# JB Charging vs Zappy US

The clearest difference is rating: Zappy US at 4.6 against JB Charging's 4.3. Zappy US also leads on iOS requirement (13.0 vs 15.1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Zappy US holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 71% of JB Charging's written reviews are positive against 75% of Zappy US's.

JB Charging ships an update every 6 weeks, Zappy US every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | JB Charging | Zappy US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (17 ratings)](https://appshunter.io/ios/app/jb-charging/id6464139544/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/zappy-us/id6472009480/reviews)** |
| Number of ratings | **17** | 10 |
| Positive reviews | 71.4% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 49 MB | 120 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Parth Darji](https://appshunter.io/developer/1705581227) | [Needzappy USA Inc.](https://appshunter.io/developer/1716467753) |

## What reviewers say

### JB Charging

[App page](https://appshunter.io/ios/app/jb-charging/id6464139544)

Rent a portable battery to keep your devices charged on the go. Find rental stations easily and return batteries at any location within the network. Never worry about running out of power again.

**Highlights:** Portable battery rental, Find rental stations, Return batteries at any location, Stay powered on the go

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

**In-app purchases:** none


### Zappy US

[App page](https://appshunter.io/ios/app/zappy-us/id6472009480)

Rent a portable power bank to keep your devices charged while you're out and about. Never worry about a dead battery again and enjoy your day without interruption.

**Highlights:** Rent portable power banks, Charge devices on the go, Shared power bank network, Enjoy uninterrupted day

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

**In-app purchases:** none


## Frequently asked questions

### Is JB Charging free?

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

### Is Zappy US free?

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

### Which has better reviews, JB Charging or Zappy US?

Zappy US is rated higher. JB Charging averages 4.3 out of 5 from 17 ratings, while Zappy US averages 4.6 from 10 ratings.

### Do JB Charging or Zappy US have ads?

Neither JB Charging nor Zappy US shows ads.

### Which is updated more often, JB Charging or Zappy US?

JB Charging ships an update every 6 weeks, and Zappy US every 2 months. Most recently, JB Charging was updated on October 24, 2026 and Zappy US on October 24, 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.*