# NoteDex Index Cards & Projects vs OrbMail

The clearest difference is in-app purchases: OrbMail at none against NoteDex Index Cards & Projects's 6. OrbMail also leads on update cadence (every 2 days vs every 3 weeks). NoteDex Index Cards & Projects's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. NoteDex Index Cards & Projects sells 6 in-app purchases, starting at $2.99 per month. OrbMail asks for nothing beyond the download.

NoteDex Index Cards & Projects ships an update every 3 weeks, OrbMail every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NoteDex Index Cards & Projects | OrbMail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (26 ratings)](https://appshunter.io/ios/app/notedex-index-cards-and-projects/id1513493654/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 32.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 3 MB | 19 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sundaram Applied Technologies](https://appshunter.io/developer/1418740697) | [Julio Aris Serey](https://appshunter.io/developer/6806903578) |

## What reviewers say

### NoteDex Index Cards & Projects

[App page](https://appshunter.io/ios/app/notedex-index-cards-and-projects/id1513493654)

This app offers a unique index card and flashcard experience with handwriting support across iOS, Mac, and Web. Organize ideas, notes, and projects visually, with options to share and collaborate on the web. It's designed for visual thinkers, students, and professionals seeking an organized way to capture and manage information.

**Highlights:** Handwriting support with Apple Pencil, Index card and flashcard organization, Cross-platform sync (iOS, Mac, Web), Rich text formatting and image insertion, Study mode with spaced repetition, Web sharing and collaboration, Project and note organization with folders and tags

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY SUBSCRIPTION | $2.99 | per month |
| MONTHLY SUBSCRIPTION | $5.99 | per month |
| YEARLY SUBSCRIPTION | $24.99 | per year |
| YEARLY SUBSCRIPTION | $49.99 | per year |
| LIFETIME ACCESS - ONE PAYMENT | $49.99 | one-time |
| LIFETIME ACCESS - ONE PAYMENT | $99.99 | one-time |


### OrbMail

[App page](https://appshunter.io/ios/app/orbmail/id6806903576)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NoteDex Index Cards & Projects free?

NoteDex Index Cards & Projects is free to download, with in-app purchases available.

### Is OrbMail free?

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

### Do NoteDex Index Cards & Projects or OrbMail have ads?

Neither NoteDex Index Cards & Projects nor OrbMail shows ads.

### Which is updated more often, NoteDex Index Cards & Projects or OrbMail?

NoteDex Index Cards & Projects ships an update every 3 weeks, and OrbMail every 2 days. Most recently, NoteDex Index Cards & Projects was updated on November 3, 2026 and OrbMail on October 31, 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.*