# NerdCalc vs PRO type

The clearest difference is in-app purchases: NerdCalc at none against PRO type's 5. PRO type's advantage is update cadence (every 9 months vs every 19 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. PRO type sells 5 one-off in-app purchases. NerdCalc asks for nothing beyond the download.

NerdCalc ships an update every 19 months, PRO type every 9 months. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NerdCalc | PRO type |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews)** | — |
| Number of ratings | **183** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 9 months** |
| Monetization | Free | — |
| Size | 0 MB | 4 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

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

**In-app purchases:** none


### PRO type

[App page](https://appshunter.io/ios/app/pro-type-v-fireplus/id1328424681)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GROM JC75 | $3.99 | one-time |
| CYGNUS-X SED8J | $3.99 | one-time |
| CYGNUS-X SEA5J | $3.99 | one-time |
| GROM JC61 | $3.99 | one-time |
| GSX-R125 DL33B/S125 DL32B | $3.99 | one-time |


## Frequently asked questions

### Is NerdCalc free?

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

### Is PRO type free?

PRO type is free to download, with in-app purchases available.

### Do NerdCalc or PRO type have ads?

Neither NerdCalc nor PRO type shows ads.

### Which is updated more often, NerdCalc or PRO type?

NerdCalc ships an update every 19 months, and PRO type every 9 months. Most recently, NerdCalc was updated on October 9, 2026 and PRO type on September 30, 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.*