# INVA vs Redbox Invoice Maker

The clearest difference is in-app purchases: INVA at none against Redbox Invoice Maker's 2. Redbox Invoice Maker's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Redbox Invoice Maker sells 2 in-app purchases, starting at $1.99 per month. INVA asks for nothing beyond the download.

INVA ships an update every 2 months, Redbox Invoice Maker every 3 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | INVA | Redbox Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (123 ratings)](https://appshunter.io/ios/app/redbox-invoice-maker/id6747027833/reviews)** |
| Number of ratings | — | **123** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 89 MB | 15 MB |
| Requires iOS | **15.6** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Seang Senghoun](https://appshunter.io/developer/1652007343) | [OneWorld Information Technology Co., Ltd](https://appshunter.io/developer/1689176245) |

## What reviewers say

### INVA

[App page](https://appshunter.io/ios/app/inva/id6444162283)

**In-app purchases:** none


### Redbox Invoice Maker

[App page](https://appshunter.io/ios/app/redbox-invoice-maker/id6747027833)

Create and send professional invoices quickly from your mobile device. Manage customer history, add discounts and taxes, and track payments with ease. Offers beautiful templates and digital signature options for a polished look.

**Highlights:** Instant invoice creation, Professional PDF templates, Customer history management, Digital signature upload, Payment tracking, Multicurrency support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Redbox Invoice Monthly | $1.99 | per month |
| Redbox Invoice Yearly | $19.99 | per year |


## Frequently asked questions

### Is INVA free?

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

### Is Redbox Invoice Maker free?

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

### Do INVA or Redbox Invoice Maker have ads?

INVA shows ads; Redbox Invoice Maker does not.

### Which is updated more often, INVA or Redbox Invoice Maker?

INVA ships an update every 2 months, and Redbox Invoice Maker every 3 weeks. Most recently, INVA was updated on September 17, 2026 and Redbox Invoice Maker on September 23, 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.*