# Caldy vs PVLevel

The clearest difference is price: PVLevel at Free against Caldy's $2.99. PVLevel also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). Caldy's advantage is in-app purchases (none vs 2) and ads (none vs shown).

PVLevel is free to download; Caldy costs $2.99 up front. PVLevel sells 2 in-app purchases, starting at $2.99 per month. Caldy asks for nothing beyond the download.

Caldy ships an update fortnightly, PVLevel every 2 months. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Caldy | PVLevel |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Paid | — |
| Size | 1 MB | 70 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alventir Ltd](https://appshunter.io/developer/1527058758) | [TMB Solar Limited](https://appshunter.io/developer/1872134358) |

## 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


### PVLevel

[App page](https://appshunter.io/ios/app/pvlevel/id6759517924)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $17.99 | per year |


## Frequently asked questions

### Is Caldy free?

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

### Is PVLevel free?

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

### Do Caldy or PVLevel have ads?

PVLevel shows ads; Caldy does not.

### Which is updated more often, Caldy or PVLevel?

Caldy ships an update fortnightly, and PVLevel every 2 months. Most recently, Caldy was updated on October 27, 2026 and PVLevel on October 9, 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.*