# WonderCalc vs Smart Instant Calculator

The clearest difference is ads: WonderCalc at none against Smart Instant Calculator's shown. WonderCalc also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (16.0 vs 18.0). 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, Smart Instant Calculator every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | WonderCalc | Smart Instant 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 months |
| Monetization | Free | — |
| Size | 5 MB | 8 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SharkMonkey Apps](https://appshunter.io/developer/1654824300) | [Ichi Hosotsuji](https://appshunter.io/developer/1808829369) |

## 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


### Smart Instant Calculator

[App page](https://appshunter.io/ios/app/smart-instant-calculator/id6749926057)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WonderCalc free?

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

### Is Smart Instant Calculator free?

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

### Do WonderCalc or Smart Instant Calculator have ads?

Smart Instant Calculator shows ads; WonderCalc does not.

### Which is updated more often, WonderCalc or Smart Instant Calculator?

WonderCalc ships an update every 5 days, and Smart Instant Calculator every 2 months. Most recently, WonderCalc was updated on November 3, 2026 and Smart Instant Calculator on October 25, 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.*