# VoltKeep vs EV Calculators

The clearest difference is in-app purchases: EV Calculators at none against VoltKeep's 2. EV Calculators also leads on iOS requirement (15.6 vs 17.0). VoltKeep's advantage is update cadence (every 3 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. VoltKeep sells 2 in-app purchases, starting at $4.99 per month. EV Calculators asks for nothing beyond the download.

VoltKeep ships an update every 3 days, EV Calculators every 10 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VoltKeep | EV Calculators |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 74 MB | 9 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuto Furudate](https://appshunter.io/developer/1886072871) | [Raghunath Ramidi](https://appshunter.io/developer/885897194) |

## What reviewers say

### VoltKeep

[App page](https://appshunter.io/ios/app/voltkeep-tesla/id6760900723)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $49.99 | per year |


### EV Calculators

[App page](https://appshunter.io/ios/app/ev-calculators/id6761554052)

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

**In-app purchases:** none


## Frequently asked questions

### Is VoltKeep free?

VoltKeep is free to download, with in-app purchases available.

### Is EV Calculators free?

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

### Do VoltKeep or EV Calculators have ads?

Neither VoltKeep nor EV Calculators shows ads.

### Which is updated more often, VoltKeep or EV Calculators?

VoltKeep ships an update every 3 days, and EV Calculators every 10 days. Most recently, VoltKeep was updated on October 31, 2026 and EV Calculators on October 28, 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.*