# QL One vs xTrac AI

The clearest difference is update cadence: xTrac AI at every 3 days against QL One's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

QL One ships an update fortnightly, xTrac AI every 3 days. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | QL One | xTrac AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 122 MB | 50 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quantum Leap Learning Solution](https://appshunter.io/developer/1770245787) | [Seetharaman Kannan](https://appshunter.io/developer/1875918608) |

## What reviewers say

### QL One

[App page](https://appshunter.io/ios/app/ql-one/id6714464664)

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

**In-app purchases:** none


### xTrac AI

[App page](https://appshunter.io/ios/app/xtrac-ai/id6758947602)

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

**In-app purchases:** none


## Frequently asked questions

### Is QL One free?

QL One is free to download, with no in-app purchases.

### Is xTrac AI free?

xTrac AI is free to download, with no in-app purchases.

### Do QL One or xTrac AI have ads?

Neither QL One nor xTrac AI shows ads.

### Which is updated more often, QL One or xTrac AI?

QL One ships an update fortnightly, and xTrac AI every 3 days. Most recently, QL One was updated on October 30, 2026 and xTrac AI on October 15, 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.*