# Just A Calc vs WonderCalc

The clearest difference is update cadence: WonderCalc at every 5 days against Just A Calc's every 38 months. Just A Calc's advantage is iOS requirement (12.0 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.

Just A Calc ships an update every 38 months, WonderCalc every 5 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Just A Calc | WonderCalc |
| --- | --- | --- |
| 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 38 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 10 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tom Doherty](https://appshunter.io/developer/1112286724) | [SharkMonkey Apps](https://appshunter.io/developer/1654824300) |

## What reviewers say

### Just A Calc

[App page](https://appshunter.io/ios/app/just-a-calc/id1112349564)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Just A Calc free?

Just A Calc is free to download, with no in-app purchases.

### Is WonderCalc free?

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

### Do Just A Calc or WonderCalc have ads?

Neither Just A Calc nor WonderCalc shows ads.

### Which is updated more often, Just A Calc or WonderCalc?

Just A Calc ships an update every 38 months, and WonderCalc every 5 days. Most recently, Just A Calc was updated on October 26, 2026 and WonderCalc 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.*