# 识之 vs SmartScan

The clearest difference is in-app purchases: 识之 at none against SmartScan's 4. 识之 also leads on iOS requirement (10.0 vs 13.0). SmartScan's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. SmartScan sells 4 in-app purchases, starting at $0.99 per month. 识之 asks for nothing beyond the download.

识之 ships an update every 3 months, SmartScan every 5 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 识之 | SmartScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 53 MB | 34 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亮 钟](https://appshunter.io/developer/1437141355) | [棒 杨](https://appshunter.io/developer/1804927261) |

## What reviewers say

### 识之

[App page](https://appshunter.io/ios/app/ai/id1441597334)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartScan

[App page](https://appshunter.io/ios/app/smartscan-ai-image-recognition/id6743857758)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一拍识图 VIP连续包月 | $0.99 | per month |
| 一拍识图 VIP连续包季(3个月) | $2.99 | per 3 months |
| 一拍识图 VIP连续包年 | $7.99 | per year |
| 一拍识图高级功能次数购买(16次) | $0.99 | one-time |


## Frequently asked questions

### Is 识之 free?

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

### Is SmartScan free?

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

### Do 识之 or SmartScan have ads?

识之 shows ads; SmartScan does not.

### Which is updated more often, 识之 or SmartScan?

识之 ships an update every 3 months, and SmartScan every 5 days. Most recently, 识之 was updated on October 13, 2026 and SmartScan on October 14, 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.*