Comparison

Pitch vs Autograph Identifier & Value

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

Head to head
About

Pitch

This app helps musicians and theorists analyze pitch-class sets, intervals, and harmonies. It offers interactive learning modes and tools for exploring musical composition and analysis.

Highlights
  • Pitch-class set calculation
  • Interval and harmony analysis
  • Series and transformation tools
  • Interactive learning mode
  • Customizable settings
Features
Read full description

Explore New Horizons in Music Theory! The "Pitch-class Sets Calculator" is the ideal tool for composers and music theorists alike. Whether you're a music student, a professional composer, or a music theory enthusiast, this app will assist you in deepening your understanding and analysis of pitch-class sets. Key Features: Advanced Pitch-class Analysis: Easily input pitches and automatically calculate and display the corresponding pitch-class sets. Interval and Harmony Analysis: Detailed analysis of interval relationships, revealing the inner logic of harmonic structures. Series and Transformation Tools: Explore the serialization and transformation possibilities of pitch-class sets, expanding your horizons in musical composition. Interactive Learning Mode: Deepen your understanding of pitch-class set theory with interactive tutorials and examples. Customized Experience: Personalize settings to tailor the app to your learning and creative needs. With the "Pitch-class Sets Calculator", you can: Analyze the pitch structure of classic and modern musical works. Quickly generate and test complex combinations of pitch-class sets. Expand your skills and knowledge in music composition and analysis. No matter where you are in your musical journey, the "Pitch-class Sets Calculator" will be an indispensable assistant. Download now and embark on your journey of musical theory exploration!

About

Autograph Identifier & Value

Instantly identify and estimate the value of autographs from a photo. This app analyzes signatures on collectibles, memorabilia, and personal items to reveal the signer, assess authenticity, and provide market value insights.

Highlights
  • Identify autograph signer
  • Assess authenticity signals
  • Estimate market value
  • Works on sports, entertainment, politics, art
  • Supports various item types
  • Photo upload or camera capture
Features
Read full description

Identify who signed it, check authenticity, and estimate what an autograph could be worth — instantly from a photo. Autograph Identifier helps you understand the value and origin of signatures on collectibles, memorabilia, and personal items. Whether you found a signed item, inherited one, or are considering buying or selling, the app gives you fast, clear insights into what you’re holding. Use your camera or upload a photo, and Autograph Identifier analyzes the signature to help identify the signer, assess authenticity signals, and estimate potential market value. What Autograph Identifier does: - Identifies whose autograph or signature is on an item - Analyzes visual traits to assess authenticity indicators - Estimates how much the signature could be worth on today’s market - Works on autographs across sports, entertainment, politics, art, and more - Supports signatures on items like photos, balls, cards, books, posters, and documents Why people use Autograph Identifier: - Understand the potential resale value of signed items - Learn more about unknown or inherited memorabilia - Make more informed buying, selling, or collecting decisions Simple and flexible: - Take a photo or upload an existing image - Get clear, easy-to-understand results - No expert knowledge required Terms of Use: https://www.notion.so/antoniodesigns/Terms-of-Services-Autograph-Identifier-2df2d87eddf881e9a830f68ff20d82c0?source=copy_link Privacy Policy: https://www.notion.so/antoniodesigns/Privacy-Policy-Autograph-Identifier-2df2d87eddf881fdb32ac17df79642fe?source=copy_link

Screenshots

Pitch4 screens
Autograph Identifier & Value3 screens

Verdict

The call

The clearest difference is rating: Pitch at 5.0 against Autograph Identifier & Value's 4.3. Pitch also leads on in-app purchases (none vs 4) and device support (3 vs 1). Autograph Identifier & Value's advantage is ratings volume (25 vs 1). 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. Autograph Identifier & Value sells 4 in-app purchases, starting at $7.99 per 7 days. Pitch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Pitch holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Autograph Identifier & Value has 25 ratings behind it against 1, so its average is the more settled of the two.

Scorecard6 real differences · 4 level
Pitch versus Autograph Identifier & Value: the parameters behind the verdict, then further details
ParameterPitchAutograph Identifier & Value
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (25 ratings)
Positive reviews—50.0% of reviews
Number of ratings125 — better
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better18
Further details — not scored
Size3 MB25 MB
Age rating4+4+
Developer晨明 张Antonio Ferrara

Customer experience

Pitch

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Autograph Identifier & Value

All ratings22 ratings
Positive77.3%
Neutral4.5%
Negative18.2%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

Pitch

No in-app purchases

4 purchases

Autograph Identifier & Value

Subscriptions4
  • Pro Weekly7 Days trial$7.997 Days
  • Pro Weekly$7.997 Days
  • Pro Yearly7 Days trial$39.991 Year
Show 1 more
  • Pro Yearly$39.991 Year

Questions

Is Pitch free?
Pitch is free to download, with no in-app purchases.
Is Autograph Identifier & Value free?
Autograph Identifier & Value is free to download, with in-app purchases available.
Which has better reviews, Pitch or Autograph Identifier & Value?
Pitch is rated higher. Pitch averages 5.0 out of 5 from 1 ratings, while Autograph Identifier & Value averages 4.3 from 25 ratings.
Do Pitch or Autograph Identifier & Value have ads?
Neither Pitch nor Autograph Identifier & Value shows ads.

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