# Cullinan vs VoltUp

The clearest difference is update cadence: Cullinan at weekly 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.

Cullinan ships an update weekly, VoltUp every 2 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Cullinan | VoltUp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 96 MB | 59 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Talya Bilişim](https://appshunter.io/developer/1178606922) | [ANTTECH BILISIM VE AKARYAKIT ANONIM SIRKETI](https://appshunter.io/developer/1610082958) |

## What reviewers say

### Cullinan

[App page](https://appshunter.io/ios/app/cullinan/id6670490517)

Access the exclusive world of Cullinan hotels with this app. Book stays at advantageous prices, earn loyalty points, and enhance your experience with room upgrades, early check-in, or late check-out. Easily request services, plan activities, and enjoy special discounts.

**Highlights:** Exclusive hotel access, Loyalty program integration, Advantageous booking prices, Room upgrade options, Early check-in/late check-out, Instant service requests, Special discounts

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

**In-app purchases:** none


### VoltUp

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Cullinan free?

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

### Is VoltUp free?

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

### Do Cullinan or VoltUp have ads?

Neither Cullinan nor VoltUp shows ads.

### Which is updated more often, Cullinan or VoltUp?

Cullinan ships an update weekly, and VoltUp every 2 months. Most recently, Cullinan was updated on October 10, 2026 and VoltUp on October 9, 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.*