# Caldy vs SmartTracker

The clearest difference is price: SmartTracker at Free against Caldy's $2.99. SmartTracker also leads on review sentiment (100% vs 57%) and rating (5.0 vs 2.0). Caldy's advantage is in-app purchases (none vs 2) and iOS requirement (17.6 vs 26.0). On ratings volume and ads there is nothing between them.

SmartTracker is free to download; Caldy costs $2.99 up front. SmartTracker sells 2 in-app purchases, starting at $6.99 per year. Caldy asks for nothing beyond the download.

SmartTracker holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 57% of Caldy's written reviews are positive against 100% of SmartTracker's.

Caldy ships an update fortnightly, SmartTracker every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Caldy | SmartTracker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/caldy-visual-calculator/id1577075538/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smarttracker-price-tracker/id6754879283/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 49 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Alventir Ltd](https://appshunter.io/developer/1527058758) | [Hugo Prione](https://appshunter.io/developer/1206460508) |

## 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


### SmartTracker

[App page](https://appshunter.io/ios/app/smarttracker-price-tracker/id6754879283)

Effortlessly monitor prices on any website and receive instant alerts when deals drop. Visualize price history with clear charts and organize wishlists. Integrates with Siri and Shortcuts for seamless price tracking.

**Highlights:** Track prices on any website, Set smart price alerts, View price history charts, Home and Lock Screen widgets, Siri and Shortcuts integration, Organize wishlists and collections, Export data to CSV

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Annual | $6.99 | per year |
| Premium - One-time purchase | $19.99 | one-time |


## Frequently asked questions

### Is Caldy free?

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

### Is SmartTracker free?

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

### Which has better reviews, Caldy or SmartTracker?

SmartTracker is rated higher. Caldy averages 2.0 out of 5 from 2 ratings, while SmartTracker averages 5.0 from 3 ratings.

### Do Caldy or SmartTracker have ads?

Neither Caldy nor SmartTracker shows ads.

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

Caldy ships an update fortnightly, and SmartTracker every 6 days. Most recently, Caldy was updated on October 24, 2026 and SmartTracker on October 24, 2026.

---

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