# InterestingSpelling vs Air Tracker, Bluetooth Scanner

The clearest difference is review sentiment: InterestingSpelling at 100% against Air Tracker, Bluetooth Scanner's 59%. InterestingSpelling also leads on in-app purchases (none vs 4) and iOS requirement (11.0 vs 17.0). Air Tracker, Bluetooth Scanner's advantage is update cadence (every 2 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Air Tracker, Bluetooth Scanner sells 3 in-app purchases, starting at $5.99 per 7 days. InterestingSpelling asks for nothing beyond the download.

InterestingSpelling ships an update every 7 months, Air Tracker, Bluetooth Scanner every 2 months. The most recent releases landed on June 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | InterestingSpelling | Air Tracker, Bluetooth Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (500 ratings)](https://appshunter.io/ios/app/air-tracker-bluetooth-scanner/id6443721632/reviews)** |
| Number of ratings | — | **500** |
| Positive reviews | **100.0% of reviews** | 58.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 32 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xiaoru Wang](https://appshunter.io/developer/1681213590) | [Lucy Vivo](https://appshunter.io/developer/1766320631) |

## 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


### Air Tracker, Bluetooth Scanner

[App page](https://appshunter.io/ios/app/air-tracker-bluetooth-scanner/id6443721632)

Locate nearby Bluetooth devices like headphones and trackers in seconds. Organize your devices with names and photos, and review your search history. Save money by finding misplaced items instead of buying replacements.

**Highlights:** Find nearby Bluetooth devices, Tag detection, Device naming and photos, Search history, Unlimited searches (premium), Signal radius (premium)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bluetooth Finder PRO | $5.99 | per 7 days |
| Bluetooth Finder PRO | $5.99 | per 7 days |
| Find for Device, Headphones | $9.99 | per month |

**What reviewers like**

- ✅ Effective device finding functionality
- 👍 User-friendly interface
- 💡 Useful tool for locating lost items
- ⭐ Quick and reliable performance when working

**What reviewers complain about**

- 🐛 App functionality doesn't work as advertised
- 💰 Aggressive premium/subscription requirements
- 😤 Forced review requirement before first use
- 🚫 No uninstall feature
- 📍 Inaccurate distance/location tracking

**Reported bugs**

- Distance tracking changes rapidly and inaccurately
- Limited access mode loops back to main screen
- Premium ad pop-ups appear constantly despite restarts
- App doesn't function without signing up
- Pairing with devices fails or doesn't work properly

**Requested features**

- Make app paid instead of requiring subscription model
- Add proper uninstall functionality
- Improve tracking accuracy and stability
- Reduce or eliminate premium pop-up advertisements


## Frequently asked questions

### Is InterestingSpelling free?

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

### Is Air Tracker, Bluetooth Scanner free?

Air Tracker, Bluetooth Scanner is free to download, with in-app purchases available.

### Do InterestingSpelling or Air Tracker, Bluetooth Scanner have ads?

Neither InterestingSpelling nor Air Tracker, Bluetooth Scanner shows ads.

### Which is updated more often, InterestingSpelling or Air Tracker, Bluetooth Scanner?

InterestingSpelling ships an update every 7 months, and Air Tracker, Bluetooth Scanner every 2 months. Most recently, InterestingSpelling was updated on June 9, 2026 and Air Tracker, Bluetooth Scanner on September 22, 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.*