# Caldy vs EV Charging Tracker

The clearest difference is price: EV Charging Tracker at Free against Caldy's $2.99. Caldy's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs monthly). On ads, device support and iOS requirement there is nothing between them.

EV Charging Tracker is free to download; Caldy costs $2.99 up front. EV Charging Tracker sells 3 in-app purchases, starting at $4.99 per month. Caldy asks for nothing beyond the download.

Caldy ships an update fortnightly, EV Charging Tracker monthly. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Caldy | EV Charging Tracker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/caldy-visual-calculator/id1577075538/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | — |
| Size | 1 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alventir Ltd](https://appshunter.io/developer/1527058758) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### Caldy

[App page](https://appshunter.io/ios/app/caldy-visual-calculator/id1577075538)

This app offers a visual approach to calculations, linking values with arrows and allowing for dynamic editing of expressions. It supports organizing calculations into documents, plotting expressions, and includes various math functions. Ideal for complex calculations beyond basic arithmetic.

**Highlights:** Visual calculation linking, Editable expressions with automatic updates, Document-based organization, Plotting and zooming capabilities, Trigonometry and math functions, Dark mode support, Export sheets as images

**In-app purchases:** none


### EV Charging Tracker

[App page](https://appshunter.io/ios/app/ev-charging-tracker-volt/id6760602881)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Volt Pro | $4.99 | per month |
| Volt Pro | $39.99 | per year |
| Volt Pro | $39.99 | per year |


## Frequently asked questions

### Is Caldy free?

Caldy costs $2.99, with no in-app purchases.

### Is EV Charging Tracker free?

EV Charging Tracker is free to download, with in-app purchases available.

### Do Caldy or EV Charging Tracker have ads?

Neither Caldy nor EV Charging Tracker shows ads.

### Which is updated more often, Caldy or EV Charging Tracker?

Caldy ships an update fortnightly, and EV Charging Tracker monthly. Most recently, Caldy was updated on October 14, 2026 and EV Charging Tracker on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*