# QL One vs E

The clearest difference is update cadence: QL One at fortnightly against E's every 4 months. 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, E every 4 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | QL One | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 122 MB | 58 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quantum Leap Learning Solution](https://appshunter.io/developer/1770245787) | [E-Management Services LLC](https://appshunter.io/developer/1208154529) |

## 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


### E

[App page](https://appshunter.io/ios/app/e-transport-for-pod/id6772974644)

**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 E free?

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

### Do QL One or E have ads?

Neither QL One nor E shows ads.

### Which is updated more often, QL One or E?

QL One ships an update fortnightly, and E every 4 months. Most recently, QL One was updated on October 6, 2026 and E on October 2, 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.*