# SDO Viewer vs CSC Canadian Securities Prep

The clearest difference is in-app purchases: SDO Viewer at none against CSC Canadian Securities Prep's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CSC Canadian Securities Prep sells 3 in-app purchases, starting at $6.99 per 7 days. SDO Viewer asks for nothing beyond the download.

## The numbers

| Metric | SDO Viewer | CSC Canadian Securities Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/sdo-viewer/id913723111/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jérôme Diaz](https://appshunter.io/developer/334987620) | [fly sky pty ltd](https://appshunter.io/developer/1838696534) |

## What reviewers say

### SDO Viewer

[App page](https://appshunter.io/ios/app/sdo-viewer/id913723111)

Access and view the latest images from the Solar Dynamics Observatory. Receive push notifications when new images become available, keeping you updated on solar activity.

**Highlights:** Download SDO images, Display latest solar images, Push notifications for new images, Courtesy of NASA/SDO science teams

**Features:** macOS Compatibility

**In-app purchases:** none


### CSC Canadian Securities Prep

[App page](https://appshunter.io/ios/app/csc-canadian-securities-prep/id6784083467)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Canadian Securities Course (CS | $6.99 | per 7 days |
| Canadian Securities Course (CS | $16.99 | per month |
| Canadian Securities Course (CS | $69.99 | one-time |


## Frequently asked questions

### Is SDO Viewer free?

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

### Is CSC Canadian Securities Prep free?

CSC Canadian Securities Prep is free to download, with in-app purchases available.

### Do SDO Viewer or CSC Canadian Securities Prep have ads?

Neither SDO Viewer nor CSC Canadian Securities Prep shows ads.

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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.*