# JTEKT ShareBoard vs Dev Calc

The clearest difference is in-app purchases: JTEKT ShareBoard at none against Dev Calc's 1. JTEKT ShareBoard also leads on ads (none vs shown). Dev Calc's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Dev Calc sells 1 in-app purchase, starting at $1.99 per month. JTEKT ShareBoard asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JTEKT ShareBoard | Dev Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (2 ratings)](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 51 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JTEKT CORPORATION](https://appshunter.io/developer/1349080826) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### JTEKT ShareBoard

[App page](https://appshunter.io/ios/app/jtekt-shareboard/id1545319791)

**Features:** Vision Pro support

**In-app purchases:** none


### Dev Calc

[App page](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219)

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

**Highlights:** Numeric conversion (Bin, Oct, Dec, Hex), Signed/Unsigned options, Adjustable bit sizes (8, 16, 32, 64), RGB, HSL, HSV color code generation, Color picker, Preset color options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is JTEKT ShareBoard free?

JTEKT ShareBoard is free to download, with no in-app purchases.

### Is Dev Calc free?

Dev Calc is free to download, with in-app purchases available.

### Do JTEKT ShareBoard or Dev Calc have ads?

Dev Calc shows ads; JTEKT ShareBoard does not.

### Which is updated more often, JTEKT ShareBoard or Dev Calc?

JTEKT ShareBoard ships an update every 2 months, and Dev Calc every 2 months. Most recently, JTEKT ShareBoard was updated on October 3, 2026 and Dev Calc on October 7, 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.*