# Invoice Maker Plus vs Odin IoT

The clearest difference is update cadence: Odin IoT at every 5 months against Invoice Maker Plus's every 20 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.

Invoice Maker Plus ships an update every 20 months, Odin IoT every 5 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Invoice Maker Plus | Odin IoT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 months** |
| Size | 9 MB | 74 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IWT SOFTWARE LABS LLC](https://appshunter.io/developer/415593788) | [Jendamark Automation (PTY) LTD](https://appshunter.io/developer/1537124704) |

## What reviewers say

### Invoice Maker Plus

[App page](https://appshunter.io/ios/app/invoice-maker-plus/id1642026562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Odin IoT

[App page](https://appshunter.io/ios/app/odin-iot/id6446244884)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Maker Plus free?

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

### Is Odin IoT free?

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

### Do Invoice Maker Plus or Odin IoT have ads?

Neither Invoice Maker Plus nor Odin IoT shows ads.

### Which is updated more often, Invoice Maker Plus or Odin IoT?

Invoice Maker Plus ships an update every 20 months, and Odin IoT every 5 months. Most recently, Invoice Maker Plus was updated on October 7, 2026 and Odin IoT on October 10, 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.*