# Calta vs Simple Calculator Multi

The clearest difference is ads: Simple Calculator Multi at none against Calta's shown. Calta's advantage is update cadence (every 3 days vs every 6 months) and iOS requirement (11.0 vs 13.4). 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.

Calta ships an update every 3 days, Simple Calculator Multi every 6 months. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Calta | Simple Calculator Multi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 months |
| Monetization | Ad-supported | — |
| Size | 23 MB | 14 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Oka](https://appshunter.io/developer/1464653539) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### Calta

[App page](https://appshunter.io/ios/app/calta/id1499265833)

This calculator app offers advanced features like equation display, calculation history, and redo/undo functionality for easier use. Customize backgrounds and button shapes, and perform tax calculations with adjustable rates. It supports up to 20 digits and respects order of operations.

**Highlights:** Equation display, Calculation history, Redo and Undo functions, Customizable background, Customizable button shape, Tax calculation, Order of operations support

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Calculator Multi

[App page](https://appshunter.io/ios/app/simple-calculator-multi-screen/id1605441213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calta free?

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

### Is Simple Calculator Multi free?

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

### Do Calta or Simple Calculator Multi have ads?

Calta shows ads; Simple Calculator Multi does not.

### Which is updated more often, Calta or Simple Calculator Multi?

Calta ships an update every 3 days, and Simple Calculator Multi every 6 months. Most recently, Calta was updated on June 4, 2026 and Simple Calculator Multi on September 14, 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.*