# UNDSS PSA Tool vs InvoicePro

The clearest difference is update cadence: InvoicePro at every 9 days against UNDSS PSA Tool's monthly. 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.

UNDSS PSA Tool ships an update monthly, InvoicePro every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UNDSS PSA Tool | InvoicePro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 44 MB | 23 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United Nations (OICT)](https://appshunter.io/developer/1497238457) | [AVIJIT AKASH](https://appshunter.io/developer/1305063314) |

## What reviewers say

### UNDSS PSA Tool

[App page](https://appshunter.io/ios/app/undss-psa-tool/id6456453850)

**In-app purchases:** none


### InvoicePro

[App page](https://appshunter.io/ios/app/invoicepro-smart-invoicing/id6775387548)

Create professional, GST-ready invoices quickly and track payments easily. This app helps freelancers and small businesses manage billing, schedule recurring invoices, and view business analytics. Securely manage your finances from your iPhone.

**Highlights:** GST-compliant invoice creation, Payment tracking (Paid, Pending, Overdue), Scheduled recurring invoices, Business revenue analytics, Face ID security, Multiple invoice templates

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

**In-app purchases:** none


## Frequently asked questions

### Is UNDSS PSA Tool free?

UNDSS PSA Tool is free to download, with no in-app purchases.

### Is InvoicePro free?

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

### Do UNDSS PSA Tool or InvoicePro have ads?

Neither UNDSS PSA Tool nor InvoicePro shows ads.

### Which is updated more often, UNDSS PSA Tool or InvoicePro?

UNDSS PSA Tool ships an update monthly, and InvoicePro every 9 days. Most recently, UNDSS PSA Tool was updated on November 3, 2026 and InvoicePro on October 31, 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.*