# EV CALC vs QRSure

The clearest difference is update cadence: EV CALC at every 3 weeks against QRSure's every 2 months. EV CALC also leads on iOS requirement (11.0 vs 17.0). 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.

EV CALC ships an update every 3 weeks, QRSure every 2 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | EV CALC | QRSure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ev-calc/id1643348948/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ulterium Ltd](https://appshunter.io/developer/979013939) | [TIMOTHY DOWDALL](https://appshunter.io/developer/1822577094) |

## What reviewers say

### EV CALC

[App page](https://appshunter.io/ios/app/ev-calc/id1643348948)

Estimate electric vehicle charging time, range, and cost across various charging systems. Features customizable charging speeds, a range slider, and a countdown timer with notifications. Supports all charger types and major EV models, with zero personal data collection and no ads.

**Highlights:** Estimate charge time, range, and cost, Customizable charging speeds, Range slider for desired range, Countdown timer with charge completion notifications, Supports all charger types and major EV models, Offline timer functionality, Zero personal data collection and no ads

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

**In-app purchases:** none


### QRSure

[App page](https://appshunter.io/ios/app/qrsure/id6747717385)

**In-app purchases:** none


## Frequently asked questions

### Is EV CALC free?

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

### Is QRSure free?

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

### Do EV CALC or QRSure have ads?

Neither EV CALC nor QRSure shows ads.

### Which is updated more often, EV CALC or QRSure?

EV CALC ships an update every 3 weeks, and QRSure every 2 months. Most recently, EV CALC was updated on October 18, 2026 and QRSure on October 17, 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.*