O vs Souj
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O
This app helps you manage your weight and physical data. It collects information from body fat scales and your smartphone to calculate and store various health metrics.
- Body data collection
- Health data analysis
- Health data storage
- Calculates health indices
- Integrates with body fat scales
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In a word: manage the user's weight and physical data Application introduction: APP is divided into three parts: body data collection, health data analysis and health data storage. collect body fat scale’s and smart phone APP data, calculate and store various health index of human's body.
Souj
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Save every place worth remembering — without losing them in screenshots and group chats. Souj turns your favorite places into searchable, shareable collections. Paste a Google Maps link to save a coffee shop. Drop pins from your trip. Organize them on a map. Share with friends — or keep them private. Built for explorers, foodies, parents, and anyone who has ever asked "wait, what was that place called?" WHAT YOU CAN DO • SAVE A PLACE IN ONE TAP Paste any Google Maps, Apple Maps, or OpenStreetMap link — name, address, coordinates, and metadata fill in automatically. Add your own Markdown notes, cover images, and source links. • ORGANIZE INTO COLLECTIONS Group places by trip, neighborhood, theme — anything. Public, private, or invite friends to collaborate. • EXPLORE NEARBY ON A MAP See what's around you: restaurants, cafés, parks, public toilets, AEDs. Filter by category, color tag, or your saved interests. • REVIEW & RATE Rate places, write reviews, mark them recommended or not. Keep your reviews public or private. • FOLLOW CREATORS YOU TRUST See what new places Taiwanese travel, food, parenting, and coffee creators are adding. WHAT'S ALREADY INSIDE • Curated lists from Taiwanese creators across food, coffee, bars, parenting, and travel • Public-utility maps from Taiwan government open data — toilets, AEDs, accessible facilities, parking • 8 languages: English, 繁體中文, 简体中文, 日本語, 한국어, ไทย, Tiếng Việt, Bahasa Indonesia PRIVACY YOU CAN COUNT ON • No ads. No IDFA. No tracking SDKs. • Your data is never sold or rented to third parties. • Account deletion is one tap, with a 30-day grace period. souj.io · support@souj.io
Screenshots
Verdict
The clearest difference is update cadence: Souj at every 8 days against O's every 3 weeks. O's advantage is iOS requirement (9.0 vs 16.0). 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.
O ships an update every 3 weeks, Souj every 8 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.
| Parameter | O | Souj |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 91 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen LINGXI Technology Co., Ltd | Moonote Co., Ltd. |
In-app purchases
O
No in-app purchases
Souj
No in-app purchases









