# NVS Tsunami Evacuation vs BottleDrop

The clearest difference is rating: NVS Tsunami Evacuation at 3.5 against BottleDrop's 2.3. NVS Tsunami Evacuation also leads on review sentiment (44% vs 11%) and monetization model (free vs ad-supported). BottleDrop's advantage is ratings volume (104 vs 19) and iOS requirement (13.0 vs 16.6). 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 Tsunami Evacuation holds the better App Store score, 3.5 against 2.3. That said, the two scores are not equally well evidenced: BottleDrop has 104 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 44% of NVS Tsunami Evacuation's written reviews are positive against 11% of BottleDrop's.

NVS Tsunami Evacuation ships an update every 3 months, BottleDrop every 2 months. The most recent releases landed on June 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NVS Tsunami Evacuation | BottleDrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (19 ratings)](https://appshunter.io/ios/app/nvs-tsunami-evacuation/id478984841/reviews)** | [2.3 (104 ratings)](https://appshunter.io/ios/app/bottledrop/id1276690586/reviews) |
| Number of ratings | 19 | **104** |
| Positive reviews | **44.4% 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 | 7 MB | 57 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **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 Tsunami Evacuation

[App page](https://appshunter.io/ios/app/nvs-tsunami-evacuation/id478984841)

This app displays tsunami evacuation zones along the Oregon and Washington coast. It allows users to map their home, work, or school to see if they are in a hazard zone and plan evacuation routes. It also shows critical locations like schools and government buildings.

**Highlights:** Tsunami evacuation zone maps, Location mapping (home, work, school), GPS and address-based route planning, Critical facility locations, Tsunami warning bulletins, State agency data

**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 Tsunami Evacuation free?

NVS Tsunami Evacuation 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 Tsunami Evacuation or BottleDrop?

NVS Tsunami Evacuation is rated higher. NVS Tsunami Evacuation averages 3.5 out of 5 from 19 ratings, while BottleDrop averages 2.3 from 104 ratings.

### Do NVS Tsunami Evacuation or BottleDrop have ads?

Neither NVS Tsunami Evacuation nor BottleDrop shows ads.

### Which is updated more often, NVS Tsunami Evacuation or BottleDrop?

NVS Tsunami Evacuation ships an update every 3 months, and BottleDrop every 2 months. Most recently, NVS Tsunami Evacuation was updated on June 11, 2026 and BottleDrop on September 21, 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.*