# InterestingSpelling vs Scrap Science

The clearest difference is in-app purchases: InterestingSpelling at none against Scrap Science's 6. InterestingSpelling also leads on iOS requirement (11.0 vs 14.0). Scrap Science's advantage is update cadence (every 2 weeks vs every 7 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Scrap Science sells 6 in-app purchases, starting at $9.99 per month. InterestingSpelling asks for nothing beyond the download.

InterestingSpelling ships an update every 7 months, Scrap Science every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | InterestingSpelling | Scrap Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/scrap-science/id6648758210/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 71 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiaoru Wang](https://appshunter.io/developer/1681213590) | [TY International LLC](https://appshunter.io/developer/1576465822) |

## What reviewers say

### InterestingSpelling

[App page](https://appshunter.io/ios/app/interestingspelling/id1637443379)

Practice finger spelling with a rich vocabulary. This app offers customizable letter lengths and speeds to suit your learning preferences. Improve your sign language skills in your spare time.

**Highlights:** Finger spelling exercises, Rich vocabulary for practice, Customizable letter lengths, Adjustable practice speed, Different gestures for letters

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Powerful functions
- 💡 Rich information
- ✅ Reliable
- ✨ Beautiful interface

**Requested features**

- Further improvement of functions


### Scrap Science

[App page](https://appshunter.io/ios/app/scrap-science/id6648758210)

This AI-powered app helps U.S. scrap recycling professionals identify scrap categories, assess material content, and impurity levels. It provides real-time pricing for identified materials, enabling profitable decisions on the spot. Streamline your workflow with this fast, easy, and reliable tool.

**Highlights:** AI-powered scrap identification, Material content assessment, Impurity level analysis, Real-time pricing, Workflow streamlining, Patent-authorized innovation

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly auto-subscription | $9.99 | per month |
| Enterprise Package 1 | $79.99 | per month |
| Enterprise Package 2 | $148.99 | per month |
| Enterprise Package 3 | $209.00 | per month |
| Enterprise Package 4 | $590.00 | per month |
| Try it out | $0.99 | one-time |


## Frequently asked questions

### Is InterestingSpelling free?

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

### Is Scrap Science free?

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

### Do InterestingSpelling or Scrap Science have ads?

Neither InterestingSpelling nor Scrap Science shows ads.

### Which is updated more often, InterestingSpelling or Scrap Science?

InterestingSpelling ships an update every 7 months, and Scrap Science every 2 weeks. Most recently, InterestingSpelling was updated on October 24, 2026 and Scrap Science on October 24, 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.*