# Caldy vs AmbilightSync

The clearest difference is price: AmbilightSync at Free against Caldy's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

AmbilightSync is free to download; Caldy costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Caldy ships an update fortnightly, AmbilightSync every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Caldy | AmbilightSync |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alventir Ltd](https://appshunter.io/developer/1527058758) | [Linus Kneser](https://appshunter.io/developer/1812123909) |

## 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


### AmbilightSync

[App page](https://appshunter.io/ios/app/ambilightsync/id6745416591)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caldy free?

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

### Is AmbilightSync free?

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

### Do Caldy or AmbilightSync have ads?

Neither Caldy nor AmbilightSync shows ads.

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

Caldy ships an update fortnightly, and AmbilightSync every 3 weeks. Most recently, Caldy was updated on October 14, 2026 and AmbilightSync 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.*