# IntervalTimer+ vs Basic Calculator Pro

The clearest difference is review sentiment: Basic Calculator Pro at 90% against IntervalTimer+'s 67%. Basic Calculator Pro also leads on price ($1.99 vs $2.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

IntervalTimer+ costs $2.99 and Basic Calculator Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

IntervalTimer+ ships an update every 6 months, Basic Calculator Pro every 3 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | IntervalTimer+ | Basic Calculator Pro |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | — | **[4.8 (701 ratings)](https://appshunter.io/ios/app/basic-calculator-pro/id821421514/reviews)** |
| Number of ratings | — | **701** |
| Positive reviews | 66.7% of reviews | **89.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 23 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [whitez](https://appshunter.io/developer/548591356) | [SuperDG Inc.](https://appshunter.io/developer/635709768) |

## What reviewers say

### IntervalTimer+

[App page](https://appshunter.io/ios/app/intervaltimer-plus/id548591353)

This utility app provides a simple interval timer with customizable sound and vibration alerts. Users can set specific durations and receive notifications to manage their timed activities effectively. It supports custom sound additions for a personalized experience.

**Highlights:** Customizable interval timer, Vibration notifications, Sound alerts, Customizable sound options, Light notifications

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

**In-app purchases:** none


### Basic Calculator Pro

[App page](https://appshunter.io/ios/app/basic-calculator-pro/id821421514)

This app provides a straightforward calculation system, focusing on essential functions without complex engineering features. It offers a clean design, calculation history, and displays current modifications for ease of use.

**Highlights:** Basic calculation system, Calculation history, Intuitive design, Shows present modifications, No ads

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 📚 Keeps a history of calculations
- 🚀 Fast and efficient
- 💻 Works well across devices
- 🧠 Intuitive interface

**What reviewers complain about**

- 🙄 Frequent review prompts interrupting usage
- 👀 Low contrast/visibility of numbers
- 🔒 Questionable Bluetooth permission request

**Reported bugs**

- Numpad enter key not working on Mac
- Screen moving up/down when typing one-handed on iPhone

**Requested features**

- Dark mode option
- Ability to edit past calculations
- Split-screen support on iPad
- Customizable button colors


## Frequently asked questions

### Is IntervalTimer+ free?

IntervalTimer+ costs $2.99, with no in-app purchases.

### Is Basic Calculator Pro free?

Basic Calculator Pro costs $1.99, with no in-app purchases.

### Do IntervalTimer+ or Basic Calculator Pro have ads?

Neither IntervalTimer+ nor Basic Calculator Pro shows ads.

### Which is updated more often, IntervalTimer+ or Basic Calculator Pro?

IntervalTimer+ ships an update every 6 months, and Basic Calculator Pro every 3 months. Most recently, IntervalTimer+ was updated on October 8, 2026 and Basic Calculator Pro on October 8, 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.*