# InterFast vs Opalex Mobile

The clearest difference is iOS requirement: Opalex Mobile at 11.0 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, Opalex Mobile monthly. The most recent releases landed on October 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | InterFast | Opalex Mobile |
| --- | --- | --- |
| 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 | 22 MB |
| Requires iOS | 15 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Interfast](https://appshunter.io/developer/1536410981) | [ACD Groupe](https://appshunter.io/developer/1033556694) |

## 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


### Opalex Mobile

[App page](https://appshunter.io/ios/app/opalex-mobile/id6758104104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InterFast free?

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

### Is Opalex Mobile free?

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

### Do InterFast or Opalex Mobile have ads?

Neither InterFast nor Opalex Mobile shows ads.

### Which is updated more often, InterFast or Opalex Mobile?

InterFast ships an update every 2 weeks, and Opalex Mobile monthly. Most recently, InterFast was updated on October 3, 2026 and Opalex Mobile on September 21, 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.*