# OneFlash vs MultiGroop

The clearest difference is in-app purchases: OneFlash at none against MultiGroop's 1. OneFlash also leads on iOS requirement (15.1 vs 17.0). MultiGroop's advantage is update cadence (daily vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. MultiGroop sells 1 one-off in-app purchase. OneFlash asks for nothing beyond the download.

OneFlash ships an update fortnightly, MultiGroop daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OneFlash | MultiGroop |
| --- | --- | --- |
| 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 | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 28 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OneFlash](https://appshunter.io/developer/1495172902) | [robert Oulhen](https://appshunter.io/developer/1864322487) |

## 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

**What reviewers like**

- 👍 Convenient for emergencies
- 🚀 Fast and easy to use
- 💡 Innovative solution for low battery
- 💰 Often free to use
- 🌍 Wide availability in public places

**What reviewers complain about**

- ❌ Deposits not refunded
- 💸 Scam operation claims
- 📱 App is glitchy and unresponsive
- 🔌 Chargers unavailable or not working
- 🚫 Cannot change country for phone number

**Reported bugs**

- App is glitchy and unresponsive
- Cannot change country for phone number
- Does not send SMS confirmation code
- Activation code not received via SMS
- System does not detect battery return

**Requested features**

- Allow email login option
- Improve detection of battery return
- Ensure cables are not damaged


### MultiGroop

[App page](https://appshunter.io/ios/app/multigroop/id6760623513)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Groop Pro | $3.99 | one-time |


## Frequently asked questions

### Is OneFlash free?

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

### Is MultiGroop free?

MultiGroop is free to download, with in-app purchases available.

### Do OneFlash or MultiGroop have ads?

Neither OneFlash nor MultiGroop shows ads.

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

OneFlash ships an update fortnightly, and MultiGroop daily. Most recently, OneFlash was updated on November 7, 2026 and MultiGroop on October 31, 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.*