# Jackson Fellows App vs SKI+ v2 Prem

The clearest difference is update cadence: SKI+ v2 Prem at every 2 weeks against Jackson Fellows App's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jackson Fellows App ships an update every 3 months, SKI+ v2 Prem every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Jackson Fellows App | SKI+ v2 Prem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 99 MB | 248 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Henry M. Jackson Foundation](https://appshunter.io/developer/1653782826) | [Academia Sinica Research Center for Information Technology Innovation](https://appshunter.io/developer/432286895) |

## What reviewers say

### Jackson Fellows App

[App page](https://appshunter.io/ios/app/jackson-fellows-app/id6444313675)

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

**In-app purchases:** none


### SKI+ v2 Prem

[App page](https://appshunter.io/ios/app/ski-plus-v2-prem/id6654902944)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jackson Fellows App free?

Jackson Fellows App is free to download, with no in-app purchases.

### Is SKI+ v2 Prem free?

SKI+ v2 Prem is free to download, with no in-app purchases.

### Do Jackson Fellows App or SKI+ v2 Prem have ads?

Neither Jackson Fellows App nor SKI+ v2 Prem shows ads.

### Which is updated more often, Jackson Fellows App or SKI+ v2 Prem?

Jackson Fellows App ships an update every 3 months, and SKI+ v2 Prem every 2 weeks. Most recently, Jackson Fellows App was updated on November 3, 2026 and SKI+ v2 Prem on November 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.*