# RCL vs DutyIntel

The clearest difference is iOS requirement: DutyIntel at 13.0 against RCL's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | RCL | DutyIntel |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 2 MB | 7 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Novaes](https://appshunter.io/developer/597527233) | [Jingteng Information Technology Co., Ltd](https://appshunter.io/developer/1478717790) |

## What reviewers say

### RCL

[App page](https://appshunter.io/ios/app/rcl-57/id1621959742)

This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.

**Highlights:** TI-57 recreation, Scientific functions, Programming capabilities, User manual included, Sample programs, Turbo speed option, Alphanumeric display option

**Features:** macOS Compatibility

**In-app purchases:** none


### DutyIntel

[App page](https://appshunter.io/ios/app/dutyintel/id6475300951)

**In-app purchases:** none


## Frequently asked questions

### Is RCL free?

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

### Is DutyIntel free?

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

### Do RCL or DutyIntel have ads?

Neither RCL nor DutyIntel shows ads.

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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.*