Solving Pythagoras PRO vs Chord
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solving Pythagoras PRO
Easily calculate the sides of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and provides clear solution steps.
- Pythagorean theorem calculations
- Calculate any of the three sides
- Fraction input support
- Calculation history
- Clear solution steps
- Manual history sorting and deletion
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The calculation of a right-angled triangle is no longer a problem. All edges are calculated with the Pythagorean theorem. If you enter the value of two edges, the third is calculated. All calculations are stored in a history. The final solution can be shared. [Contents] - the edges a, b and c can be entered - calculation of the third edge with the Pythagorean theorem - history function that saves input - complete solution - the entering of fractions is supported - no ads! [ Application ] - there are 3 fields for entering the values using a modified keyboard - if you have not entered enough values, the text fields are highlighted in yellow - if you have entered invalid values, the corresponding text field is highlighted in red - you can switch between the solution, input view and history by swiping and / or touching the buttons - the entries in the history can be deleted or sorted manually - if you select an entry in the history, it will be loaded automatically for the calculation - the entire history can be deleted by pressing a key
Chord
Unlock musical creativity with a suite of tools for composing and practicing. Generate chord progressions, practice notation, train your ear, and even use your device as a MIDI keyboard. Includes a macOS version for seamless integration.
- Chord progression generation with inversions and extensions
- Live playback as piano or synth
- MIDI output to macOS
- Guitar chord finder
- Notation reading practice
- Ear training for intervals and voice
- macOS version included
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This app plus your ears equals complete freedom in writing music! A comprehensive set of tools for any musician: * Chord Progression: Create beautiful chord progressions with full flexibility - use inversions, sus2, sus4, 7th, 9th, and more. Enjoy live playback as piano or synth, or send MIDI directly to your macOS computer! * Guitar Chords - helps you find and browse guitar chords. * MIDI Keyboard: Transform your phone into a MIDI keyboard for your macOS computer (compatible with macOS Catalina and newer). * Notation Practice: Practice reading notes in both treble and bass clefs. * Chord Calculation: Help you learn how to calculate chords and progressions. * Interval Practice: Practice recognizing and comparing musical intervals by ear. * Voice & Ear Training: Simple, effective tools for voice practice and ear training. * Harmonic Match - helps you mix tracks in key while DJing. * Guitar tuner - helps you tune your guitar to the most popular tunings. * Modulation Pad - Helps when using a compact MIDI keyboard without built-in pitch and modulation controls. Also includes a sustain pedal (compatible with macOS Catalina and newer). Plus, enjoy the macOS version included with your purchase!
Screenshots
Verdict
The clearest difference is rating: Chord at 4.8 against Solving Pythagoras PRO's 4.2. Chord also leads on device support (5 vs 3). Solving Pythagoras PRO's advantage is review sentiment (71% vs 57%) and price ($1.99 vs $3.99). On ratings volume, update cadence, 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
Solving Pythagoras PRO costs $1.99 and Chord $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chord holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 35 and 81 respectively. Written reviews complicate that: 71% of Solving Pythagoras PRO's written reviews are positive against 57% of Chord's, so the app with the better star average is not the one people write more warmly about.
Solving Pythagoras PRO ships an update every 5 weeks, Chord every 4 weeks. The most recent releases landed on September 17, 2026 and October 3, 2026 respectively.
| Parameter | Solving Pythagoras PRO | Chord |
|---|---|---|
| Price | $1.99 — better | $3.99 |
| Rating | 4.2 (35 ratings) | 4.8 (81 ratings) — better |
| Positive reviews | 71.4% of reviews — better | 57.1% of reviews |
| Number of ratings | 35 | 81 — better |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 179 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Roman Sevastyanov |
Customer experience
Solving Pythagoras PRO
Chord
In-app purchases
Solving Pythagoras PRO
No in-app purchases
Chord
No in-app purchases
Questions
Is Solving Pythagoras PRO free?
Is Chord free?
Which has better reviews, Solving Pythagoras PRO or Chord?
Do Solving Pythagoras PRO or Chord have ads?
Which is updated more often, Solving Pythagoras PRO or Chord?
Other comparisons
