Comparison

InterFast vs Opalex Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

InterFast

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

Read full description

La solution la plus simple et la plus complète qui s'adapte à chaque métier du bâtiment. Plus besoin de payer plusieurs outils, place au tout-en-un ! - Devis · Facture · Avoir - Bibliothèque de prix - Nouveau : Trésorerie et connexion bancaire - Planification - Gestion Chantiers · Maintenances · Interventions - Gestion des clients · Portail client

About

Opalex Mobile

Features

Read full description

Grâce l'application OPALEX Mobile, retrouvez tout le portail collaboratif avec votre cabinet d'expertise comptable afin de fluidifier nos échanges et se concentrer sur ce qui compte vraiment.

Screenshots

InterFast4 screens

Opalex Mobile4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

InterFast ships an update every 2 weeks, Opalex Mobile monthly. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 7 level

InterFast versus Opalex Mobile: the parameters behind the verdict, then further details
Parameter	InterFast	Opalex Mobile
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 2 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15	11.0 — better
Further details — not scored
Size	61 MB	22 MB
Age rating	4+	4+
Developer	Interfast	ACD Groupe

In-app purchases

None

InterFast

No in-app purchases

None

Opalex Mobile

No in-app purchases

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 September 16, 2026 and Opalex Mobile on September 21, 2026.