# Calculator Widget vs Rdio Client

The clearest difference is price: Rdio Client at Free against Calculator Widget's $0.99. Calculator Widget's advantage is update cadence (every 3 days vs weekly) and iOS requirement (17.0 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

Rdio Client is free to download; Calculator Widget costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Widget ships an update every 3 days, Rdio Client weekly. The most recent releases landed on October 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Calculator Widget | Rdio Client |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (122 ratings)](https://appshunter.io/ios/app/calculator-widget-calcullo/id6464038761/reviews)** | — |
| Number of ratings | **122** | — |
| Positive reviews | 59.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Supagarn Pattananuchart](https://appshunter.io/developer/1488328374) | [Jamie Stephens](https://appshunter.io/developer/6787158273) |

## What reviewers say

### Calculator Widget

[App page](https://appshunter.io/ios/app/calculator-widget-calcullo/id6464038761)

Access a powerful calculator directly from your home screen or control center. Perform quick calculations without needing to open a separate application, streamlining your daily tasks.

**Highlights:** Interactive home screen widget, iOS 18 Control Center widget, StandBy mode calculator, Calculation history, Smart stack widget organization

**In-app purchases:** none


### Rdio Client

[App page](https://appshunter.io/ios/app/rdio-client/id6787158270)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Widget free?

Calculator Widget costs $0.99, with no in-app purchases.

### Is Rdio Client free?

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

### Do Calculator Widget or Rdio Client have ads?

Neither Calculator Widget nor Rdio Client shows ads.

### Which is updated more often, Calculator Widget or Rdio Client?

Calculator Widget ships an update every 3 days, and Rdio Client weekly. Most recently, Calculator Widget was updated on October 18, 2026 and Rdio Client on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*