# InterFast vs WinOBat

The clearest difference is iOS requirement: WinOBat at 12.0 against InterFast's 15. 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.

InterFast ships an update every 2 weeks, WinOBat monthly. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | InterFast | WinOBat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 61 MB | 47 MB |
| Requires iOS | 15 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interfast](https://appshunter.io/developer/1536410981) | [Ugo Druaux](https://appshunter.io/developer/1837681525) |

## What reviewers say

### InterFast

[App page](https://appshunter.io/ios/app/interfast/id1536410979)

This all-in-one construction app simplifies business management with tools for quotes, invoices, and client portals. It offers features for project planning, site management, and financial tracking, including bank connections.

**Highlights:** Quotes, Invoices, Credit Notes, Price Library, Treasury & Bank Connection, Scheduling, Site & Intervention Management, Client Management & Portal

**Features:** Vision Pro support

**In-app purchases:** none


### WinOBat

[App page](https://appshunter.io/ios/app/winobat/id6759798526)

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

**In-app purchases:** none


## Frequently asked questions

### Is InterFast free?

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

### Is WinOBat free?

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

### Do InterFast or WinOBat have ads?

Neither InterFast nor WinOBat shows ads.

### Which is updated more often, InterFast or WinOBat?

InterFast ships an update every 2 weeks, and WinOBat monthly. Most recently, InterFast was updated on October 3, 2026 and WinOBat 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.*