# Reference In Hand vs Currency Professional

The clearest difference is price: Currency Professional at Free against Reference In Hand's $0.99. Currency Professional also leads on update cadence (every 5 months vs every 14 months). Reference In Hand's advantage is in-app purchases (none vs 1) and iOS requirement (4.3 vs 26.0). On ads and device support there is nothing between them.

Currency Professional is free to download; Reference In Hand costs $0.99 up front. Currency Professional sells 1 one-off in-app purchase. Reference In Hand asks for nothing beyond the download.

Reference In Hand ships an update every 14 months, Currency Professional every 5 months. The most recent releases landed on June 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Reference In Hand | Currency Professional |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reference-in-hand/id315868194/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 1 MB | 21 MB |
| Requires iOS | **4.3** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [otherslikeyou.com Inc.](https://appshunter.io/developer/315868197) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Reference In Hand

[App page](https://appshunter.io/ios/app/reference-in-hand/id315868194)

Access a comprehensive collection of reference data, calculations, and conversions directly on your iPhone. Includes over 200 conversion types, common lists, date calculations, and a tip calculator.

**Highlights:** Over 200 conversions, Built-in calculator, Common lists (airport, country codes), Days between dates calculation, Tip calculator, Roman numeral conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Currency Professional

[App page](https://appshunter.io/ios/app/currency-professional/id1493772243)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $1.99 | one-time |


## Frequently asked questions

### Is Reference In Hand free?

Reference In Hand costs $0.99, with no in-app purchases.

### Is Currency Professional free?

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

### Do Reference In Hand or Currency Professional have ads?

Neither Reference In Hand nor Currency Professional shows ads.

### Which is updated more often, Reference In Hand or Currency Professional?

Reference In Hand ships an update every 14 months, and Currency Professional every 5 months. Most recently, Reference In Hand was updated on June 5, 2026 and Currency Professional on October 3, 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.*