# OneFlash vs Buzz

The clearest difference is review sentiment: Buzz at 83% against OneFlash's 71%. 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.

OneFlash ships an update every 2 weeks, Buzz every 3 weeks. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | OneFlash | Buzz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (22 ratings)](https://appshunter.io/ios/app/oneflash/id6450189093/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 70.8% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 28 MB | 37 MB |
| Requires iOS | **15.1** | 15.5.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OneFlash](https://appshunter.io/developer/1495172902) | [Bzzz](https://appshunter.io/developer/1693163972) |

## What reviewers say

### OneFlash

[App page](https://appshunter.io/ios/app/oneflash/id6450189093)

Find nearby stations to rent portable phone chargers. Scan a QR code to unlock a battery, charge your device, and return it to any station in the network. Share power with friends and contribute to a more sustainable future.

**Highlights:** Locate nearby charging stations, Scan QR code to unlock battery, Charge multiple devices, Return battery to any station, 100% recyclable batteries, Flexible return policy

**In-app purchases:** none


### Buzz

[App page](https://appshunter.io/ios/app/buzz-power-bank/id6450401636)

Rent, charge, and return portable power banks at numerous stations across the country. This service offers fast charging and built-in cables for convenience. An optional subscription provides unlimited rentals.

**Highlights:** Rent power banks in seconds, Fast charging up to 40 minutes, Nationwide return stations, BuzzPass unlimited rental subscription, Built-in cables for major phone types, Interactive map for finding stations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneFlash free?

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

### Is Buzz free?

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

### Do OneFlash or Buzz have ads?

Neither OneFlash nor Buzz shows ads.

### Which is updated more often, OneFlash or Buzz?

OneFlash ships an update every 2 weeks, and Buzz every 3 weeks. Most recently, OneFlash was updated on September 22, 2026 and Buzz on September 10, 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.*