# e vs Invan Mobile

The clearest difference is device support: Invan Mobile at 3 against e's 1. Invan Mobile also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 18, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | e | Invan Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 85 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Center for Research in Perspective Technologies - Armenia LLC](https://appshunter.io/developer/1706506047) | [Murodjon Tursunov](https://appshunter.io/developer/1609767262) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-mark-invoice/id6749265246)

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

**In-app purchases:** none


### Invan Mobile

[App page](https://appshunter.io/ios/app/invan-mobile/id6749793383)

**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 Invan Mobile free?

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

### Do e or Invan Mobile have ads?

Neither e nor Invan Mobile shows ads.

### Which is updated more often, e or Invan Mobile?

e ships an update every 3 weeks, and Invan Mobile every 3 weeks. Most recently, e was updated on September 18, 2026 and Invan Mobile on September 2, 2026.

---

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