# JJY Simulator vs Scrollie

The clearest difference is rating: Scrollie at 4.7 against JJY Simulator's 4.2. Scrollie also leads on update cadence (weekly vs every 66 months) and review sentiment (80% vs 68%). JJY Simulator's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 16.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Scrollie sells 3 in-app purchases, starting at $0.99 per month. JJY Simulator asks for nothing beyond the download.

Scrollie holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 19 and 22 respectively. Written reviews point the same way: 68% of JJY Simulator's written reviews are positive against 80% of Scrollie's.

JJY Simulator ships an update every 66 months, Scrollie weekly. The most recent releases landed on October 23, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JJY Simulator | Scrollie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/jjy-simulator/id431054911/reviews) | **[4.7 (22 ratings)](https://appshunter.io/ios/app/scrollie-long-screenshot/id6757146579/reviews)** |
| Number of ratings | 19 | **22** |
| Positive reviews | 68.1% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 66 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 49 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NeoCat](https://appshunter.io/developer/431054914) | [锋 邹](https://appshunter.io/developer/1863829052) |

## What reviewers say

### JJY Simulator

[App page](https://appshunter.io/ios/app/jjy-simulator/id431054911)

This utility app simulates standard radio waves used by Japanese radio-controlled clocks. It outputs a 13.3kHz audio signal to synchronize your clock, allowing you to manually set the time.

**Highlights:** Simulates JJY standard radio waves, Outputs 13.3kHz audio signal, Synchronizes radio-controlled clocks, Uses 40kHz for time adjustment, Requires earphone connection

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

**In-app purchases:** none


### Scrollie

[App page](https://appshunter.io/ios/app/scrollie-long-screenshot/id6757146579)

Effortlessly combine screen recordings, sequential screenshots, or single images into a single, seamless long screenshot. This tool simplifies capturing and editing chat histories, social feeds, web pages, and more, with on-device processing for privacy.

**Highlights:** Stitch screen recordings into long screenshots, Combine multiple screenshots seamlessly, Annotate, mosaic, and watermark images, Smart overlap detection and cleanup, Export to JPEG, PNG, HEIC, PDF, Auto-save drafts, URL Scheme and Shortcuts integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $6.99 | per year |
| Lifetime Pro Access | $9.99 | one-time |


## Frequently asked questions

### Is JJY Simulator free?

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

### Is Scrollie free?

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

### Which has better reviews, JJY Simulator or Scrollie?

Scrollie is rated higher. JJY Simulator averages 4.2 out of 5 from 19 ratings, while Scrollie averages 4.7 from 22 ratings.

### Do JJY Simulator or Scrollie have ads?

Neither JJY Simulator nor Scrollie shows ads.

### Which is updated more often, JJY Simulator or Scrollie?

JJY Simulator ships an update every 66 months, and Scrollie weekly. Most recently, JJY Simulator was updated on October 23, 2026 and Scrollie on October 31, 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.*