# Kulku vs UpCharge

The clearest difference is update cadence: UpCharge at every 3 weeks against Kulku's every 6 months. UpCharge also leads on iOS requirement (13.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Kulku ships an update every 6 months, UpCharge every 3 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Kulku | UpCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/upcharge/id1593444648/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 57 MB | 69 MB |
| Requires iOS | 18.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kulkutech Oy](https://appshunter.io/developer/1452362947) | [UpCharge Oy](https://appshunter.io/developer/1593444650) |

## What reviewers say

### Kulku

[App page](https://appshunter.io/ios/app/kulku/id1452362948)

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

**In-app purchases:** none


### UpCharge

[App page](https://appshunter.io/ios/app/upcharge/id1593444648)

Rent a portable power bank from convenient city locations to charge your devices on the go. Simply find a station, rent a charger, and return it to any available spot when done.

**Highlights:** Rent power banks on-the-go, Find nearby charging stations, Scan QR code to retrieve charger, Return to any station, Charge devices anywhere

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Kulku free?

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

### Is UpCharge free?

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

### Do Kulku or UpCharge have ads?

Neither Kulku nor UpCharge shows ads.

### Which is updated more often, Kulku or UpCharge?

Kulku ships an update every 6 months, and UpCharge every 3 weeks. Most recently, Kulku was updated on September 24, 2026 and UpCharge on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*