# SFST Field Notepad vs Evidex

The clearest difference is price: Evidex at Free against SFST Field Notepad's $0.99. Evidex also leads on update cadence (every 5 days vs every 2 months). SFST Field Notepad's advantage is chart position (#200 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Evidex is free to download; SFST Field Notepad costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SFST Field Notepad ships an update every 2 months, Evidex every 5 days. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SFST Field Notepad | Evidex |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/sfst-field-notepad/id1573161432/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | — |
| Best chart rank | **#200** | — |
| Size | 20 MB | 42 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) | [Standard Field Systems Inc](https://appshunter.io/developer/1693675818) |

## What reviewers say

### SFST Field Notepad

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

**Currently charting:** #200 Top Paid · Productivity (US App Store)

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


### Evidex

[App page](https://appshunter.io/ios/app/evidex/id6748547881)

**In-app purchases:** none


## Frequently asked questions

### Is SFST Field Notepad free?

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

### Is Evidex free?

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

### Do SFST Field Notepad or Evidex have ads?

Neither SFST Field Notepad nor Evidex shows ads.

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

SFST Field Notepad ships an update every 2 months, and Evidex every 5 days. Most recently, SFST Field Notepad was updated on September 10, 2026 and Evidex on September 23, 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.*