ToneScope vs Scrolla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ToneScope
This audio analysis tool offers real-time and offline sound signal processing. It utilizes a multirate FFT for high frequency resolution and efficiency on iOS devices. All data processing is done locally, ensuring user privacy.
- Real-time audio analysis
- Offline sound signal analysis
- Multirate FFT processing
- High frequency resolution
- On-device processing
- Local audio recording
Read full descriptionHide full description
ToneScope helps you see and understand sound in real time. ToneScope transforms complex audio into visual representations that are easy to interpret. Whether you're exploring music, investigating environmental noise, or simply curious about the sounds around you, ToneScope makes sound easier to understand. It uses a multirate FFT approach to achieve high frequency resolution at low frequencies while remaining efficient for real-time use on iOS. Users can analyze audio in real time or record sound locally and analyze it later. All processing is performed entirely on-device. Optional audio recordings are saved locally under user control. No data is transmitted, uploaded, or collected. Designed and developed by Newton Niu.
Scrolla
Easily combine multiple screenshots into a single, long image. Capture scrolling content or entire webpages, then edit and export in various formats. Protect sensitive information with mosaic and watermark tools.
- Automatic smart stitching
- Manual stitch adjustment
- Scroll capture for long content
- Webpage snapshot functionality
- Crop, mosaic, border, and watermark editing
- Export as high-resolution images or PDF
- On-device processing for privacy
Read full descriptionHide full description
Scrolla — Long Screenshot Stitcher & Scroll Capture Turn any long chat, webpage or document into one clean, complete long image. 【SMART STITCHING】 · Automatically detects overlapping areas and merges screenshots seamlessly · Fine-tune stitch positions manually for pixel-perfect results · Perfect for chat history, articles, receipts and documents 【SCROLL CAPTURE】 · Start screen recording, scroll through the content, and stop · Scrolla automatically turns the recording into one full-length screenshot · No more taking screenshots one by one 【WEBPAGE SNAPSHOT】 · Paste or share a link to capture the entire webpage as a long image 【EDITING TOOLS】 · Crop: trim away anything you don't need · Mosaic: swipe to hide sensitive information · Border: add elegant frames and rounded corners · Watermark: protect your content with custom text watermarks 【EXPORT & SHARE】 · Export high-resolution images with adjustable quality · Export as PDF documents · Save to Photos or share directly to any app 【PRIVACY FIRST】 · All images and recordings are processed entirely on your device · No servers, no third-party ads or analytics SDKs GREAT FOR Saving chat conversations / archiving articles / keeping order receipts / creating tutorials / sharing long posts on social media / work reports MEMBERSHIP Upgrade to Scrolla Pro to unlock watermark removal, HD export and all premium features. Subscriptions auto-renew: payment is charged to your Apple ID account at purchase confirmation, and renews within 24 hours before the current period ends. Manage or cancel anytime in Settings > Apple ID > Subscriptions. A one-time lifetime purchase is also available. Privacy Policy: https://mcnzv1vkrtox.feishu.cn/wiki/EQpCwXxbKi3FJdkXY6UcbTdpnnb Terms of Use: https://mcnzv1vkrtox.feishu.cn/wiki/OjJHwAxdEiUvDKk0xjfcj5Xtnzg
Screenshots
Verdict
The clearest difference is rating: ToneScope at 5.0 against Scrolla's 4.4. ToneScope also leads on in-app purchases (none vs 3). Scrolla's advantage is update cadence (every 3 days vs every 10 days) and ratings volume (14 vs 4). On price, ads, device support and iOS requirement 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
Both are free to download. Scrolla sells 3 one-off in-app purchases. ToneScope asks for nothing beyond the download.
ToneScope holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 4 and 14 respectively.
ToneScope ships an update every 10 days, Scrolla every 3 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | ToneScope | Scrolla |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.4 (14 ratings) |
| Positive reviews | — | 89.2% of reviews |
| Number of ratings | 4 | 14 — better |
| Update frequency | Every 10 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Newton Niu | 玉春 蔡 |
Customer experience
ToneScope
Scrolla
In-app purchases
ToneScope
No in-app purchases
Scrolla
- Scrolla Plus$6.99
- Scrolla Pro Early Bird$6.99
- Scrolla Pro$7.99
Questions
Is ToneScope free?
Is Scrolla free?
Which has better reviews, ToneScope or Scrolla?
Do ToneScope or Scrolla have ads?
Which is updated more often, ToneScope or Scrolla?
Other comparisons















