# HormiCalc vs Timberlog

The clearest difference is in-app purchases: HormiCalc at none against Timberlog's 1. HormiCalc also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Timberlog's advantage is update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Timberlog sells 1 one-off in-app purchase. HormiCalc asks for nothing beyond the download.

HormiCalc ships an update monthly, Timberlog every 5 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HormiCalc | Timberlog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (36 ratings)](https://appshunter.io/ios/app/timberlog-log-scale-calc/id1667253703/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 89 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Itc Soluciones S.a.](https://appshunter.io/developer/1329575311) | [Bojan Zalar](https://appshunter.io/developer/1667253705) |

## What reviewers say

### HormiCalc

[App page](https://appshunter.io/ios/app/hormicalc/id1539184227)

**In-app purchases:** none


### Timberlog

[App page](https://appshunter.io/ios/app/timberlog-log-scale-calc/id1667253703)

Calculate timber volume in various units like cubic meters, cubic feet, or board feet. This tool supports multiple log scaling methods and local timber volume tables for different tree species. Easily create and share reports in Excel format.

**Highlights:** Multiple volume units (m³, ft³, board feet), Supports numerous log scaling methods, Local timber volume tables for various species, Create and share Excel reports, User-friendly data entry, Optimized for visibility in bright light

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Version | $39.99 | one-time |


## Frequently asked questions

### Is HormiCalc free?

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

### Is Timberlog free?

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

### Do HormiCalc or Timberlog have ads?

Timberlog shows ads; HormiCalc does not.

### Which is updated more often, HormiCalc or Timberlog?

HormiCalc ships an update monthly, and Timberlog every 5 days. Most recently, HormiCalc was updated on October 27, 2026 and Timberlog 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.*