InterFast vs B
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Quotes, Invoices, Credit Notes
- Price Library
- Treasury & Bank Connection
- Scheduling
- Site & Intervention Management
- Client Management & Portal
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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
B
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B-Flow a pour objectif de faciliter la vie des ingénieurs et des ouvriers du BTP grâce à une application web et mobile de suivi de chantier et pointage du personnel. Avec une prise en main de moins de 30min de l'application mobile, gagnez jusqu’à 4h par jour pour générer des rapports, des formations et gérer les litiges mais aussi du contenu de formation et une estimation de votre impact carbone
Screenshots
Verdict
InterFast and B are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, B monthly. The most recent releases landed on October 3, 2026 and September 21, 2026 respectively.
| Parameter | InterFast | B |
|---|---|---|
| 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 — better | 15.1 |
| Further details — not scored | ||
| Size | 61 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Interfast | B-FLOW |
In-app purchases
InterFast
No in-app purchases
B
No in-app purchases
