# Customizable calculator vs Multi

The clearest difference is in-app purchases: Customizable calculator at none against Multi's 1. Customizable calculator also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Multi sells 1 one-off in-app purchase. Customizable calculator asks for nothing beyond the download.

Customizable calculator ships an update every 2 days, Multi every 3 weeks. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Customizable calculator | Multi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 202 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) | [Hiroyuki Kako](https://appshunter.io/developer/1581721316) |

## What reviewers say

### Customizable calculator

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

**In-app purchases:** none


### Multi

[App page](https://appshunter.io/ios/app/multi-module-counter-and-timers/id6814168045)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi-Module Counter Pro | $6.99 | one-time |


## Frequently asked questions

### Is Customizable calculator free?

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

### Is Multi free?

Multi is free to download, with in-app purchases available.

### Do Customizable calculator or Multi have ads?

Both Customizable calculator and Multi show ads.

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

Customizable calculator ships an update every 2 days, and Multi every 3 weeks. Most recently, Customizable calculator was updated on October 25, 2026 and Multi on November 6, 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.*