# SFST Field Notepad vs SOBR ai

The clearest difference is price: SOBR ai at Free against SFST Field Notepad's $0.99. SOBR ai also leads on rating (5.0 vs 3.8) and update cadence (every 2 days vs every 2 months). SFST Field Notepad's advantage is in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement there is nothing between them.

SOBR ai is free to download; SFST Field Notepad costs $0.99 up front. SOBR ai sells 3 in-app purchases, starting at $3.99 per month. SFST Field Notepad asks for nothing beyond the download.

SOBR ai holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

SFST Field Notepad ships an update every 2 months, SOBR ai every 2 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SFST Field Notepad | SOBR ai |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/sfst-field-notepad/id1573161432/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sobr-ai/id6759305030/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jason Tyre](https://appshunter.io/developer/1573161434) | [Timothy Mccain](https://appshunter.io/developer/1877983737) |

## What reviewers say

### SFST Field Notepad

[App page](https://appshunter.io/ios/app/sfst-field-notepad/id1573161432)

This app provides a digital notepad for law enforcement to conduct Standardized Field Sobriety Tests. It allows for quick note-taking, saving, and PDF generation with timestamps for easy record-keeping and sharing.

**Highlights:** Standardized Field Sobriety Testing notes, Subject name entry, Switch flipping for test status, Timestamped PDF generation, Save and send PDF reports, Digital alternative to paper notepads

**Features:** Vision Pro support

**In-app purchases:** none


### SOBR ai

[App page](https://appshunter.io/ios/app/sobr-ai/id6759305030)

This platform assists law enforcement officers with DUI investigations by guiding them through the Standardized Field Sobriety Test. It provides state-specific legal references, AI-generated arrest narratives, and testimony preparation tools.

**Highlights:** Guided 8-phase SFST workflow, State-specific DUI law references, AI-generated arrest narratives, On-scene AI legal reference assistant, Testimony preparation tools, Driver's license barcode scanner

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SOBR ai Pro Monthly | $3.99 | per month |
| SOBR ai Pro Annual | $29.95 | per year |
| Single DUI Report | $0.99 | one-time |


## Frequently asked questions

### Is SFST Field Notepad free?

SFST Field Notepad costs $0.99, with no in-app purchases.

### Is SOBR ai free?

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

### Which has better reviews, SFST Field Notepad or SOBR ai?

SOBR ai is rated higher. SFST Field Notepad averages 3.8 out of 5 from 5 ratings, while SOBR ai averages 5.0 from 3 ratings.

### Do SFST Field Notepad or SOBR ai have ads?

Neither SFST Field Notepad nor SOBR ai shows ads.

### Which is updated more often, SFST Field Notepad or SOBR ai?

SFST Field Notepad ships an update every 2 months, and SOBR ai every 2 days. Most recently, SFST Field Notepad was updated on October 30, 2026 and SOBR ai on October 24, 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.*