# Response vs Concrete Calculator Tools

The clearest difference is in-app purchases: Response at none against Concrete Calculator Tools's 4. Response also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price 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. Response asks for nothing beyond the download.

Response ships an update every 5 days, Concrete Calculator Tools every 2 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Response | Concrete Calculator Tools |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 39 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ECU=SHOP](https://appshunter.io/developer/1389703440) | [Peth Pty Ltd](https://appshunter.io/developer/662891650) |

## What reviewers say

### Response

[App page](https://appshunter.io/ios/app/response/id1481063226)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Response free?

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

### Is Concrete Calculator Tools free?

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

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

Concrete Calculator Tools shows ads; Response does not.

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

Response ships an update every 5 days, and Concrete Calculator Tools every 2 months. Most recently, Response was updated on October 8, 2026 and Concrete Calculator Tools on October 14, 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.*