# Smartlink vs Fast Simple Invoice Maker

The clearest difference is in-app purchases: Smartlink at none against Fast Simple Invoice Maker's 4. Smartlink also leads on iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fast Simple Invoice Maker sells 4 one-off in-app purchases. Smartlink asks for nothing beyond the download.

Smartlink ships an update every 2 weeks, Fast Simple Invoice Maker fortnightly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smartlink | Fast Simple Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 104 MB | 11 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ness Corporation Pty. Limited](https://appshunter.io/developer/423320418) | [Eric Savoie](https://appshunter.io/developer/1695096773) |

## What reviewers say

### Smartlink

[App page](https://appshunter.io/ios/app/smartlink/id1488873180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast Simple Invoice Maker

[App page](https://appshunter.io/ios/app/fast-simple-invoice-maker/id6752559476)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midnight Theme | $0.49 | one-time |
| Forest Theme | $0.49 | one-time |
| Warm Paper Theme | $0.49 | one-time |
| Theme - Ocean | $0.49 | one-time |


## Frequently asked questions

### Is Smartlink free?

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

### Is Fast Simple Invoice Maker free?

Fast Simple Invoice Maker is free to download, with in-app purchases available.

### Do Smartlink or Fast Simple Invoice Maker have ads?

Neither Smartlink nor Fast Simple Invoice Maker shows ads.

### Which is updated more often, Smartlink or Fast Simple Invoice Maker?

Smartlink ships an update every 2 weeks, and Fast Simple Invoice Maker fortnightly. Most recently, Smartlink was updated on October 7, 2026 and Fast Simple Invoice Maker on October 9, 2026.

---

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