# DueBy vs Invoice Plus

The clearest difference is iOS requirement: Invoice Plus at 15.1 against DueBy's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DueBy sells 3 in-app purchases, starting at $5.99 per 7 days and Invoice Plus sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

DueBy ships an update every 10 days, Invoice Plus every 5 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DueBy | Invoice Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (47 ratings)](https://appshunter.io/ios/app/dueby-invoice-maker/id6742449153/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 13 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CREATIVE TECHNOLOGIES LLC](https://appshunter.io/developer/1440323598) | [Jeffrey Lyon](https://appshunter.io/developer/1878308865) |

## What reviewers say

### DueBy

[App page](https://appshunter.io/ios/app/dueby-invoice-maker/id6742449153)

Create professional invoices quickly and efficiently from your phone. Manage client details, track payment statuses, and generate financial reports. Customize templates and support multiple currencies for global business.

**Highlights:** Create invoices in seconds, Share invoices via email/messaging, Monitor invoice statuses, Customize invoice templates, Generate financial reports, Multi-currency support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Premium | $5.99 | per 7 days |
| Invoice Premium | $17.99 | per month |
| Invoice Premium | $69.99 | per year |


### Invoice Plus

[App page](https://appshunter.io/ios/app/invoice-plus/id6759363305)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Business Monthly | $19.99 | per month |


## Frequently asked questions

### Is DueBy free?

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

### Is Invoice Plus free?

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

### Do DueBy or Invoice Plus have ads?

Neither DueBy nor Invoice Plus shows ads.

### Which is updated more often, DueBy or Invoice Plus?

DueBy ships an update every 10 days, and Invoice Plus every 5 days. Most recently, DueBy was updated on October 7, 2026 and Invoice Plus on September 25, 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.*