Particles vs Inksignal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Particles
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Everyday the places we visit flood our brains with billions of stimuli to process second by second. This can affect our mood in different ways. Particles recognizes your feeling and creates a personalized experience using animation and binaural sounds to let you feel comfortable in any mood, in any environment. Interaction with the app is as natural as possible, just a few words spoken to your phone will allow the machine learning algorithm to generate what ambient fits your current status the best. Shaping your environment means shaping your emotions.
Inksignal
This app enhances reading speed and focus using Rapid Serial Visual Presentation (RSVP). It displays words one at a time, reducing eye strain and improving comprehension for students and professionals. Supports various file formats and URL imports.
- Rapid Serial Visual Presentation (RSVP)
- Adjustable reading speed (100-1000+ WPM)
- Import TXT, Markdown, PDF, EPUB
- Read article text from URLs
- OCR for text from images
- YouTube transcript import
- Keyboard playback control
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Reading on a screen can feel slow and tiring. Your eyes jump line to line, your focus breaks, and long reading lists keep growing. Inksignal gives you another way to read. It uses RSVP (Rapid Serial Visual Presentation): words appear one at a time at a fixed focal point, so you can keep your place and move faster with less eye strain. Built for students, researchers, and knowledge workers. What you can do with Inksignal: - Read at your pace: 100 to 1000+ words per minute with live speed control - Import real content: TXT, Markdown, PDF, and EPUB - Paste any URL and read extracted article text - Pull text from screenshots and photos with OCR - Load YouTube transcripts from video links - Control playback from the keyboard (play, pause, jump, speed up/down) - Stay focused with a minimal interface that gets out of the way Use it to review class material, clear article backlogs, or process docs before meetings. If you read a lot and want to do it faster without burning out your eyes, Inksignal is built for you.
Screenshots
Verdict
The clearest difference is iOS requirement: Particles at 15.4 against Inksignal's 17.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Particles | Inksignal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrea Masturzo | Dylan Shade |
In-app purchases
Particles
No in-app purchases
Inksignal
No in-app purchases









