# Invoice OCR vs rSign by Cencert

The clearest difference is iOS requirement: Invoice OCR at 11.0 against rSign by Cencert's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invoice OCR ships an update every 3 weeks, rSign by Cencert every 2 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Invoice OCR | rSign by Cencert |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 27 MB | 61 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Primesoft Polska Sp. z o. o.](https://appshunter.io/developer/989168838) | [Enigma SOI](https://appshunter.io/developer/965786000) |

## What reviewers say

### Invoice OCR

[App page](https://appshunter.io/ios/app/invoice-ocr/id1478849472)

**In-app purchases:** none


### rSign by Cencert

[App page](https://appshunter.io/ios/app/rsign-by-cencert/id1549928034)

This app replaces physical signature cards and readers for placing qualified electronic signatures. It allows you to sign documents on any computer without needing specialized hardware, ensuring you never forget your signature card again.

**Highlights:** Qualified electronic signature placement, Replaces physical signature cards, Eliminates need for card readers, Sign on any computer, Convenient document signing

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

**In-app purchases:** none


## Frequently asked questions

### Is Invoice OCR free?

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

### Is rSign by Cencert free?

rSign by Cencert is free to download, with no in-app purchases.

### Do Invoice OCR or rSign by Cencert have ads?

Neither Invoice OCR nor rSign by Cencert shows ads.

### Which is updated more often, Invoice OCR or rSign by Cencert?

Invoice OCR ships an update every 3 weeks, and rSign by Cencert every 2 weeks. Most recently, Invoice OCR was updated on October 2, 2026 and rSign by Cencert on October 11, 2026.

---

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