# Base Conversion AI Calculator vs Signed Base Converter

The clearest difference is in-app purchases: Signed Base Converter at none against Base Conversion AI Calculator's 2. Signed Base Converter also leads on update cadence (fortnightly vs every 2 months). Base Conversion AI Calculator's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Base Conversion AI Calculator sells 2 in-app purchases, starting at $4.99 per 7 days. Signed Base Converter asks for nothing beyond the download.

Base Conversion AI Calculator ships an update every 2 months, Signed Base Converter fortnightly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Base Conversion AI Calculator | Signed Base Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 123 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### Base Conversion AI Calculator

[App page](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Base Conversion Weekly | $4.99 | per 7 days |
| PRO Base Conversion Yearly | $24.99 | per year |


### Signed Base Converter

[App page](https://appshunter.io/ios/app/signed-base-converter/id6779268811)

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

**In-app purchases:** none


## Frequently asked questions

### Is Base Conversion AI Calculator free?

Base Conversion AI Calculator is free to download, with in-app purchases available.

### Is Signed Base Converter free?

Signed Base Converter is free to download, with no in-app purchases.

### Do Base Conversion AI Calculator or Signed Base Converter have ads?

Both Base Conversion AI Calculator and Signed Base Converter show ads.

### Which is updated more often, Base Conversion AI Calculator or Signed Base Converter?

Base Conversion AI Calculator ships an update every 2 months, and Signed Base Converter fortnightly. Most recently, Base Conversion AI Calculator was updated on October 13, 2026 and Signed Base Converter on October 16, 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.*