# TechniCalc Calculator vs TrailLog

The clearest difference is price: TrailLog at Free against TechniCalc Calculator's $7.99. TrailLog also leads on in-app purchases (none vs 4) and update cadence (weekly vs monthly). TechniCalc Calculator's advantage is device support (4 vs 2). On ads and iOS requirement there is nothing between them.

TrailLog is free to download; TechniCalc Calculator costs $7.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. TrailLog asks for nothing beyond the download.

TechniCalc Calculator ships an update monthly, TrailLog weekly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | TechniCalc Calculator | TrailLog |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.7 (81 ratings)](https://appshunter.io/ios/app/technicalc-calculator/id1504965415/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 10 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Parker](https://appshunter.io/developer/1153284524) | [James Barbato](https://appshunter.io/developer/6790371850) |

## What reviewers say

### TechniCalc Calculator

[App page](https://appshunter.io/ios/app/technicalc-calculator/id1504965415)

This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.

**Highlights:** Natural equation entry, Advanced math engine, Formula book and equations, Unit and currency converter, Statistics mode, Equation solvers, Supports multiple Apple devices

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Every Little Helps | $0.99 | one-time |
| Coffee-Sized Tip | $2.99 | one-time |
| Lunch-Sized Tip | $4.99 | one-time |
| Pizza-Sized Tip | $9.99 | one-time |


### TrailLog

[App page](https://appshunter.io/ios/app/traillog/id6790371848)

**In-app purchases:** none


## Frequently asked questions

### Is TechniCalc Calculator free?

TechniCalc Calculator costs $7.99, and also offers in-app purchases.

### Is TrailLog free?

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

### Do TechniCalc Calculator or TrailLog have ads?

Neither TechniCalc Calculator nor TrailLog shows ads.

### Which is updated more often, TechniCalc Calculator or TrailLog?

TechniCalc Calculator ships an update monthly, and TrailLog weekly. Most recently, TechniCalc Calculator was updated on October 11, 2026 and TrailLog 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.*