# e vs Ordersbook

The clearest difference is update cadence: Ordersbook at fortnightly against e's every 2 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.

e ships an update every 2 months, Ordersbook fortnightly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | e | Ordersbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 46 MB | 41 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Center for Research in Perspective Technologies - Armenia LLC](https://appshunter.io/developer/1706506047) | [Ubicross LLC](https://appshunter.io/developer/1483941323) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-mark-business/id6741844316)

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

**In-app purchases:** none


### Ordersbook

[App page](https://appshunter.io/ios/app/ordersbook/id6742442436)

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Ordersbook free?

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

### Do e or Ordersbook have ads?

Neither e nor Ordersbook shows ads.

### Which is updated more often, e or Ordersbook?

e ships an update every 2 months, and Ordersbook fortnightly. Most recently, e was updated on September 17, 2026 and Ordersbook on September 9, 2026.

---

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