# Prism Notes vs Eidra

The clearest difference is update cadence: Prism Notes at every 3 days against Eidra's every 3 weeks. Prism Notes also leads on monetization model (free vs freemium) and ratings volume (38 vs 1). Eidra's advantage is iOS requirement (15.1 vs 18.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Prism Notes sells 2 one-off in-app purchases and Eidra sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Prism Notes against 5.0 for Eidra. That said, the two scores are not equally well evidenced: Prism Notes has 38 ratings behind it against 1, so its average is the more settled of the two.

Prism Notes ships an update every 3 days, Eidra every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Prism Notes | Eidra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (38 ratings)](https://appshunter.io/ios/app/prism-notes/id6754857785/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eidra/id6763976011/reviews)** |
| Number of ratings | **38** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 44 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tommy Joseph](https://appshunter.io/developer/1850558223) | [Mikel Whiting](https://appshunter.io/developer/1867326970) |

## What reviewers say

### Prism Notes

[App page](https://appshunter.io/ios/app/prism-notes/id6754857785)

Capture thoughts and links quickly with a familiar texting interface. Organize ideas with AI-suggested tags and develop them across linked threads. Review notes to keep what matters and easily search by keyword or meaning.

**Highlights:** Texting-like note capture, AI-suggested tags, Threaded idea development, Review mode for notes, Sync across devices, Natural language reminders, Lock screen capture

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $6.99 | one-time |
| Lifetime Unlock | $12.99 | one-time |


### Eidra

[App page](https://appshunter.io/ios/app/eidra/id6763976011)

Effortlessly capture and recall details about people in your life. This AI-powered memory aid extracts names, interests, and follow-ups from your spoken or typed notes, making it easy to remember important information for both personal and professional connections.

**Highlights:** AI-powered information extraction, Voice and text input, Effortless recall of names and details, Personal and professional use cases, Automatic profile updates, Connection linking, Important dates and reminders

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eidra Casual | $2.99 | per month |
| Eidra Business | $4.99 | per month |


## Frequently asked questions

### Is Prism Notes free?

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

### Is Eidra free?

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

### Which has better reviews, Prism Notes or Eidra?

Eidra is rated higher. Prism Notes averages 4.9 out of 5 from 38 ratings, while Eidra averages 5.0 from 1 ratings.

### Do Prism Notes or Eidra have ads?

Neither Prism Notes nor Eidra shows ads.

### Which is updated more often, Prism Notes or Eidra?

Prism Notes ships an update every 3 days, and Eidra every 3 weeks. Most recently, Prism Notes was updated on October 24, 2026 and Eidra on October 21, 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.*