# Interval Timer vs Calculator Widget

The clearest difference is price: Interval Timer at Free against Calculator Widget's $0.99. Interval Timer also leads on review sentiment (86% vs 59%) and device support (4 vs 2). Calculator Widget's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 3 weeks). On rating and ads there is nothing between them.

Interval Timer is free to download; Calculator Widget costs $0.99 up front. Interval Timer sells 3 in-app purchases, starting at $4.99 per month. Calculator Widget asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Interval Timer against 4.6 for Calculator Widget. Both are backed by a comparable volume of ratings — 25 and 122 respectively. Written reviews are what separate them: 86% of Interval Timer's written reviews are positive against 59% of Calculator Widget's.

Interval Timer ships an update every 3 weeks, Calculator Widget every 3 days. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Interval Timer | Calculator Widget |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.6 (25 ratings)](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488/reviews) | [4.6 (122 ratings)](https://appshunter.io/ios/app/calculator-widget-calcullo/id6464038761/reviews) |
| Number of ratings | 25 | **122** |
| Positive reviews | **85.7% of reviews** | 59.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 49 MB | 7 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Sahil Arayakandy](https://appshunter.io/developer/1524345491) | [Supagarn Pattananuchart](https://appshunter.io/developer/1488328374) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-timewave/id1524345488)

This versatile timer app allows users to create custom sequences for various activities, from breathwork and workouts to focus sessions and cooking. It offers AI-powered voice guidance, iCloud synchronization across Apple devices, and a minimalist black-and-white interface.

**Highlights:** Customizable timer chains, Breathwork flow builder, Intermittent fasting timers, Workout routine creator, Focus and Pomodoro timers, AI voice guidance, iCloud sync across devices

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


### 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


## Frequently asked questions

### Is Interval Timer free?

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

### Is Calculator Widget free?

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

### Which has better reviews, Interval Timer or Calculator Widget?

Interval Timer and Calculator Widget are both rated 4.6 out of 5 on the App Store, from 25 and 122 ratings respectively.

### Do Interval Timer or Calculator Widget have ads?

Neither Interval Timer nor Calculator Widget shows ads.

### Which is updated more often, Interval Timer or Calculator Widget?

Interval Timer ships an update every 3 weeks, and Calculator Widget every 3 days. Most recently, Interval Timer was updated on September 22, 2026 and Calculator Widget on September 26, 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.*