# oSold vs 保质期

The clearest difference is in-app purchases: oSold at none against 保质期's 3. oSold also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. 保质期 sells 3 in-app purchases, starting at $0.99 per month. oSold asks for nothing beyond the download.

oSold ships an update every 2 weeks, 保质期 every 9 days. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | oSold | 保质期 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osold/id6473840432/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kaiyu Lei](https://appshunter.io/developer/1686737227) | [利 张](https://appshunter.io/developer/1860158280) |

## What reviewers say

### oSold

[App page](https://appshunter.io/ios/app/osold/id6473840432)

This offline sales application helps entrepreneurs manage their business operations. It offers features like AI-powered checkout, multi-dimensional sales reports, and effortless data export to streamline sales and inventory management.

**Highlights:** AI Smart Checkout, Multi-Dimensional Sales Reports, Effortless Data Export, Multi-Currency Support, Smart Inventory Management, Cross-Device Sync

**Features:** macOS Compatibility

**In-app purchases:** none


### 保质期

[App page](https://appshunter.io/ios/app/id6760452180)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 保质期月度订阅 | $0.99 | per month |
| 保质期季度订阅 | $2.99 | per 3 months |
| 保质期年度订阅 | $6.99 | per year |


## Frequently asked questions

### Is oSold free?

oSold is free to download, with no in-app purchases.

### Is 保质期 free?

保质期 is free to download, with in-app purchases available.

### Do oSold or 保质期 have ads?

Neither oSold nor 保质期 shows ads.

### Which is updated more often, oSold or 保质期?

oSold ships an update every 2 weeks, and 保质期 every 9 days. Most recently, oSold was updated on October 21, 2026 and 保质期 on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*