# Smart Construction Tools vs Stamp Wallpaper

The clearest difference is iOS requirement: Stamp Wallpaper at 16.0 against Smart Construction Tools's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Construction Tools sells 3 in-app purchases, starting at $2.99 per month and Stamp Wallpaper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Smart Construction Tools ships an update every 2 weeks, Stamp Wallpaper every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart Construction Tools | Stamp Wallpaper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 72.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 1 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrii Gorbachev](https://appshunter.io/developer/1565707272) | [Sasai Hiroki](https://appshunter.io/developer/1757741729) |

## What reviewers say

### Smart Construction Tools

[App page](https://appshunter.io/ios/app/smart-construction-tools/id1565936353)

This construction calculator app helps builders estimate materials and volumes for various projects, including foundations, walls, roofs, and earthworks. It features a unit converter and detailed calculations for concrete, rebar, lumber, and more, aiding in material purchasing and project planning.

**Highlights:** Foundation calculations (slab, strip, circular, etc.), Wall material estimation (brick, block, insulation), Roofing material calculations, Lumber and timber calculations, Metal structure calculations, Earthwork volume estimation, Unit conversion tool

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Six months | $17.99 | per 6 months |
| Yearly | $29.99 | per year |


### Stamp Wallpaper

[App page](https://appshunter.io/ios/app/stamp-wallpaper/id6756425600)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is Smart Construction Tools free?

Smart Construction Tools is free to download, with in-app purchases available.

### Is Stamp Wallpaper free?

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

### Do Smart Construction Tools or Stamp Wallpaper have ads?

Neither Smart Construction Tools nor Stamp Wallpaper shows ads.

### Which is updated more often, Smart Construction Tools or Stamp Wallpaper?

Smart Construction Tools ships an update every 2 weeks, and Stamp Wallpaper every 10 days. Most recently, Smart Construction Tools was updated on October 30, 2026 and Stamp Wallpaper on October 25, 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.*