Vigilance Buddy vs LexiMatch Full Version
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vigilance Buddy
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.
- Psychomotor vigilance task (PVT)
- Measures response speed
- Customizable test parameters
- Collect and email results
- User-friendly interface
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Vigilance Buddy by Research Buddies This application is based on the ‘psychomotor vigilance task (PVT)’ which measures the speed of which users respond to the given visual stimulus. Edit the number of rounds per test, maximum time between tap and start of the timer and much more. Collect & Send the results directly to your personal email address. With our focus on usability the application can be used easily by anyone. Because of this it doesn’t matter if your subjects are digital natives or people with zero to none tablet experience. Happy researching!
LexiMatch Full Version
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Developed by a Speech-Language Pathologist, LexiMatch is a simple and comprehensive application designed to help children, adolescents and adults who experience word-retrieval difficulties or challenges with vocabulary acquisition. During the exercise, the player must identify three words that are related in meaning from a set of four words. Words can be grouped based on categories, functions or shared characteristics. The app includes: • 8 difficulty levels for picture-based associations. • 9 difficulty levels for written-word associations. Users have the option to manually select the set of words or images they wish to present. Furthermore, the application allows for the creation of customized lists using the items included in the program. If desired, a brief reinforcement game provides an engaging way to conclude sessions. The app is bilingual. You can work in English or French. Available on iPad.
Screenshots
Verdict
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 (#188 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Vigilance Buddy | LexiMatch Full Version |
|---|---|---|
| Price | $1.99 — better | $19.99 |
| Rating | 4.4 (45 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Every 4 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 156 MB |
| Age rating | 4+ | 4+ |
| Developer | Byrt | Domino (apps) |
In-app purchases
Vigilance Buddy
No in-app purchases
LexiMatch Full Version
No in-app purchases
Questions
Is Vigilance Buddy free?
Is LexiMatch Full Version free?
Do Vigilance Buddy or LexiMatch Full Version have ads?
Which is updated more often, Vigilance Buddy or LexiMatch Full Version?
Other comparisons
