# Unlimited Math Problems vs Chord

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.

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.

## The numbers

| Metric | Unlimited Math Problems | Chord |
| --- | --- | --- |
| Price | $5.99 | **$3.99** |
| Rating | [4.5 (53 ratings)](https://appshunter.io/ios/app/unlimited-math-problems/id1244547440/reviews) | **[4.8 (81 ratings)](https://appshunter.io/ios/app/chord/id1500126852/reviews)** |
| Number of ratings | 53 | **81** |
| Positive reviews | **64.3% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Paid | Paid |
| Size | 17 MB | 46 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Madiyar Aitbayev](https://appshunter.io/developer/1229466587) | [Roman Sevastyanov](https://appshunter.io/developer/1448837134) |

## What reviewers say

### Unlimited Math Problems

[App page](https://appshunter.io/ios/app/unlimited-math-problems/id1244547440)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Chord

[App page](https://appshunter.io/ios/app/chord/id1500126852)

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.

**Highlights:** 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

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unlimited Math Problems free?

Unlimited Math Problems costs $5.99, with no in-app purchases.

### Is Chord free?

Chord costs $3.99, with no in-app purchases.

### Which has better reviews, Unlimited Math Problems or Chord?

Chord is rated higher. Unlimited Math Problems averages 4.5 out of 5 from 53 ratings, while Chord averages 4.8 from 81 ratings.

### Do Unlimited Math Problems or Chord have ads?

Neither Unlimited Math Problems nor Chord shows ads.

### Which is updated more often, Unlimited Math Problems or Chord?

Unlimited Math Problems ships an update every 3 weeks, and Chord every 4 weeks. Most recently, Unlimited Math Problems was updated on October 12, 2026 and Chord on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*