# Calzy vs ASPIN App

The clearest difference is price: ASPIN App at Free against Calzy's $1.99. ASPIN App also leads on in-app purchases (none vs 3) and iOS requirement (15.6 vs 26.0). Calzy's advantage is update cadence (every 2 days vs every 3 weeks) and chart position (#101 vs unranked). On ads and device support there is nothing between them.

ASPIN App is free to download; Calzy costs $1.99 up front. Calzy sells 3 one-off in-app purchases. ASPIN App asks for nothing beyond the download.

Calzy ships an update every 2 days, ASPIN App every 3 weeks. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Calzy | ASPIN App |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/calzy/id623690732/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 76.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Paid | — |
| Best chart rank | **#101** | — |
| Size | 66 MB | 53 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [Jhonny Thio Doran](https://appshunter.io/developer/1459624285) |

## What reviewers say

### Calzy

[App page](https://appshunter.io/ios/app/calzy/id623690732)

**Currently charting:** #101 Top Paid · Productivity (US App Store)

This app offers a modern and intuitive way to perform everyday calculations. It features a unique Memory Area for reusing values, bookmarking for saved calculations, and leverages the latest iOS technologies for a seamless experience. Designed with privacy in mind, it's suitable for students and professionals alike.

**Highlights:** Memory Area for reusing values, Calculation bookmarking with titles, Basic and advanced calculation modes, Privacy mode with Face ID, Live Activity and Haptic Touch support, Customizable keypad layout, Dark and Light modes

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Huge Tip | $9.99 | one-time |


### ASPIN App

[App page](https://appshunter.io/ios/app/aspin-app/id6756951455)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calzy free?

Calzy costs $1.99, and also offers in-app purchases.

### Is ASPIN App free?

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

### Do Calzy or ASPIN App have ads?

Neither Calzy nor ASPIN App shows ads.

### Which is updated more often, Calzy or ASPIN App?

Calzy ships an update every 2 days, and ASPIN App every 3 weeks. Most recently, Calzy was updated on October 19, 2026 and ASPIN App on October 2, 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.*