Aceto vs ZoneOut App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aceto
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Meet aceto The aceto app is your personal fat-burning companion. Paired with the aceto Go breath acetone meter, it turns the fat-burning signals (acetone) in your breath into daily trends. We make your body management visible so you can go the distance. [Real-Time Fat Burn Measurement] Just take a breath, and the app instantly displays your current fat-burning level. From "not yet started" to "high-speed fat burn," your status is clear at a glance. [Integrated Diet Logging] Track your daily food choices and compare them with changes in your breath acetone. See exactly "which meal boosts your fat burn, and which one slows it down." [Multi-Dimensional Data Tracking] Consolidate your daily weight, body fat, and acetone data. Overlay acetone charts with weight, body fat, fasting, and water intake. Review the trajectory of your bodily changes to discover your unique metabolism rhythm. [Fasting & Water Tracker] Set your eating and fasting windows to help your body build a regular metabolic rhythm. Log your daily water intake and set reminders—let every sip of water fuel your metabolism. *This app requires the aceto Go breath acetone meter hardware to function. *This product is not a medical device and is intended for health management and monitoring purposes only. *For any health-related decisions, please consult your physician or professional medical personnel.
ZoneOut App
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You're busy because the cup was already full. ZoneOut is not a productivity app — it's the opposite. It helps you practice doing nothing. Here, you "go public" and get your own ticker code. Each day you stop and rest for a while, it's logged as a candlestick. The more regular you are, the steadier your "price." This is not real investing — no real money, no trading. The stock market is just a metaphor that makes resting visible, like tending a little stock that's yours. Five ways to rest — pick the one that fits right now: · Zone Out — do nothing, let your thoughts settle · Relax — let the tension go · Let Go — write down what weighs on you, then release it · Meditate & Flow — unlock as you go, at your own pace · Candles & Score: see the rhythm of your daily rest · Market value: turn your rest hours into a purely referential "market value," and toggle between index and value · A milestone ladder: morning outlook cards, Meditate, Flow… unlocked step by step · You can graduate: when you've learned, you can delist — leaving isn't losing Our promises: · We won't tether you or guilt you back with notifications · We won't punish a healthy exit · We won't push overuse · We won't lock features behind a paywall Free, supported by ads. Nothing is something.
Screenshots
Verdict
The clearest difference is ads: Aceto at none against ZoneOut App's shown. Aceto also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, 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.
Aceto ships an update weekly, ZoneOut App every 4 days. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.
| Parameter | Aceto | ZoneOut App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 37 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Fitz Inc. | Roy Chien |
In-app purchases
Aceto
No in-app purchases
ZoneOut App
No in-app purchases









