OS Platform vs Item Keeper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OS Platform
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一款致力于为广大视光中心和眼镜门店提供综合性服务的app, 门店工作人员可通过该app实现人员管理,销售管理,镜片功能演示,智能处方推荐等功能.
Item Keeper
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Know what you own and exactly where you put it. Item Keeper - Home Inventory is a local-first organizer for personal belongings and real-world storage locations. Create nested locations that match your home, such as: Home > Office > Cabinet > Drawer Then assign every item to its exact place. Search by name, brand, model, serial number or notes and instantly see where it is stored. Keep useful details for every item, including a cover photo, category, quantity, condition, status, brand, model, purchase date, price, currency, warranty date and notes. Key features include nested storage locations, fast search and filters, quick item moves, multi-currency estimated values, local backup and restore, CSV export and paginated PDF inventory reports. Core data is stored locally on your device, and no account is required to get started.
Screenshots
Verdict
The clearest difference is in-app purchases: OS Platform at none against Item Keeper's 1. Item Keeper's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. Item Keeper sells 1 one-off in-app purchase. OS Platform asks for nothing beyond the download.
OS Platform ships an update weekly, Item Keeper every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | OS Platform | Item Keeper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 186 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 广州中视觉健康管理有限公司 | 科茗 王 |
In-app purchases
OS Platform
No in-app purchases
Item Keeper
- Item Keeper Pro Lifetime$4.99









