# WonderCalc vs Customizable calculator

The clearest difference is ads: WonderCalc at none against Customizable calculator's shown. Customizable calculator's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WonderCalc ships an update every 5 days, Customizable calculator every 2 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WonderCalc | Customizable calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/wondercalc/id6444459924/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 5 MB | 202 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SharkMonkey Apps](https://appshunter.io/developer/1654824300) | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) |

## What reviewers say

### WonderCalc

[App page](https://appshunter.io/ios/app/wondercalc/id6444459924)

This utility app handles all your basic calculation needs, including unit conversions for length, weight, and temperature. It also offers advanced financial calculations for loans, such as monthly payments, total cost, and interest paid.

**Highlights:** Basic calculations, Cut, copy, and paste functionality, Unit conversions (length, weight, temperature), Loan payment calculations, Total loan cost and interest calculation

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

**In-app purchases:** none


### Customizable calculator

[App page](https://appshunter.io/ios/app/customizable-calculator/id6740001661)

**In-app purchases:** none


## Frequently asked questions

### Is WonderCalc free?

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

### Is Customizable calculator free?

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

### Do WonderCalc or Customizable calculator have ads?

Customizable calculator shows ads; WonderCalc does not.

### Which is updated more often, WonderCalc or Customizable calculator?

WonderCalc ships an update every 5 days, and Customizable calculator every 2 days. Most recently, WonderCalc was updated on October 12, 2026 and Customizable calculator on October 10, 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.*