# Voltran vs CalFi

The clearest difference is update cadence: CalFi at every 5 days against Voltran's every 2 weeks. CalFi also leads on iOS requirement (11.0 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.

Voltran ships an update every 2 weeks, CalFi every 5 days. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Voltran | CalFi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 69 MB | 30 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [VOLTRAN ELECTRIC PRIVATE LIMITED](https://appshunter.io/developer/1807556920) | [Vishwanath Reddy](https://appshunter.io/developer/1387266359) |

## What reviewers say

### Voltran

[App page](https://appshunter.io/ios/app/voltran/id1672503269)

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

**In-app purchases:** none


### CalFi

[App page](https://appshunter.io/ios/app/calfi/id6468230050)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltran free?

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

### Is CalFi free?

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

### Do Voltran or CalFi have ads?

Neither Voltran nor CalFi shows ads.

### Which is updated more often, Voltran or CalFi?

Voltran ships an update every 2 weeks, and CalFi every 5 days. Most recently, Voltran was updated on September 26, 2026 and CalFi on October 8, 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.*