# NVS Explorer vs BottleDrop

The clearest difference is review sentiment: NVS Explorer at 60% against BottleDrop's 11%. NVS Explorer also leads on rating (4.3 vs 2.3) and monetization model (free vs ad-supported). BottleDrop's advantage is ratings volume (104 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

NVS Explorer holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: BottleDrop has 104 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of NVS Explorer's written reviews are positive against 11% of BottleDrop's.

NVS Explorer ships an update every 3 months, BottleDrop every 2 months. The most recent releases landed on June 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NVS Explorer | BottleDrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/nvs-explorer/id373563865/reviews)** | [2.3 (104 ratings)](https://appshunter.io/ios/app/bottledrop/id1276690586/reviews) |
| Number of ratings | 3 | **104** |
| Positive reviews | **60.0% of reviews** | 10.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 19 MB | 57 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NANOOS-IOOSASSOCIATION](https://appshunter.io/developer/1792959921) | [Oregon Beverage Recycling Cooperative](https://appshunter.io/developer/1276690585) |

## What reviewers say

### NVS Explorer

[App page](https://appshunter.io/ios/app/nvs-explorer/id373563865)

Access real-time ocean data for the Pacific Northwest. Visualize conditions from various observing assets, view historical data plots, and share findings via email or SMS. Customize units and save favorite assets for quick access.

**Highlights:** View real-time ocean data, Access 24-hour, 7-day, and 30-day data plots, Share data plots via email or SMS, Searchable list of observing assets, Save favorite observing assets, Display data in scientific or common units, Data plots for tuna fishers

**Features:** macOS Compatibility

**In-app purchases:** none


### BottleDrop

[App page](https://appshunter.io/ios/app/bottledrop/id1276690586)

Easily return deposit containers and receive your refund. Access your account card, view your balance and bag history, and find nearby return locations. Manage your account information and receive important notifications.

**Highlights:** Return deposit containers, Receive refunds, Access account card, View account balance, Track bag history, Find return locations, Update account information

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Balance tracking functionality works reliably
- 📍 Location finder helps users find drop-off points
- 🎯 Core service concept is useful and appreciated
- 📱 Improved UI in recent updates (June 2021 onwards)
- 🔐 QR code/barcode scanning feature when functioning

**What reviewers complain about**

- 🚪 Frequent unexpected logouts requiring re-authentication
- 🔑 Persistent login failures and authentication errors
- 🌐 Chronic internet connectivity issues despite active connection
- 🐛 App crashes when accessing locations tab
- 💾 Missing or non-functional transfer buttons (Venmo/PayPal/bank)

**Reported bugs**

- Unexpected logout after period of inactivity
- Login failed errors despite correct credentials
- App won't progress past splash/start screen
- Crashes when accessing locations tab
- Internet connectivity error messages despite active connection

**Requested features**

- Dark mode for reduced eye strain in low light
- Biometric authentication (Face ID, Touch ID, PIN)
- Manual QR code entry option for unscanned bags
- Transaction history and detailed bag credit breakdown
- In-app bag and label ordering


## Frequently asked questions

### Is NVS Explorer free?

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

### Is BottleDrop free?

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

### Which has better reviews, NVS Explorer or BottleDrop?

NVS Explorer is rated higher. NVS Explorer averages 4.3 out of 5 from 3 ratings, while BottleDrop averages 2.3 from 104 ratings.

### Do NVS Explorer or BottleDrop have ads?

Neither NVS Explorer nor BottleDrop shows ads.

### Which is updated more often, NVS Explorer or BottleDrop?

NVS Explorer ships an update every 3 months, and BottleDrop every 2 months. Most recently, NVS Explorer was updated on June 11, 2026 and BottleDrop on September 30, 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.*