# WashOnline vs OneFlash

The clearest difference is rating: OneFlash at 3.3 against WashOnline's 2.7. OneFlash also leads on update cadence (every 2 weeks vs every 2 months). WashOnline's advantage is review sentiment (88% vs 71%) and iOS requirement (13.0 vs 15.1). On price, ratings volume, 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 holds the better App Store score, 3.3 against 2.7. Both are backed by a comparable volume of ratings — 19 and 22 respectively. Written reviews complicate that: 88% of WashOnline's written reviews are positive against 71% of OneFlash's, so the app with the better star average is not the one people write more warmly about.

WashOnline ships an update every 2 months, OneFlash every 2 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | WashOnline | OneFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (19 ratings)](https://appshunter.io/ios/app/washonline/id1248075085/reviews) | **[3.3 (22 ratings)](https://appshunter.io/ios/app/oneflash/id6450189093/reviews)** |
| Number of ratings | 19 | **22** |
| Positive reviews | **87.9% of reviews** | 70.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 25 MB | 28 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3 Bees Online](https://appshunter.io/developer/953874082) | [OneFlash](https://appshunter.io/developer/1495172902) |

## What reviewers say

### WashOnline

[App page](https://appshunter.io/ios/app/washonline/id1248075085)

Manage your laundry remotely with this app. Visualize available machines, pay quickly, and reserve devices in advance. Receive notifications for machine status and program completion.

**Highlights:** Visualize machine availability, Quick 4-click payment, Reserve machines up to 6 days ahead, Receive SMS notifications, Get notified before program ends, Automatic ecological detergent use, High-end Miele machines

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is WashOnline free?

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

### Is OneFlash free?

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

### Which has better reviews, WashOnline or OneFlash?

OneFlash is rated higher. WashOnline averages 2.7 out of 5 from 19 ratings, while OneFlash averages 3.3 from 22 ratings.

### Do WashOnline or OneFlash have ads?

Neither WashOnline nor OneFlash shows ads.

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

WashOnline ships an update every 2 months, and OneFlash every 2 weeks. Most recently, WashOnline was updated on September 21, 2026 and OneFlash 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.*