# Vilter Select Lite vs Slab

The clearest difference is price: Vilter Select Lite at Free against Slab's $2.99. Vilter Select Lite also leads on in-app purchases (none vs 1) and device support (3 vs 1). Slab's advantage is rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 9 months). On ads there is nothing between them.

Vilter Select Lite is free to download; Slab costs $2.99 up front. Slab sells 1 one-off in-app purchase. Vilter Select Lite asks for nothing beyond the download.

Slab holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Vilter Select Lite ships an update every 9 months, Slab every 2 weeks. The most recent releases landed on October 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Vilter Select Lite | Slab |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/vilter-select-lite/id1093525035/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/slab-concrete-calculator/id6785225633/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#185** |
| Size | 60 MB | 2 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [Laure Shin](https://appshunter.io/developer/6785226025) |

## What reviewers say

### Vilter Select Lite

[App page](https://appshunter.io/ios/app/vilter-select-lite/id1093525035)

Access your projects and compressor ratings offline with this utility app. Seamlessly sync files between your device and the cloud when an internet connection is available.

**Highlights:** Offline project access, Compressor ratings, Cloud file syncing, On-the-go project management

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

**In-app purchases:** none


### Slab

[App page](https://appshunter.io/ios/app/slab-concrete-calculator/id6785225633)

**Currently charting:** #185 Top Paid · Utilities (US App Store)

Calculate concrete, rebar, and other construction material needs and costs offline. Get precise measurements in feet-inches or metric, with options for bag counts, ready-mix, and tonnage. Generate professional quotes for clients or suppliers.

**Highlights:** Material quantity estimation (concrete, rebar, block, gravel), Cost calculation with unit pricing, Support for feet-inches and metric units, Offline functionality, Saved project management, PDF and text quote export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slab Pro | $4.99 | one-time |


## Frequently asked questions

### Is Vilter Select Lite free?

Vilter Select Lite is free to download, with no in-app purchases.

### Is Slab free?

Slab costs $2.99, and also offers in-app purchases.

### Which has better reviews, Vilter Select Lite or Slab?

Slab is rated higher. Vilter Select Lite averages 1.0 out of 5 from 1 ratings, while Slab averages 5.0 from 3 ratings.

### Do Vilter Select Lite or Slab have ads?

Neither Vilter Select Lite nor Slab shows ads.

### Which is updated more often, Vilter Select Lite or Slab?

Vilter Select Lite ships an update every 9 months, and Slab every 2 weeks. Most recently, Vilter Select Lite was updated on October 21, 2026 and Slab 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.*