# Simark vs Eidra

The clearest difference is update cadence: Simark at every 2 days against Eidra's every 3 weeks. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Simark sells 2 in-app purchases, starting at $1.19 per month 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 — 5.0 for Simark against 5.0 for Eidra. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Simark ships an update every 2 days, Eidra every 3 weeks. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Simark | Eidra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/simark-markdown-notebook/id6456388881/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eidra/id6763976011/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 7 MB | 44 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [冠为 周](https://appshunter.io/developer/1626014918) | [Mikel Whiting](https://appshunter.io/developer/1867326970) |

## What reviewers say

### Simark

[App page](https://appshunter.io/ios/app/simark-markdown-notebook/id6456388881)

A powerful note-taking application that leverages Markdown for efficient writing and organization. It offers cloud synchronization, distraction-free editing, and internal note linking to enhance productivity across devices.

**Highlights:** Cloud Sync across devices, Distraction-free writing interface, Advanced Markdown formatting, Internal note linking, Share notes on the web, Auto dark theme

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simark Sync | $1.19 | per month |
| Simark Sync | $9.99 | per year |


### 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 Simark free?

Simark 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, Simark or Eidra?

Simark and Eidra are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Simark or Eidra have ads?

Neither Simark nor Eidra shows ads.

### Which is updated more often, Simark or Eidra?

Simark ships an update every 2 days, and Eidra every 3 weeks. Most recently, Simark was updated on October 1, 2026 and Eidra on October 4, 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.*