# ScratchQuartets vs OneTouchVibrationTimer

The clearest difference is rating: OneTouchVibrationTimer at 3.7 against ScratchQuartets's 1.0. OneTouchVibrationTimer also leads on review sentiment (33% vs 0%) and update cadence (every 6 weeks vs every 68 months). ScratchQuartets's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OneTouchVibrationTimer sells 1 in-app purchase, starting at $1.49 per month. ScratchQuartets asks for nothing beyond the download.

OneTouchVibrationTimer holds the better App Store score, 3.7 against 1.0. That said, the two scores are not equally well evidenced: OneTouchVibrationTimer has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ScratchQuartets's written reviews are positive against 33% of OneTouchVibrationTimer's.

ScratchQuartets ships an update every 68 months, OneTouchVibrationTimer every 6 weeks. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ScratchQuartets | OneTouchVibrationTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/scratchquartets/id1514952296/reviews) | **[3.7 (6 ratings)](https://appshunter.io/ios/app/onetouchvibrationtimer/id1600797388/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 68 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 77 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taps and Swipes](https://appshunter.io/developer/300548459) | [mizukami takamasa](https://appshunter.io/developer/1540548537) |

## What reviewers say

### ScratchQuartets

[App page](https://appshunter.io/ios/app/scratchquartets/id1514952296)

This app helps organize barbershop quartet competitions by randomly assigning singers to each voice and selecting a song. It's designed for large groups like choruses to facilitate fun, random performances.

**Highlights:** Random quartet generation, Singer assignment by voice, Random song selection, Add unlimited singers, Add custom songs

**Features:** macOS Compatibility

**In-app purchases:** none


### OneTouchVibrationTimer

[App page](https://appshunter.io/ios/app/onetouchvibrationtimer/id1600797388)

This utility app allows you to set interval timers with a single tap, receiving silent vibration notifications when the timer ends. It functions in the background, even when the screen is off or the app is closed, and displays the calculated end time for convenience.

**Highlights:** One-tap timer setting, Vibration notifications, Background operation, Calculated end time display, Customizable time intervals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JOIN | $1.49 | per month |


## Frequently asked questions

### Is ScratchQuartets free?

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

### Is OneTouchVibrationTimer free?

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

### Which has better reviews, ScratchQuartets or OneTouchVibrationTimer?

OneTouchVibrationTimer is rated higher. ScratchQuartets averages 1.0 out of 5 from 1 ratings, while OneTouchVibrationTimer averages 3.7 from 6 ratings.

### Do ScratchQuartets or OneTouchVibrationTimer have ads?

Neither ScratchQuartets nor OneTouchVibrationTimer shows ads.

### Which is updated more often, ScratchQuartets or OneTouchVibrationTimer?

ScratchQuartets ships an update every 68 months, and OneTouchVibrationTimer every 6 weeks. Most recently, ScratchQuartets was updated on October 8, 2026 and OneTouchVibrationTimer 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.*