# e vs SubNote

The clearest difference is device support: e at 3 against SubNote's 1. e also leads on iOS requirement (15.1 vs 26.5). 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.

e ships an update every 3 weeks, SubNote monthly. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | e | SubNote |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 43 MB | 74 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Uyumsoft](https://appshunter.io/developer/1332641854) | [MUSTAFA CAN ERDEM](https://appshunter.io/developer/6784593566) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-uyum/id1489134985)

Manage electronic invoicing and shipping documents on your mobile device. Create, view, and track various types of e-invoices and e-waybills. Streamline your business's digital document processes with easy-to-use creation and listing screens.

**Highlights:** Create e-Fatura and e-Arşiv Fatura, Generate e-İrsaliye documents, Manage e-SMM and e-MM, View incoming and outgoing invoices, Track invoice statuses, Copy and share documents, Convert waybills to invoices

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

**In-app purchases:** none


### SubNote

[App page](https://appshunter.io/ios/app/subnote-subscription-tracker/id6789893716)

**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 SubNote free?

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

### Do e or SubNote have ads?

Neither e nor SubNote shows ads.

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

e ships an update every 3 weeks, and SubNote monthly. Most recently, e was updated on October 15, 2026 and SubNote 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.*