# Sigma Mini vs PermitLog

The clearest difference is in-app purchases: Sigma Mini at none against PermitLog's 1. Sigma Mini also leads on iOS requirement (11.0 vs 18.0). PermitLog's advantage is rating (4.5 vs 4.0) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. PermitLog sells 1 one-off in-app purchase. Sigma Mini asks for nothing beyond the download.

PermitLog holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 4 and 11 respectively.

Sigma Mini ships an update every 2 months, PermitLog every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sigma Mini | PermitLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/sigma-mini/id1548367153/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/permitlog-driving-hours/id6761863108/reviews)** |
| Number of ratings | 4 | **11** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 2 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bessette](https://appshunter.io/developer/1548367155) | [Latitude 360 Advisors LLC](https://appshunter.io/developer/1891826323) |

## What reviewers say

### Sigma Mini

[App page](https://appshunter.io/ios/app/sigma-mini/id1548367153)

This utility app connects to a specific hardware device for enhanced functionality. It allows users to interact with and control the connected device, providing a seamless experience for its intended purpose. The application is designed for users who own the associated hardware.

**Highlights:** Connects to Sigma Metalytics Mini, Device interaction and control, Enhanced functionality for users, Seamless user experience

**Features:** macOS Compatibility

**In-app purchases:** none


### PermitLog

[App page](https://appshunter.io/ios/app/permitlog-driving-hours/id6761863108)

Easily track supervised driving sessions for teen drivers, automatically calculating day/night hours and conditions. It displays progress towards state-specific license requirements and allows for PDF export for official records.

**Highlights:** Log driving sessions quickly, Automatic day/night hour tracking, Weather and road condition tagging, State-specific hour requirements, PDF driving log export, iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock PermitLog | $4.99 | one-time |


## Frequently asked questions

### Is Sigma Mini free?

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

### Is PermitLog free?

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

### Which has better reviews, Sigma Mini or PermitLog?

PermitLog is rated higher. Sigma Mini averages 4.0 out of 5 from 4 ratings, while PermitLog averages 4.5 from 11 ratings.

### Do Sigma Mini or PermitLog have ads?

Neither Sigma Mini nor PermitLog shows ads.

### Which is updated more often, Sigma Mini or PermitLog?

Sigma Mini ships an update every 2 months, and PermitLog every 2 weeks. Most recently, Sigma Mini was updated on November 3, 2026 and PermitLog on November 5, 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.*