# Programming Calculator vs ESRschedule

The clearest difference is iOS requirement: Programming Calculator at 13.0 against ESRschedule's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Programming Calculator ships an update every 4 weeks, ESRschedule every 3 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Programming Calculator | ESRschedule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (38 ratings)](https://appshunter.io/ios/app/programming-calculator/id1481845623/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mikhail Razin](https://appshunter.io/developer/1460485493) | [WORKZ360 LLC](https://appshunter.io/developer/1557606932) |

## What reviewers say

### Programming Calculator

[App page](https://appshunter.io/ios/app/programming-calculator/id1481845623)

This utility app allows users to instantly convert numbers between bases 2 and 30, perform calculations, and get accurate results. It features a developer-friendly interface with real-time updates and dark mode support.

**Highlights:** Base conversion (2-30), Developer-friendly calculations, Real-time value updates, Intuitive one-hand interface, Dark mode support, Supports multiple number systems

**Features:** macOS Compatibility

**In-app purchases:** none


### ESRschedule

[App page](https://appshunter.io/ios/app/esrschedule/id6748704896)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Programming Calculator free?

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

### Is ESRschedule free?

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

### Do Programming Calculator or ESRschedule have ads?

Neither Programming Calculator nor ESRschedule shows ads.

### Which is updated more often, Programming Calculator or ESRschedule?

Programming Calculator ships an update every 4 weeks, and ESRschedule every 3 weeks. Most recently, Programming Calculator was updated on October 3, 2026 and ESRschedule on October 1, 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.*