# INSTANT CAP vs Nixie Calculator

The clearest difference is rating: Nixie Calculator at 4.9 against INSTANT CAP's 3.8. Nixie Calculator also leads on ratings volume (15 vs 4). INSTANT CAP's advantage is in-app purchases (none vs 1) and review sentiment (100% vs 67%). On price, ads and device support there is nothing between them.

Both are free to download. Nixie Calculator sells 1 one-off in-app purchase. INSTANT CAP asks for nothing beyond the download.

Nixie Calculator holds the better App Store score, 4.9 against 3.8. Both are backed by a comparable volume of ratings — 4 and 15 respectively. Written reviews complicate that: 100% of INSTANT CAP's written reviews are positive against 67% of Nixie Calculator's, so the app with the better star average is not the one people write more warmly about.

INSTANT CAP ships an update every 9 days, Nixie Calculator monthly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | INSTANT CAP | Nixie Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/instant-cap/id1396088186/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/nixie-calculator/id1489019109/reviews)** |
| Number of ratings | 4 | **15** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 36 MB |
| Requires iOS | **10.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luca Garbarino](https://appshunter.io/developer/1071475509) | [UNB SYSTEMS PTY LTD](https://appshunter.io/developer/1514057763) |

## What reviewers say

### INSTANT CAP

[App page](https://appshunter.io/ios/app/instant-cap/id1396088186)

This app allows you to quickly input addresses and postal codes using voice commands. Simply speak the address, and it will be entered for you, streamlining the process of data entry.

**Highlights:** Voice command activation, Siri integration, Hands-free keyboard microphone input, Quick address entry, Easy postal code input

**Features:** macOS Compatibility

**In-app purchases:** none


### Nixie Calculator

[App page](https://appshunter.io/ios/app/nixie-calculator/id1489019109)

This calculator app features a digital paper tape to display entries, which can be copied or shared. It offers various customization options like color schemes, rounding, and display modes, blending retro aesthetics with modern device technology.

**Highlights:** Paper tape for entry display, Copy and paste functionality, Customizable color schemes, Adjustable rounding and exponential modes, Classic Nixie font option, Thousand separator styles

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Color Layouts | $2.99 | one-time |


## Frequently asked questions

### Is INSTANT CAP free?

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

### Is Nixie Calculator free?

Nixie Calculator is free to download, with in-app purchases available.

### Which has better reviews, INSTANT CAP or Nixie Calculator?

Nixie Calculator is rated higher. INSTANT CAP averages 3.8 out of 5 from 4 ratings, while Nixie Calculator averages 4.9 from 15 ratings.

### Do INSTANT CAP or Nixie Calculator have ads?

Neither INSTANT CAP nor Nixie Calculator shows ads.

### Which is updated more often, INSTANT CAP or Nixie Calculator?

INSTANT CAP ships an update every 9 days, and Nixie Calculator monthly. Most recently, INSTANT CAP was updated on October 14, 2026 and Nixie Calculator on October 24, 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.*