# Ekey Smart Key vs Best Invoice

The clearest difference is update cadence: Best Invoice at every 2 days against Ekey Smart Key'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.

Ekey Smart Key ships an update every 4 months, Best Invoice every 2 days. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Ekey Smart Key | Best Invoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/best-invoice/id6736941437/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 78 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lightwavetechnology](https://appshunter.io/developer/1180167110) | [Ionut Ciochia](https://appshunter.io/developer/1773954858) |

## What reviewers say

### Ekey Smart Key

[App page](https://appshunter.io/ios/app/ekey-smart-key/id1546279214)

**Features:** macOS Compatibility

**In-app purchases:** none


### Best Invoice

[App page](https://appshunter.io/ios/app/best-invoice/id6736941437)

Generate, organize, and dispatch professional invoices with ease. Designed for freelancers and small businesses, this tool helps you streamline your billing and accelerate payments. Access your financial documents from any location.

**Highlights:** Professional invoice creation, Invoice management, Send invoices, Get paid faster, Access anywhere, anytime, Stay organized

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ekey Smart Key free?

Ekey Smart Key is free to download, with no in-app purchases.

### Is Best Invoice free?

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

### Do Ekey Smart Key or Best Invoice have ads?

Neither Ekey Smart Key nor Best Invoice shows ads.

### Which is updated more often, Ekey Smart Key or Best Invoice?

Ekey Smart Key ships an update every 4 months, and Best Invoice every 2 days. Most recently, Ekey Smart Key was updated on October 25, 2026 and Best Invoice on October 20, 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.*