# Batikal vs InterFast

The clearest difference is in-app purchases: InterFast at none against Batikal's 3. InterFast also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Batikal sells 3 in-app purchases, starting at $11.99 per month. InterFast asks for nothing beyond the download.

Batikal ships an update every 5 weeks, InterFast every 2 weeks. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Batikal | InterFast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 118 MB | 61 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FAHBE](https://appshunter.io/developer/955903736) | [Interfast](https://appshunter.io/developer/1536410981) |

## What reviewers say

### Batikal

[App page](https://appshunter.io/ios/app/batikal-calcul-du-batiment/id955903737)

This app provides professional users with precise calculation sheets for building projects. It helps in pre-sizing, optimizing renovations, selecting products, and calculating diameters and losses for hydraulic and gas systems directly on site.

**Highlights:** Instant project pre-sizing, Boiler room renovation optimization, Product selection for clients, Gas to power conversion, Hydraulic and gas pipe diameter calculation, Circulation pump loss calculation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement BatiKal Premium | $11.99 | per month |
| Abonnement BatiKal Premium | $14.49 | per 3 months |
| BatiKal Pro 1 an | $119.99 | per year |


### 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


## Frequently asked questions

### Is Batikal free?

Batikal is free to download, with in-app purchases available.

### Is InterFast free?

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

### Do Batikal or InterFast have ads?

Batikal shows ads; InterFast does not.

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

Batikal ships an update every 5 weeks, and InterFast every 2 weeks. Most recently, Batikal was updated on September 9, 2026 and InterFast on September 16, 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.*