# Stroboscope Alarm Clock vs VSYN+

The clearest difference is review sentiment: VSYN+ at 50% against Stroboscope Alarm Clock's 0%. VSYN+ also leads on price (Free vs $0.99) and rating (3.7 vs 1.3). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

VSYN+ is free to download; Stroboscope Alarm Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VSYN+ holds the better App Store score, 3.7 against 1.3. That said, the two scores are not equally well evidenced: VSYN+ has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Stroboscope Alarm Clock's written reviews are positive against 50% of VSYN+'s.

Stroboscope Alarm Clock ships an update every 7 months, VSYN+ every 3 weeks. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Stroboscope Alarm Clock | VSYN+ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/stroboscope-alarm-clock/id348380789/reviews) | **[3.7 (15 ratings)](https://appshunter.io/ios/app/vsyn-plus/id6446652289/reviews)** |
| Number of ratings | 3 | **15** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 36 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Signed Studios, Inc.](https://appshunter.io/developer/1672673609) |

## What reviewers say

### Stroboscope Alarm Clock

[App page](https://appshunter.io/ios/app/stroboscope-alarm-clock/id348380789)

Transform your device into a versatile light tool. It functions as a strobe light with adjustable rates and colors, a psychedelic light, a bright LED torch, and an SOS signal. It also includes an alarm clock with customizable settings and an automatic light feature for waking up.

**Highlights:** Adjustable strobe flash rate, Multi-color strobe effects, LED torch functionality, SOS emergency light signal, Psychedelic light mode, Alarm clock with date and time, Automatic light on alarm

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

**In-app purchases:** none


### VSYN+

[App page](https://appshunter.io/ios/app/vsyn-plus/id6446652289)

Access a diverse library of entertainment content specifically designed for sign language users. Explore movies, TV shows, documentaries, and children's programs in a fully accessible format.

**Highlights:** Sign language movies, Sign language TV shows, Documentaries, Children's programming, Accessible entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stroboscope Alarm Clock free?

Stroboscope Alarm Clock costs $0.99, with no in-app purchases.

### Is VSYN+ free?

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

### Which has better reviews, Stroboscope Alarm Clock or VSYN+?

VSYN+ is rated higher. Stroboscope Alarm Clock averages 1.3 out of 5 from 3 ratings, while VSYN+ averages 3.7 from 15 ratings.

### Do Stroboscope Alarm Clock or VSYN+ have ads?

Neither Stroboscope Alarm Clock nor VSYN+ shows ads.

### Which is updated more often, Stroboscope Alarm Clock or VSYN+?

Stroboscope Alarm Clock ships an update every 7 months, and VSYN+ every 3 weeks. Most recently, Stroboscope Alarm Clock was updated on October 9, 2026 and VSYN+ on September 29, 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.*