# CalConvert vs NorthWind

The clearest difference is in-app purchases: NorthWind at none against CalConvert's 4. NorthWind also leads on ads (none vs shown). CalConvert's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 17.2). On price and update cadence there is nothing between them.

Both are free to download. CalConvert sells 4 in-app purchases, starting at $2.99 per month. NorthWind asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CalConvert | NorthWind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (6.5K ratings)](https://appshunter.io/ios/app/calconvert-currency-converter/id426007025/reviews)** | — |
| Number of ratings | **6.5K** | — |
| Positive reviews | 65.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 315 MB | 1 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Maple Media Apps, LLC](https://appshunter.io/developer/1289801633) | [Francisco Totaro](https://appshunter.io/developer/1819796780) |

## What reviewers say

### CalConvert

[App page](https://appshunter.io/ios/app/calconvert-currency-converter/id426007025)

This app offers advanced scientific calculations and comprehensive unit and currency conversions. It provides home screen widgets for quick access and supports over 600 units across 27 categories, including 150+ global currencies.

**Highlights:** Advanced scientific calculator, Currency and unit conversion, Home screen widgets, History tape for calculations, Offline currency access, World clock

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalConvert Pro - Monthly | $2.99 | per month |
| CalConvert Pro - Annual | $9.99 | per year |
| CalConvert Pro | Free | one-time |
| CalConvert One Time MP | $39.99 | one-time |

**What reviewers like**

- 🚀 Excellent calculator and converter
- 👍 Easy to use and intuitive interface
- 🔢 Large, clear numbers for good visibility
- 💡 Comprehensive conversion options

**What reviewers complain about**

- 🤖 Excessive, intrusive ads
- 🔒 Locking features behind subscription paywall
- 🐛 Bugs and glitches after recent updates
- 🤯 Frustrating user experience due to ads

**Reported bugs**

- Subtraction function not working properly
- Conversion values not updating correctly
- Themes and settings not functioning as expected

**Requested features**

- Ability to rearrange currency order
- Option to remove ads with one-time purchase
- Improved performance and stability


### NorthWind

[App page](https://appshunter.io/ios/app/northwind/id6747091737)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalConvert free?

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

### Is NorthWind free?

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

### Do CalConvert or NorthWind have ads?

CalConvert shows ads; NorthWind does not.

### Which is updated more often, CalConvert or NorthWind?

CalConvert ships an update every 3 months, and NorthWind every 3 months. Most recently, CalConvert was updated on November 12, 2026 and NorthWind on October 30, 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.*