# LIMSTAR vs CalculatorX

LIMSTAR and CalculatorX are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. LIMSTAR sells 1 one-off in-app purchase and CalculatorX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LIMSTAR ships an update weekly, CalculatorX every 6 days. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | LIMSTAR | CalculatorX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/calculatorx-smartcustomize/id6755351007/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 92.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free |
| Size | 20 MB | 12 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [羽 唐](https://appshunter.io/developer/1734231509) | [学良 靳](https://appshunter.io/developer/1791452413) |

## What reviewers say

### LIMSTAR

[App page](https://appshunter.io/ios/app/limstar/id6745580960)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIMSATR Life Member | $0.99 | one-time |


### CalculatorX

[App page](https://appshunter.io/ios/app/calculatorx-smartcustomize/id6755351007)

A fast and customizable calculator app that allows users to personalize themes, button styles, and view calculation history in real-time. Offers various display options and sound feedback for an enhanced user experience.

**Highlights:** Real-time calculation history, Customizable button colors and shapes, Multiple themes and light/dark modes, Decimal precision control, Exportable calculation history, Sound effects and voice feedback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is LIMSTAR free?

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

### Is CalculatorX free?

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

### Do LIMSTAR or CalculatorX have ads?

Neither LIMSTAR nor CalculatorX shows ads.

### Which is updated more often, LIMSTAR or CalculatorX?

LIMSTAR ships an update weekly, and CalculatorX every 6 days. Most recently, LIMSTAR was updated on September 29, 2026 and CalculatorX on October 12, 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.*