# Concrete Calculator Pro. vs Dictionary 2.0

The clearest difference is ads: Concrete Calculator Pro. at none against Dictionary 2.0's shown. Dictionary 2.0's advantage is update cadence (daily vs every 6 weeks) and iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Concrete Calculator Pro. sells 1 one-off in-app purchase and Dictionary 2.0 sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Concrete Calculator Pro. ships an update every 6 weeks, Dictionary 2.0 daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Concrete Calculator Pro. | Dictionary 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 10 MB | 23 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cederic Schmid](https://appshunter.io/developer/1833020611) | [Sung Wook Kim](https://appshunter.io/developer/1879486332) |

## What reviewers say

### Concrete Calculator Pro.

[App page](https://appshunter.io/ios/app/concrete-calculator-pro/id6749963303)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $3.99 | one-time |


### Dictionary 2.0

[App page](https://appshunter.io/ios/app/dictionary-20/id6759556486)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per month |
| Search 100-Pack | $0.99 | one-time |


## Frequently asked questions

### Is Concrete Calculator Pro. free?

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

### Is Dictionary 2.0 free?

Dictionary 2.0 is free to download, with in-app purchases available.

### Do Concrete Calculator Pro. or Dictionary 2.0 have ads?

Dictionary 2.0 shows ads; Concrete Calculator Pro. does not.

### Which is updated more often, Concrete Calculator Pro. or Dictionary 2.0?

Concrete Calculator Pro. ships an update every 6 weeks, and Dictionary 2.0 daily. Most recently, Concrete Calculator Pro. was updated on October 30, 2026 and Dictionary 2.0 on October 31, 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.*