# Concrete Calculator Tools vs SiloSure

The clearest difference is in-app purchases: SiloSure at none against Concrete Calculator Tools's 4. SiloSure also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Concrete Calculator Tools sells 4 in-app purchases, starting at $3.99 per 7 days. SiloSure asks for nothing beyond the download.

Concrete Calculator Tools ships an update every 2 months, SiloSure every 3 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Concrete Calculator Tools | SiloSure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (51 ratings)](https://appshunter.io/ios/app/concrete-calculator-tools/id6741408557/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 31 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peth Pty Ltd](https://appshunter.io/developer/662891650) | [IoT Ventures Ltd](https://appshunter.io/developer/1435022448) |

## What reviewers say

### Concrete Calculator Tools

[App page](https://appshunter.io/ios/app/concrete-calculator-tools/id6741408557)

This app simplifies concrete volume calculations for professionals and DIYers. It offers flexible unit support and a free rectangular slab calculator, with advanced features available via subscription.

**Highlights:** Flexible unit support (metric/imperial), Rectangular slab calculator (free), Circular slab calculator, Circular column calculator, Post hole calculator, Slab from area calculator

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $3.99 | per 7 days |
| Monthly Pro | $5.99 | per month |
| Annual Pro | $19.99 | per year |
| One-Time Purchase | $85.00 | one-time |


### SiloSure

[App page](https://appshunter.io/ios/app/silosure/id6746776227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concrete Calculator Tools free?

Concrete Calculator Tools is free to download, with in-app purchases available.

### Is SiloSure free?

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

### Do Concrete Calculator Tools or SiloSure have ads?

Concrete Calculator Tools shows ads; SiloSure does not.

### Which is updated more often, Concrete Calculator Tools or SiloSure?

Concrete Calculator Tools ships an update every 2 months, and SiloSure every 3 months. Most recently, Concrete Calculator Tools was updated on November 4, 2026 and SiloSure on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*