# でか文字 vs archBuddypro

The clearest difference is price: でか文字 at Free against archBuddypro's $2.99. でか文字 also leads on iOS requirement (10.0 vs 26.2). archBuddypro's advantage is update cadence (every 5 weeks vs every 32 months) and review sentiment (100% vs 71%). On ads, in-app purchases and device support there is nothing between them.

でか文字 is free to download; archBuddypro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

でか文字 ships an update every 32 months, archBuddypro every 5 weeks. The most recent releases landed on October 31, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | でか文字 | archBuddypro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 weeks** |
| Monetization | — | Paid |
| Size | 11 MB | 1 MB |
| Requires iOS | **10.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ea, Inc.](https://appshunter.io/developer/293212542) | [Toshinori Shirakawa](https://appshunter.io/developer/1878102734) |

## What reviewers say

### でか文字

[App page](https://appshunter.io/ios/app/id387631293)

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

**In-app purchases:** none


### archBuddypro

[App page](https://appshunter.io/ios/app/archbuddypro/id6759478782)

Instantly calculate arch radius from span and rise. Supports metric and imperial units, and generates coordinates along an arch for precise construction. Ideal for professionals in fabrication and carpentry.

**Highlights:** Radius calculation from span and rise, Metric & imperial unit support, Visual diagram display, Save and load arch designs, Coordinate generation, PDF export and printing

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

**In-app purchases:** none


## Frequently asked questions

### Is でか文字 free?

でか文字 is free to download, with no in-app purchases.

### Is archBuddypro free?

archBuddypro costs $2.99, with no in-app purchases.

### Do でか文字 or archBuddypro have ads?

Neither でか文字 nor archBuddypro shows ads.

### Which is updated more often, でか文字 or archBuddypro?

でか文字 ships an update every 32 months, and archBuddypro every 5 weeks. Most recently, でか文字 was updated on October 31, 2026 and archBuddypro on October 11, 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.*