which has better reviews, Card Doppler or Comp Buddy Live?
Card Doppler is rated higher. Card Doppler averages 5.0 out of 5 from 2 ratings, while Comp Buddy Live averages 3.0 from 2 ratings.
Do Card Doppler or Comp Buddy Live have ads?
Neither Card Doppler nor Comp Buddy Live shows ads.
Which is updated more often, Card Doppler or Comp Buddy Live?
Card Doppler ships an update weekly, and Comp Buddy Live every 2 days. Most recently, Card Doppler was updated on October 6, 2026 and Comp Buddy Live on October 2, 2026.

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