# Voltt NFC vs Upper Crest

The clearest difference is update cadence: Voltt NFC at every 5 days against Upper Crest's every 2 months. Voltt NFC also leads on iOS requirement (12.0 vs 15.0). 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.

Voltt NFC ships an update every 5 days, Upper Crest every 2 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Voltt NFC | Upper Crest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 57 MB | 38 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Salt Pixels Private Limited](https://appshunter.io/developer/1775648651) | [EVOLVE BRANDS PRIVATE LIMITED](https://appshunter.io/developer/1678666095) |

## What reviewers say

### Voltt NFC

[App page](https://appshunter.io/ios/app/voltt-nfc/id1625107274)

**Features:** macOS Compatibility

**In-app purchases:** none


### Upper Crest

[App page](https://appshunter.io/ios/app/upper-crest/id6474761412)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltt NFC free?

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

### Is Upper Crest free?

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

### Do Voltt NFC or Upper Crest have ads?

Neither Voltt NFC nor Upper Crest shows ads.

### Which is updated more often, Voltt NFC or Upper Crest?

Voltt NFC ships an update every 5 days, and Upper Crest every 2 months. Most recently, Voltt NFC was updated on October 4, 2026 and Upper Crest on October 3, 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.*