Unlimited Math Problems vs Chord
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unlimited Math Problems
Master your math skills with an app that generates an endless supply of practice problems. It offers various interaction types and covers multiple math subjects, suitable for all skill levels.
- Infinite problem generation
- Keyboard, multiple choice, true/false inputs
- Varied problem types per subject
- Covers early math, arithmetic, fractions, number theory, decimals, trigonometry
- Suitable for beginners and experienced users
Read full descriptionHide full description
Unlimited Math Problems is an app that helps you master your mathematical skills. This app takes a different approach by generating an infinite number of math problems instead of using a limited problem set, so you won't get bored. It contains different interactions, such as keyboard input, multiple choice, and true/false. You can choose from different variations of problems for each topic, making this app useful for both beginners and experienced users. The app contains the following subjects: Early math, Arithmetic, Fraction, Number theory, Decimal and Trigonometry. We're looking forward for your feedback and suggestions. https://www.facebook.com/mathproblemsapp Credits: - Correct animation by Chethan K V S at lottiefiles.com - Wrong animation by Chethan K V S at lottiefiles.com
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
Read full descriptionHide full description
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 Unlimited Math Problems's 4.5. Chord also leads on price ($3.99 vs $5.99) and device support (5 vs 2). On review sentiment, ratings volume, update cadence 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
Unlimited Math Problems costs $5.99 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 4.5. Both are backed by a comparable volume of ratings — 53 and 81 respectively. Written reviews complicate that: 64% of Unlimited Math Problems'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.
Unlimited Math Problems ships an update every 3 weeks, Chord every 4 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.
| Parameter | Unlimited Math Problems | Chord |
|---|---|---|
| Price | $5.99 | $3.99 — better |
| Rating | 4.5 (53 ratings) | 4.8 (81 ratings) — better |
| Positive reviews | 64.3% of reviews — better | 57.1% of reviews |
| Number of ratings | 53 | 81 — better |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Madiyar Aitbayev | Roman Sevastyanov |
Customer experience
Unlimited Math Problems
Chord
In-app purchases
Unlimited Math Problems
No in-app purchases
Chord
No in-app purchases
Questions
Is Unlimited Math Problems free?
Is Chord free?
Which has better reviews, Unlimited Math Problems or Chord?
Do Unlimited Math Problems or Chord have ads?
Which is updated more often, Unlimited Math Problems or Chord?
Other comparisons
