Belly Boi vs biotys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Belly Boi
This app helps you monitor your daily mood, stomach health, and food intake. It features a journal, custom tags, and image additions for each entry. Track your gut mood for IBS and gastrointestinal issues with monthly and annual statistics.
- Daily mood tracking
- Journal entry writing
- Gut mood and IBS tracking
- Food intake logging
- Custom tags for entries
- Monthly and annual stats
- Cross-device sync
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Track your daily mood, your belly and your meals. - Keep track of your daily mood - Write out your daily journal entry - Track your gut mood for IBS and gastro issues - Keep note of the foods that affect your stomach throughout the day - In-app calendar with monthly and annual stats - Custom tags for each entry - Add daily images - Get notifications on all your devices - Sync between your iPhone, iPad, Watch and Mac - Display widgets on your home screen - Lock the app with Face/Touch ID If you have any feedback or questions, get in touch in the app! Terms: https://www.sleepyboystudios.com/terms
biotys
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biotys allows you to easily keep track of what you eat and drink in order to better understand your digestion and improve your wellbeing, privately and for free. Disclaimer The services provided by biotys are not intended to provide medical advice. For medical advice that addresses your specific and individual needs, please always consult a qualified healthcare professional. Please check our Terms of Use for more details: https://biotys.ch/terms
Screenshots
Verdict
The clearest difference is in-app purchases: biotys at none against Belly Boi's 1. biotys also leads on iOS requirement (13.0 vs 15.0). Belly Boi's advantage is device support (5 vs 3). On price, update cadence 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. Belly Boi sells 1 one-off in-app purchase. biotys asks for nothing beyond the download.
Belly Boi ships an update every 6 months, biotys every 5 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.
| Parameter | Belly Boi | biotys |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 12 MB |
| Age rating | 4+ | 12+ |
| Developer | Sleepy Boy Studios Ltd | Amir Aiouaz |
In-app purchases
Belly Boi
- Support the app$2.99
biotys
No in-app purchases
