# VOCs在线监管平台 vs Date Stamp Camera

The clearest difference is in-app purchases: VOCs在线监管平台 at none against Date Stamp Camera's 7. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Date Stamp Camera sells 7 in-app purchases, starting at $1.99 per 7 days. VOCs在线监管平台 asks for nothing beyond the download.

VOCs在线监管平台 ships an update monthly, Date Stamp Camera every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VOCs在线监管平台 | Date Stamp Camera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 52 MB | 47 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Nanjing Zsplat Technology Co.,LTD](https://appshunter.io/developer/1299612063) | [Mikhail Tarasov](https://appshunter.io/developer/1741284875) |

## What reviewers say

### VOCs在线监管平台

[App page](https://appshunter.io/ios/app/vocs/id1539893094)

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

**In-app purchases:** none


### Date Stamp Camera

[App page](https://appshunter.io/ios/app/date-stamp-camera-datestamp/id6759110843)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| -50% OFF SPECIAL OFFER | $1.99 | per 7 days |
| A weekly subscription for you | $2.99 | per 7 days |
| A weekly subscription for you | $6.99 | per 7 days |
| -50% OFF SPECIAL OFFER | $9.99 | per year |
| Year subs | $19.99 | per year |
| One-time purchase sale | $17.99 | one-time |
| One-time purchase | $29.99 | one-time |


## Frequently asked questions

### Is VOCs在线监管平台 free?

VOCs在线监管平台 is free to download, with no in-app purchases.

### Is Date Stamp Camera free?

Date Stamp Camera is free to download, with in-app purchases available.

### Do VOCs在线监管平台 or Date Stamp Camera have ads?

Neither VOCs在线监管平台 nor Date Stamp Camera shows ads.

### Which is updated more often, VOCs在线监管平台 or Date Stamp Camera?

VOCs在线监管平台 ships an update monthly, and Date Stamp Camera every 3 weeks. Most recently, VOCs在线监管平台 was updated on October 27, 2026 and Date Stamp Camera 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.*