Comparison

TROX Ox vs Grade Cards

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

Head to head
About

TROX Ox

Features
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Monitor air quality parameters and change temperature setpoint in buildings using TROX Ox ventilation system

About

Grade Cards

Features
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Grading & Sammelkarten-Wertermittlung Erhalten Sie schnelles und präzises KI-Grading für alle Ihre Karten. Entdecken Sie in nur wenigen Minuten, wie Sie den Wert Ihrer Sammlung maximieren können. Hauptfunktionen Detailliertes Massen-Grading: Scannen Sie mehrere Karten gleichzeitig mit punktgenauer Präzision für Mängel an jeder einzelnen Karte. Professionelle Empfehlungen: Smarte Empfehlungen dazu, ob sich das Einsenden einer Karte für ein professionelles Grading lohnt. Raw- & Graded-Preise: Sofortige Marktpreise für jede Karte — sowohl im unbewerteten (Raw) als auch im bewerteten (Graded) Format. 30-Tage-Portfolio-Trends: Verfolgen Sie Gesamtwertveränderungen und Trends Ihres Portfolios über die letzten 30 Tage. Eigene Sammlungen: Organisieren und verwalten Sie Ihre Karten durch das Erstellen separater, individueller Sets. Erweiterte Suchfilter: Finden Sie spezifische Karten ganz einfach mithilfe mehrerer Suchparameter. Terms of Use: https://docs.google.com/document/d/1neVvBDRERCtBRTNEmyJZnwwjc_wGn7HO75P7Y3tZWL8/edit?usp=sharing Privacy: https://docs.google.com/document/d/1TbBPOX6xbRVotIZlg3LVmbMY0mJU2cafthJNPf95l8Y/edit?usp=sharing

Screenshots

TROX Ox4 screens
Grade Cards4 screens

Verdict

The call

The clearest difference is in-app purchases: TROX Ox at none against Grade Cards's 2. TROX Ox also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.6). Grade Cards's advantage is update cadence (fortnightly vs every 4 months). On price and ads 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. Grade Cards sells 2 in-app purchases, starting at $4.99 per 7 days. TROX Ox asks for nothing beyond the download.

UpkeepUpdate frequency

TROX Ox ships an update every 4 months, Grade Cards fortnightly. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 2 level
TROX Ox versus Grade Cards: the parameters behind the verdict, then further details
ParameterTROX OxGrade Cards
PriceFreeFree
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better17.6
Further details — not scored
Size47 MB37 MB
Age rating4+4+
DeveloperTROX GmbHMykola Goncharov

In-app purchases

None

TROX Ox

No in-app purchases

2 purchases

Grade Cards

Subscriptions2
  • Card Grader PRO3 Days trial$4.997 Days
  • Yearly Pro Access$79.991 Year

Questions

Is TROX Ox free?
TROX Ox is free to download, with no in-app purchases.
Is Grade Cards free?
Grade Cards is free to download, with in-app purchases available.
Do TROX Ox or Grade Cards have ads?
Neither TROX Ox nor Grade Cards shows ads.
Which is updated more often, TROX Ox or Grade Cards?
TROX Ox ships an update every 4 months, and Grade Cards fortnightly. Most recently, TROX Ox was updated on November 4, 2026 and Grade Cards on November 7, 2026.

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