# lemma vs Quantrack

The clearest difference is device support: lemma at 3 against Quantrack's 1. lemma also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. lemma sells 3 in-app purchases, starting at $6.99 per 7 days and Quantrack sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for lemma against 5.0 for Quantrack. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

lemma ships an update every 3 days, Quantrack every 2 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | lemma | Quantrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lemma-comp-math-trainer/id6770669166/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/quantrack-mental-math/id6814322263/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Roger You](https://appshunter.io/developer/1804598101) | [ALTON BANUSHI](https://appshunter.io/developer/6814322265) |

## What reviewers say

### lemma

[App page](https://appshunter.io/ios/app/lemma-comp-math-trainer/id6770669166)

This app provides focused, daily practice for quantitative interviews, featuring timed sprints of math and probability problems. It tracks your skill across disciplines with adaptive difficulty and offers hints and solutions to help you improve. Designed for those preparing for trading firm interviews or seeking to build a quantitative thinking habit.

**Highlights:** Daily timed problem sprints, Per-category ELO skill tracking, Adaptive difficulty, Hints and step-through solutions, Streaks, XP, and achievements, Leaderboard

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lemma Premium | $6.99 | per 7 days |
| Lemma Premium | $9.99 | per month |
| Lemma Premium | $59.99 | per year |


### Quantrack

[App page](https://appshunter.io/ios/app/quantrack-mental-math/id6814322263)

This app provides focused drills for mental math, essential for quant and prop-trading interviews. It features a custom number pad for speed, tracks accuracy and progress, and offers daily streaks to build a consistent practice habit.

**Highlights:** Eight core math modes, Custom number pad for fast entry, Instant feedback and haptics, Accuracy and speed tracking, Daily streaks and progress stats, Quant interview specific modes (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantrack Pro Monthly | $7.99 | per month |
| Quantrack Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is lemma free?

lemma is free to download, with in-app purchases available.

### Is Quantrack free?

Quantrack is free to download, with in-app purchases available.

### Which has better reviews, lemma or Quantrack?

lemma and Quantrack are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do lemma or Quantrack have ads?

Neither lemma nor Quantrack shows ads.

### Which is updated more often, lemma or Quantrack?

lemma ships an update every 3 days, and Quantrack every 2 days. Most recently, lemma was updated on October 12, 2026 and Quantrack on October 9, 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.*