# Unit Converter 單位換算 vs PlanDeck

The clearest difference is in-app purchases: Unit Converter 單位換算 at none against PlanDeck's 1. Unit Converter 單位換算 also leads on iOS requirement (13.0 vs 17.0). PlanDeck's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PlanDeck sells 1 one-off in-app purchase. Unit Converter 單位換算 asks for nothing beyond the download.

Unit Converter 單位換算 ships an update every 2 months, PlanDeck every 2 days. The most recent releases landed on November 3, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Unit Converter 單位換算 | PlanDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter/id1607242875/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [First Bird Design & Technology Limited](https://appshunter.io/developer/1080920043) | [君 盛](https://appshunter.io/developer/6803296874) |

## What reviewers say

### Unit Converter 單位換算

[App page](https://appshunter.io/ios/app/unit-converter/id1607242875)

This utility app offers comprehensive unit conversions for various measurements including weight, length, temperature, and computer memory. It also provides multi-country currency conversion with auto-updated exchange rates and supports Asian-specific units. The app features real-time conversion, remembers your last used units, and supports multiple languages.

**Highlights:** Extensive unit support (weight, length, volume, etc.), Multi-country currency conversion, Real-time conversion updates, Automatic saving of last used units, Support for Asian-specific units, Multi-language interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PlanDeck

[App page](https://appshunter.io/ios/app/plandeck/id6810079579)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanDeck Pro | $1.99 | one-time |


## Frequently asked questions

### Is Unit Converter 單位換算 free?

Unit Converter 單位換算 is free to download, with no in-app purchases.

### Is PlanDeck free?

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

### Do Unit Converter 單位換算 or PlanDeck have ads?

Neither Unit Converter 單位換算 nor PlanDeck shows ads.

### Which is updated more often, Unit Converter 單位換算 or PlanDeck?

Unit Converter 單位換算 ships an update every 2 months, and PlanDeck every 2 days. Most recently, Unit Converter 單位換算 was updated on November 3, 2026 and PlanDeck on November 13, 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.*
