# VoltUp vs DKey ERP

The clearest difference is update cadence: DKey ERP at every 4 days against VoltUp's every 2 months. 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.

VoltUp ships an update every 2 months, DKey ERP every 4 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | VoltUp | DKey ERP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 59 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ANTTECH BILISIM VE AKARYAKIT ANONIM SIRKETI](https://appshunter.io/developer/1610082958) | [Dijitaldev Bilisim Teknolojileri Limited Sirketi](https://appshunter.io/developer/1689532155) |

## What reviewers say

### VoltUp

[App page](https://appshunter.io/ios/app/voltup/id6740208091)

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

**In-app purchases:** none


### DKey ERP

[App page](https://appshunter.io/ios/app/dkey-erp/id6762453622)

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

**In-app purchases:** none


## Frequently asked questions

### Is VoltUp free?

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

### Is DKey ERP free?

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

### Do VoltUp or DKey ERP have ads?

Neither VoltUp nor DKey ERP shows ads.

### Which is updated more often, VoltUp or DKey ERP?

VoltUp ships an update every 2 months, and DKey ERP every 4 days. Most recently, VoltUp was updated on October 9, 2026 and DKey ERP on October 11, 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.*