# Socra vs Harbor Notes

The clearest difference is iOS requirement: Socra at 15.5 against Harbor Notes's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Socra sells 6 in-app purchases, starting at $6.99 per month and Harbor Notes sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Socra ships an update every 4 days, Harbor Notes every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Socra | Harbor Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/harbor-notes/id6788795948/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 61 MB | 42 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ruipeng Ding](https://appshunter.io/developer/1868741893) | [Cloudmanic Labs, LLC](https://appshunter.io/developer/483718119) |

## What reviewers say

### Socra

[App page](https://appshunter.io/ios/app/socra-ai-socratic-tutor/id6757760012)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Socra AI Pro | $6.99 | per month |
| Socra AI Premium | $12.99 | per month |
| Socra AI Unlimited | $24.99 | per month |
| Socra AI Pro | $69.99 | per year |
| Socra AI Premium | $110.99 | per year |
| Socra AI Unlimited | $199.99 | per year |


### Harbor Notes

[App page](https://appshunter.io/ios/app/harbor-notes/id6788795948)

Capture, organize, and securely store all your notes, tasks, files, and scanned documents. This native app offers instant search, offline access, and optional end-to-end encryption for ultimate privacy.

**Highlights:** Rich notes with checklists and tables, Notebooks, stacks, and tags for organization, Document scanning and voice memos, Instant search with OCR, Offline-first native apps, Optional end-to-end encryption, Evernote import

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited — Monthly | $9.99 | per month |
| Unlimited — Yearly | $99.00 | per year |


## Frequently asked questions

### Is Socra free?

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

### Is Harbor Notes free?

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

### Do Socra or Harbor Notes have ads?

Neither Socra nor Harbor Notes shows ads.

### Which is updated more often, Socra or Harbor Notes?

Socra ships an update every 4 days, and Harbor Notes every 3 days. Most recently, Socra was updated on October 25, 2026 and Harbor Notes 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.*