# WonderCalc vs Chain Calculator

The clearest difference is update cadence: WonderCalc at every 5 days against Chain Calculator's monthly. Chain Calculator's advantage is iOS requirement (13.0 vs 16.0). On price, ads, 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, Chain Calculator monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | WonderCalc | Chain 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 | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free | — |
| Size | 5 MB | 18 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SharkMonkey Apps](https://appshunter.io/developer/1654824300) | [seongkuk park](https://appshunter.io/developer/1895828986) |

## 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


### Chain Calculator

[App page](https://appshunter.io/ios/app/chain-calculator/id6764549705)

**In-app purchases:** none


## Frequently asked questions

### Is WonderCalc free?

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

### Is Chain Calculator free?

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

### Do WonderCalc or Chain Calculator have ads?

Neither WonderCalc nor Chain Calculator shows ads.

### Which is updated more often, WonderCalc or Chain Calculator?

WonderCalc ships an update every 5 days, and Chain Calculator monthly. Most recently, WonderCalc was updated on October 24, 2026 and Chain 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.*