# RCL vs ZoneSync

The clearest difference is in-app purchases: RCL at none against ZoneSync's 2. RCL also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. ZoneSync sells 2 in-app purchases, starting at $2.99 per month. RCL asks for nothing beyond the download.

## The numbers

| Metric | RCL | ZoneSync |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 2 MB | 12 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Novaes](https://appshunter.io/developer/597527233) | [Murat Can CICEK](https://appshunter.io/developer/1775880707) |

## 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


### ZoneSync

[App page](https://appshunter.io/ios/app/zonesync-world-clock-widget/id6759647603)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZoneSync Premium | $2.99 | per month |
| ZoneSync Premium | $24.99 | per year |


## Frequently asked questions

### Is RCL free?

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

### Is ZoneSync free?

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

### Do RCL or ZoneSync have ads?

Neither RCL nor ZoneSync 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.*