# Smart Convert vs Dozenal Calc

The clearest difference is in-app purchases: Dozenal Calc at none against Smart Convert's 1. Dozenal Calc also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). On price there is nothing between them.

Both are free to download. Smart Convert sells 1 one-off in-app purchase. Dozenal Calc asks for nothing beyond the download.

Smart Convert ships an update monthly, Dozenal Calc every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Smart Convert | Dozenal Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/smart-convert-base-converter/id6450381653/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 32 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [Eric Naville](https://appshunter.io/developer/6777149198) |

## What reviewers say

### Smart Convert

[App page](https://appshunter.io/ios/app/smart-convert-base-converter/id6450381653)

Easily switch numbers between various bases, from binary to base 62. Ideal for developers, students, and math enthusiasts needing quick and reliable conversions with fractional parts. Features include instant common base conversions, custom base support, and conversion history.

**Highlights:** Convert between bases 2 to 62, Quick mode for common bases, Custom mode for any base pair, Save and recall conversion history, Support for fractional numbers, Light and dark themes, Localized in 9 languages

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


### Dozenal Calc

[App page](https://appshunter.io/ios/app/dozenal-calc/id6777149196)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Smart Convert free?

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

### Is Dozenal Calc free?

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

### Do Smart Convert or Dozenal Calc have ads?

Smart Convert shows ads; Dozenal Calc does not.

### Which is updated more often, Smart Convert or Dozenal Calc?

Smart Convert ships an update monthly, and Dozenal Calc every 3 days. Most recently, Smart Convert was updated on October 24, 2026 and Dozenal Calc on October 24, 2026.

---

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