# Zappy US vs Sharp

The clearest difference is in-app purchases: Zappy US at none against Sharp's 2. Zappy US also leads on iOS requirement (13.0 vs 15.1). Sharp's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Sharp sells 2 in-app purchases, starting at $7.99 per month. Zappy US asks for nothing beyond the download.

Zappy US ships an update every 2 months, Sharp every 2 weeks. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Zappy US | Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/zappy-us/id6472009480/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 120 MB | 118 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Needzappy USA Inc.](https://appshunter.io/developer/1716467753) | [Standley Saint jean](https://appshunter.io/developer/1896768940) |

## What reviewers say

### 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


### Sharp

[App page](https://appshunter.io/ios/app/sharp-ai/id6771013188)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sharp-AI Outfitscore | $7.99 | per month |
| Sharp AI Annual | $49.99 | per year |


## Frequently asked questions

### Is Zappy US free?

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

### Is Sharp free?

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

### Do Zappy US or Sharp have ads?

Neither Zappy US nor Sharp shows ads.

### Which is updated more often, Zappy US or Sharp?

Zappy US ships an update every 2 months, and Sharp every 2 weeks. Most recently, Zappy US was updated on November 4, 2026 and Sharp on October 25, 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.*