# Berry Calculator vs TransKoi

The clearest difference is in-app purchases: Berry Calculator at none against TransKoi's 6. TransKoi's advantage is update cadence (fortnightly vs every 40 months) and iOS requirement (14 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. TransKoi sells 6 in-app purchases, starting at $0.99 per 7 days. Berry Calculator asks for nothing beyond the download.

Berry Calculator ships an update every 40 months, TransKoi fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Berry Calculator | TransKoi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/berry-calculator/id1448305839/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 5 MB | 22 MB |
| Requires iOS | 18.0 | **14** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Driscoll's, INC](https://appshunter.io/developer/1362989526) | [厦门智伽科技有限公司](https://appshunter.io/developer/1851952936) |

## What reviewers say

### Berry Calculator

[App page](https://appshunter.io/ios/app/berry-calculator/id1448305839)

This app converts measurements between US Customary and Metric systems. It offers specialized calculations for berry farming, including crate conversions, field operations, and yield density. A wide range of unit conversions for area, length, weight, and more are also provided.

**Highlights:** US Customary to Metric conversion, Berry crate calculations, Field operation calculations, Yield and planting density, Area, length, mass, volume conversions

**Features:** macOS Compatibility

**In-app purchases:** none


### TransKoi

[App page](https://appshunter.io/ios/app/transkoi/id6746327674)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscribe | $0.99 | per 7 days |
| monthly subscribe | $1.99 | per month |
| 周会员 | $0.99 | one-time |
| 订阅 | $1.99 | one-time |
| 月度会员 | $3.99 | one-time |
| 年度会员 | $9.99 | one-time |


## Frequently asked questions

### Is Berry Calculator free?

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

### Is TransKoi free?

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

### Do Berry Calculator or TransKoi have ads?

Neither Berry Calculator nor TransKoi shows ads.

### Which is updated more often, Berry Calculator or TransKoi?

Berry Calculator ships an update every 40 months, and TransKoi fortnightly. Most recently, Berry Calculator was updated on October 20, 2026 and TransKoi on October 25, 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.*