# Follett Aspen Go vs 21 Sharp

The clearest difference is rating: 21 Sharp at 5.0 against Follett Aspen Go's 1.7. Follett Aspen Go's advantage is in-app purchases (none vs 1) and ratings volume (46 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. 21 Sharp sells 1 one-off in-app purchase. Follett Aspen Go asks for nothing beyond the download.

21 Sharp holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: Follett Aspen Go has 46 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Follett Aspen Go | 21 Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (46 ratings)](https://appshunter.io/ios/app/follett-aspen-go/id6464432956/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/21-sharp/id6757319502/reviews)** |
| Number of ratings | **46** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Follett School Solutions, LLC](https://appshunter.io/developer/939583462) | [busyslacker llc](https://appshunter.io/developer/1576079901) |

## What reviewers say

### Follett Aspen Go

[App page](https://appshunter.io/ios/app/follett-aspen-go/id6464432956)

This app provides parents and students with real-time updates and notifications from their school community. It integrates seamlessly with the Aspen Student Information System, ensuring easy access to important school information.

**Highlights:** Real-time push notifications, School administrator and teacher updates, Seamless Aspen SIS integration, Easy access to school information

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

**In-app purchases:** none


### 21 Sharp

[App page](https://appshunter.io/ios/app/21-sharp/id6757319502)

Master blackjack strategy and card counting with this professional-grade trainer. Learn optimal plays, practice counting systems, and track your progress with realistic simulations and reference guides. Reduce the house edge and gain a competitive advantage.

**Highlights:** Basic strategy training, Card counting drills (Hi-Lo), Realistic practice table, Reference guides, Progress tracking and achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 21 Sharp Premium | $2.99 | one-time |


## Frequently asked questions

### Is Follett Aspen Go free?

Follett Aspen Go is free to download, with no in-app purchases.

### Is 21 Sharp free?

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

### Which has better reviews, Follett Aspen Go or 21 Sharp?

21 Sharp is rated higher. Follett Aspen Go averages 1.7 out of 5 from 46 ratings, while 21 Sharp averages 5.0 from 1 ratings.

### Do Follett Aspen Go or 21 Sharp have ads?

Neither Follett Aspen Go nor 21 Sharp 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.*