Paper Void vs Fluffball
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Paper Void
This app provides a digital space for cathartic writing rituals, allowing users to express thoughts, worries, or unsent letters. Words are intentionally deleted after writing, offering a unique way to process emotions and let go.
- Digital freewriting for emotional release
- Unsent letter writing
- Nightly to-do list ritual
- Words are permanently deleted
- Customizable paper and handwriting styles
- Supports multiple languages and Apple Pencil Scribble
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Paper Void is a writing instrument for rituals — for your nights, your doubts, your hard moments, and for letting go. In the morning, put down what's still in your head: a worry, a dream, the first thoughts of the day. In the evening, write tomorrow down so you don't carry it to bed. In a hard moment, write the letter you will never send. Then end the page. Pinch it with two fingers until it collapses, or seal the letter in its envelope — and the words are gone. Not archived. Not in a trash folder. Gone. There is no save button, because there is nowhere to save to. WHY A PAGE THAT CANNOT BE KEPT Knowing something is saved changes what gets written. You soften it. You leave things out. You write the version you could stand to re-read — or that someone else could. Every other text field on your phone is quietly building a record, and some part of you is always writing for it. This one is building nothing. That is the whole feature. Three findings sit behind it: • Researchers at Nagoya University found that writing down a provocation and then physically crumpling the paper returned anger to baseline, while keeping the paper did not. (Kanaya & Kawai, Scientific Reports, 2024) • People who wrote down a thought and then threw the paper away gave it less weight in later judgements than people who kept it. (Briñol, Gascó, Petty & Horcajo, Psychological Science, 2013) • In a sleep-lab study, people who wrote a to-do list for the coming days before bed fell asleep faster than people who wrote about tasks they had already finished. (Scullin et al., Journal of Experimental Psychology: General, 2018) Paper Void is not a treatment and does not claim to be one. It is the paper and the bin, in your pocket, at 2am. THREE NOTEBOOKS, THREE RITUALS THE VOID — free, always A ruled page for what you need to let go of, morning or any hour. Write anything, then pinch with two fingers to crumple it. UNSENT LETTER For what you would never send. Choose who it is to — family, a friend, someone you love, yourself, someone gone — and the letter can begin with a first line for them. Write it, then pull it up into its envelope and seal it. It is sent nowhere. NIGHT LIST The evening ritual: tomorrow, so it isn't kept awake tonight. One task per line, each with its own box. Tick a task and it is struck through; the page counts what's done. Crumple it when the day is over. Unsent Letter and Night List are one-time purchases. Try one page of each, free, before you buy. THE PAGE • Each notebook has its own paper, light or dark: ruled bone, laid stationery, night paper • A handwriting typeface for your words, and the date and time the page began at the top • Writes Arabic, Hebrew, Persian, and CJK correctly — not an English text box • Apple Pencil Scribble on iPad • Paper under a pen while you write • Four line spacings; follows your text size, Increase Contrast, and Reduce Transparency • The Void can open with one line — a permission, not a prompt. Switchable. THE GESTURE • The collapse tracks your fingers in real time — it is not an animation you trigger • It crackles in time with your fingers; stop, and the sound stops • It resists through four stages, and you can call it off until the last moment • A flash, a crunch, and a ghost of your words that dissolves and takes them with it • Afterwards, one line: "47 words. Gone." WHAT IS NOT HERE • No account, no cloud, no sync — there is no server to send anything to • Nothing you write is saved. A page stays open only until you end it or close the app • No history, no undo, no export, no backup • No AI. Nothing reads what you write, because nothing keeps it • Copy and Cut are switched off. Text can come in. It cannot leave. WHAT IT IS FOR • A morning ritual: morning pages, without the drawer of full notebooks • An evening ritual: tomorrow out of your head and onto a page • The hard moment: the message you need to write and never send Write it. Crumple it. Gone.
Fluffball
This app offers a virtual pet experience with lifelike fur simulation and haptic feedback. It provides a calming, sensory interaction designed for relaxation and quiet play, suitable for all ages. Enjoy soothing sounds and customizable appearances without any ads or in-app purchases.
- Finger-responsive fur simulation
- Haptic vibration purring
- Three soothing sound options
- Customizable coat colors
- Offline functionality
- No ads or in-app purchases
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Meet your Fluffball - a soft, soothing little friend that lives on your phone. Gently pet the fur with your finger and feel it ripple beneath your touch. After a few seconds of calm, gentle attention, your Fluffball will purr softly, vibrating right through your phone. Made for soft moments. At bedtime, in the car, during a long day, after a hard feeling, or whenever someone in your house just needs something soothing to hold onto. Gentle enough for a child, calming enough for an anxious adult, and quietly satisfying for anyone who loves sensory experiences. WHAT MAKES FLUFFBALL SPECIAL - Lifelike, finger-responsive fur simulation - Real haptic vibration that purrs through your phone - Three soothing sounds: Tiger purr, Alien coo, Monster trill - Six coat colors including pick-your-own - Name your Fluffball and it will remember - Works fully offline SAFE FOR KIDS, PEACEFUL FOR YOU - No ads - No in-app purchases - No accounts or sign-ups - No tracking, ever - No streaks, scores, or goals. No pressure - No internet required - Just pet and breathe HOW TO PET Stroke gently and consistently. When your Fluffball feels safe and happy, it will start to purr. Some Fluffballs warm up faster than others. Give yours a moment. WHEN TO REACH FOR FLUFFBALL - Bedtime wind-downs for little ones - A soothing pause during a hectic day - Anxious or overwhelming moments - Quiet sensory play - Long waits, long drives, long Tuesdays Tap the little paw prints anytime to change your Fluffball's coat or sound. Your phone has never felt this soft.
Screenshots
Verdict
The clearest difference is in-app purchases: Fluffball at none against Paper Void's 2. On price, rating, ratings volume and ads 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. Paper Void sells 2 one-off in-app purchases. Fluffball asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Paper Void against 5.0 for Fluffball. Both are backed by a comparable volume of ratings — 5 and 3 respectively.
| Parameter | Paper Void | Fluffball |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 3 |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Saba Fakhri | ANDREA MARIE ARMAGANIAN |
Customer experience
Paper Void
Fluffball
In-app purchases
Paper Void
- Unsent Letter$3.99
- Notebook – Night List$3.99
Fluffball
No in-app purchases







