Comparison

MerkTier 2.0 vs QR Analyzer

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

Head to head
About

MerkTier 2.0

Features
Read full description

Mit MerkTier kannst Du bei deinen wissenschaftlichen Untersuchungen die Tierart, das Beobachtungsdatum und den exakten Beobachtungsort (GPS-Daten) mit wenigen Klicks sauber dokumentieren. Ergänzen kannst Du diese Daten mit dem Foto des Feuersalamanders, der Wanderrichtung, dem Entwicklungsstadium und dem Geschlecht. Ablauf der Dokumentation: 1. Auswählen der Amphibienart durch Drücken des entsprechenden Bildes. 2. Vom Feuersalamander muss von oben ein Bild gemacht werden, damit die Erkennung der Individuen erfolgen kann. 3. Weitere Informationen wie Wanderrichtung, Entwicklungsstadium, Geschlecht und Zustand 4. Zum Bestätigen FERTIG drücken. So schnell hast du dein Tier dokumentiert, den Rest macht die App von selbst. Es werden also zusätzlich automatisch Datum und Uhrzeit, sowie der genaue Standort des Tiers gespeichert. Daten erhalten: Tabelle: In der App auf DATEN ANZEIGEN UND EXTRAHIEREN, dann auf DATEN FÜR WILDBOOK EXTRAHIEREN oder DATEN EXTRAHIEREN. Der Speicherort der CSV-Datei kann dann selbst gewählt werden Bilder: Die Bilder sind in der Galerie in einem eigenen Verzeichnis gespeichert.

About

QR Analyzer

Features
Read full description

QR Analyzer is a visualization and learning tool designed for anyone who wants to understand the internal structure of QR codes. Unlike typical readers that simply display decoded text, this app reveals how a QR code is constructed through color-coded layers and matrix views. Key Features - Capture a QR code with your camera and analyze it instantly - Color-coded visualization of Finder Patterns, Timing Patterns, Format Information, Version Information, Data modules, and Error Correction (ECC) modules - Display of mask patterns and the unmasked bit matrix - Detailed metadata: version, error correction level, mask pattern, size, number of data codewords, and number of ECC codewords Recommended For - Students and engineers who want to learn QR code specifications and internal structures - Developers who need to inspect or debug their own QR libraries or decoders - Anyone who wants to go beyond simple 'reading' and truly understand how QR codes work QR Analyzer transforms QR codes from 'a grid of black squares' into a meaningful, structured system you can explore and learn from.

Screenshots

MerkTier 2.03 screens
QR Analyzer4 screens

Verdict

The call

The clearest difference is in-app purchases: MerkTier 2.0 at none against QR Analyzer's 1. QR Analyzer's advantage is update cadence (every 3 weeks vs every 22 months). On price, ads, device support and iOS requirement 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. QR Analyzer sells 1 one-off in-app purchase. MerkTier 2.0 asks for nothing beyond the download.

UpkeepUpdate frequency

MerkTier 2.0 ships an update every 22 months, QR Analyzer every 3 weeks. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 4 level
MerkTier 2.0 versus QR Analyzer: the parameters behind the verdict, then further details
ParameterMerkTier 2.0QR Analyzer
PriceFreeFree
Update frequencyEvery 22 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size101 MB25 MB
Age rating4+4+
DeveloperKAROLIN EGLEakira ohmachi

In-app purchases

None

MerkTier 2.0

No in-app purchases

1 purchases

QR Analyzer

One-time1
  • Remove Ads$1.99

Questions

Is MerkTier 2.0 free?
MerkTier 2.0 is free to download, with no in-app purchases.
Is QR Analyzer free?
QR Analyzer is free to download, with in-app purchases available.
Do MerkTier 2.0 or QR Analyzer have ads?
Neither MerkTier 2.0 nor QR Analyzer shows ads.
Which is updated more often, MerkTier 2.0 or QR Analyzer?
MerkTier 2.0 ships an update every 22 months, and QR Analyzer every 3 weeks. Most recently, MerkTier 2.0 was updated on October 8, 2026 and QR Analyzer on October 20, 2026.

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