# Smart Convert vs Techno Math

The clearest difference is in-app purchases: Techno Math at none against Smart Convert's 1. Techno Math also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Smart Convert ships an update every 3 weeks, Techno Math monthly. The most recent releases landed on September 22, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | Smart Convert | Techno Math |
| --- | --- | --- |
| 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 | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 12 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [Ali Hodroj](https://appshunter.io/developer/1808938985) |

## 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

**In-app purchases (1)**

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


### Techno Math

[App page](https://appshunter.io/ios/app/techno-math/id6744694567)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Convert free?

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

### Is Techno Math free?

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

### Do Smart Convert or Techno Math have ads?

Smart Convert shows ads; Techno Math does not.

### Which is updated more often, Smart Convert or Techno Math?

Smart Convert ships an update every 3 weeks, and Techno Math monthly. Most recently, Smart Convert was updated on September 22, 2026 and Techno Math on February 23, 2026.

---

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