# RichTextNote vs PRISM Instrument

The clearest difference is in-app purchases: RichTextNote at none against PRISM Instrument's 1. RichTextNote also leads on iOS requirement (7.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PRISM Instrument sells 1 in-app purchase, starting at $29.49 per year. RichTextNote asks for nothing beyond the download.

RichTextNote ships an update every 54 months, PRISM Instrument every 51 months. The most recent releases landed on June 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | RichTextNote | PRISM Instrument |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/richtextnote/id659334257/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 51 months** |
| Monetization | Free | — |
| Size | 20 MB | 30 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [著显 朱](https://appshunter.io/developer/509801283) | [Prismium GmbH](https://appshunter.io/developer/1416443576) |

## What reviewers say

### RichTextNote

[App page](https://appshunter.io/ios/app/richtextnote/id659334257)

Create formatted notes with rich text editing capabilities, including font customization and list creation. Secure your entries with a password and store them locally. Notes can be easily shared via email.

**Highlights:** Rich text editing, Password protection, Node and number lists, Text size and color customization, Background color options, Local database storage, Email sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### PRISM Instrument

[App page](https://appshunter.io/ios/app/prism-instrument/id1552249113)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRISM Instrument App | $29.49 | per year |


## Frequently asked questions

### Is RichTextNote free?

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

### Is PRISM Instrument free?

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

### Do RichTextNote or PRISM Instrument have ads?

Neither RichTextNote nor PRISM Instrument shows ads.

### Which is updated more often, RichTextNote or PRISM Instrument?

RichTextNote ships an update every 54 months, and PRISM Instrument every 51 months. Most recently, RichTextNote was updated on June 5, 2026 and PRISM Instrument on September 11, 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.*