# Letinnet POS vs Invoice Maker

The clearest difference is in-app purchases: Letinnet POS at none against Invoice Maker's 3. Letinnet POS also leads on ads (none vs shown). Invoice Maker's advantage is update cadence (every 5 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Maker sells 3 in-app purchases, starting at $9.99 per 7 days. Letinnet POS asks for nothing beyond the download.

Letinnet POS ships an update every 3 weeks, Invoice Maker every 5 days. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Letinnet POS | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 45 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LETINNET PRIVATE LIMITED](https://appshunter.io/developer/1634369009) | [METKO LABS BILISIM ITHALAT VE IHRACAT TICARET LIMITED SIRKETI](https://appshunter.io/developer/1671640855) |

## What reviewers say

### Letinnet POS

[App page](https://appshunter.io/ios/app/letinnet-pos/id6451147746)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimates/id6753343850)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Generator | $9.99 | per 7 days |
| Invoice Generator | $29.99 | per month |
| Invoice Generator | $59.99 | per year |


## Frequently asked questions

### Is Letinnet POS free?

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

### Is Invoice Maker free?

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

### Do Letinnet POS or Invoice Maker have ads?

Invoice Maker shows ads; Letinnet POS does not.

### Which is updated more often, Letinnet POS or Invoice Maker?

Letinnet POS ships an update every 3 weeks, and Invoice Maker every 5 days. Most recently, Letinnet POS was updated on October 8, 2026 and Invoice Maker on October 13, 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.*