# Function vs Wedding Planner Budget

The clearest difference is in-app purchases: Function at none against Wedding Planner Budget's 1. Function also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (13.0 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Wedding Planner Budget sells 1 in-app purchase, starting at $4.99 per month. Function asks for nothing beyond the download.

Function ships an update every 3 days, Wedding Planner Budget every 5 weeks. The most recent releases landed on September 12, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Function | Wedding Planner Budget |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 15 MB | 5 MB |
| Requires iOS | **13.0** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kolej Technologies, Inc.](https://appshunter.io/developer/1627788805) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### Function

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Wedding Planner Budget

[App page](https://appshunter.io/ios/app/wedding-planner-budget-aisle/id6760323550)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aisle Pro Monthly | $4.99 | per month |


## Frequently asked questions

### Is Function free?

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

### Is Wedding Planner Budget free?

Wedding Planner Budget is free to download, with in-app purchases available.

### Do Function or Wedding Planner Budget have ads?

Neither Function nor Wedding Planner Budget shows ads.

### Which is updated more often, Function or Wedding Planner Budget?

Function ships an update every 3 days, and Wedding Planner Budget every 5 weeks. Most recently, Function was updated on September 12, 2026 and Wedding Planner Budget on September 28, 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.*