# Function vs Wedding Vendor Payment Tracker

The clearest difference is in-app purchases: Function at none against Wedding Vendor Payment Tracker's 1. Function also leads on update cadence (every 3 days vs every 4 months) and iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Wedding Vendor Payment Tracker sells 1 one-off in-app purchase. Function asks for nothing beyond the download.

Function ships an update every 3 days, Wedding Vendor Payment Tracker every 4 months. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Function | Wedding Vendor Payment Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Size | 15 MB | 31 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kolej Technologies, Inc.](https://appshunter.io/developer/1627788805) | [Lilla Cimen-Herczegh](https://appshunter.io/developer/1890823573) |

## What reviewers say

### Function

[App page](https://appshunter.io/ios/app/function/id6450653686)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wedding Vendor Payment Tracker

[App page](https://appshunter.io/ios/app/wedding-vendor-payment-tracker/id6768668692)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wedding Vendor Tracker Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Function free?

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

### Is Wedding Vendor Payment Tracker free?

Wedding Vendor Payment Tracker is free to download, with in-app purchases available.

### Do Function or Wedding Vendor Payment Tracker have ads?

Neither Function nor Wedding Vendor Payment Tracker shows ads.

### Which is updated more often, Function or Wedding Vendor Payment Tracker?

Function ships an update every 3 days, and Wedding Vendor Payment Tracker every 4 months. Most recently, Function was updated on September 30, 2026 and Wedding Vendor Payment Tracker on October 5, 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.*