# PRISM LITE Instrument vs PIEL Data

The clearest difference is iOS requirement: PRISM LITE Instrument at 11.0 against PIEL Data's 16.0. 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 | PRISM LITE Instrument | PIEL Data |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 37 MB | 3 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Prismium GmbH](https://appshunter.io/developer/1416443576) | [Blue Jay Ventures Pty Ltd](https://appshunter.io/developer/951242850) |

## What reviewers say

### PRISM LITE Instrument

[App page](https://appshunter.io/ios/app/prism-lite-instrument/id1581760165)

**Features:** macOS Compatibility

**In-app purchases:** none


### PIEL Data

[App page](https://appshunter.io/ios/app/piel-data/id6450528453)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRISM LITE Instrument free?

PRISM LITE Instrument is free to download, with no in-app purchases.

### Is PIEL Data free?

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

### Do PRISM LITE Instrument or PIEL Data have ads?

Neither PRISM LITE Instrument nor PIEL Data 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.*