# Vigilance Buddy vs LexiMatch Full Version

The clearest difference is price: Vigilance Buddy at $1.99 against LexiMatch Full Version's $19.99. Vigilance Buddy also leads on update cadence (every 4 months vs every 11 months) and chart position (#159 vs unranked). LexiMatch Full Version's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Vigilance Buddy costs $1.99 and LexiMatch Full Version $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vigilance Buddy ships an update every 4 months, LexiMatch Full Version every 11 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vigilance Buddy | LexiMatch Full Version |
| --- | --- | --- |
| Price | **$1.99** | $19.99 |
| Rating | **[4.4 (45 ratings)](https://appshunter.io/ios/app/vigilance-buddy/id1319447211/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | Paid | — |
| Best chart rank | **#159** | — |
| Size | 3 MB | 156 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Byrt](https://appshunter.io/developer/1084236360) | [Domino (apps)](https://appshunter.io/developer/910245348) |

## What reviewers say

### Vigilance Buddy

[App page](https://appshunter.io/ios/app/vigilance-buddy/id1319447211)

**Currently charting:** #159 Top Paid · Education (US App Store)

This app measures response speed to visual stimuli using a psychomotor vigilance task. Users can customize test parameters and easily collect and email results. Its user-friendly design makes it accessible to individuals with varying levels of tech experience.

**Highlights:** Psychomotor vigilance task (PVT), Measures response speed, Customizable test parameters, Collect and email results, User-friendly interface

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

**In-app purchases:** none


### LexiMatch Full Version

[App page](https://appshunter.io/ios/app/leximatch-full-version/id1495242394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vigilance Buddy free?

Vigilance Buddy costs $1.99, with no in-app purchases.

### Is LexiMatch Full Version free?

LexiMatch Full Version costs $19.99, with no in-app purchases.

### Do Vigilance Buddy or LexiMatch Full Version have ads?

Neither Vigilance Buddy nor LexiMatch Full Version shows ads.

### Which is updated more often, Vigilance Buddy or LexiMatch Full Version?

Vigilance Buddy ships an update every 4 months, and LexiMatch Full Version every 11 months. Most recently, Vigilance Buddy was updated on October 26, 2026 and LexiMatch Full Version 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.*