# Klorah vs UDBK

The clearest difference is in-app purchases: UDBK at none against Klorah's 2. Klorah's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Klorah sells 2 in-app purchases, starting at $17.00 per month. UDBK asks for nothing beyond the download.

Klorah ships an update weekly, UDBK every 2 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Klorah | UDBK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/klorah/id6478724132/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 33 MB | 100 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Klorah, Inc](https://appshunter.io/developer/1733768188) | [US Development Bank, Inc.](https://appshunter.io/developer/1829900709) |

## What reviewers say

### Klorah

[App page](https://appshunter.io/ios/app/klorah/id6478724132)

Generate professional invoices and client agreements quickly using AI. Send invoices as shareable links and streamline the signature collection process for your business.

**Highlights:** AI-generated client agreements, Quick invoice creation, Shareable invoice links, Signature collection, Professional document generation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klorah Pro Annual | $17.00 | per month |
| Klorah Pro Annual | $143.99 | per year |


### UDBK

[App page](https://appshunter.io/ios/app/udbk/id6749298389)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klorah free?

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

### Is UDBK free?

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

### Do Klorah or UDBK have ads?

Neither Klorah nor UDBK shows ads.

### Which is updated more often, Klorah or UDBK?

Klorah ships an update weekly, and UDBK every 2 weeks. Most recently, Klorah was updated on October 6, 2026 and UDBK on October 1, 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.*