# Numeric Correction Calculator vs Calligraphy model Viewer

Numeric Correction Calculator and Calligraphy model Viewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Numeric Correction Calculator | Calligraphy model Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 9 MB | 35 MB |
| Requires iOS | **15.4** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Numeric Correction Calculator

[App page](https://appshunter.io/ios/app/numeric-correction-calculator/id6449193336)

**In-app purchases:** none


### Calligraphy model Viewer

[App page](https://appshunter.io/ios/app/calligraphy-model-viewer/id6737493558)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Numeric Correction Calculator free?

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

### Is Calligraphy model Viewer free?

Calligraphy model Viewer is free to download, with no in-app purchases.

### Do Numeric Correction Calculator or Calligraphy model Viewer have ads?

Both Numeric Correction Calculator and Calligraphy model Viewer show ads.

### Which is updated more often, Numeric Correction Calculator or Calligraphy model Viewer?

Numeric Correction Calculator ships an update fortnightly, and Calligraphy model Viewer fortnightly. Most recently, Numeric Correction Calculator was updated on November 7, 2026 and Calligraphy model Viewer on November 8, 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.*