# +ZEISS vs SmartLab

The clearest difference is update cadence: +ZEISS at every 11 days against SmartLab's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

+ZEISS ships an update every 11 days, SmartLab every 3 weeks. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | +ZEISS | SmartLab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 82 MB | 30 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Altino](https://appshunter.io/developer/1552262118) | [PWI](https://appshunter.io/developer/992881186) |

## What reviewers say

### +ZEISS

[App page](https://appshunter.io/ios/app/plus-zeiss/id1552262116)

Stay updated with the ZEISS universe. Get business tips, access promotions, track orders, and manage your optical store. Receive real-time delivery updates and important notifications.

**Highlights:** Business tips and promotions, Order tracking and management, Real-time delivery information, Invoice management, Notification system for order delays, Promotions and campaigns

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

**In-app purchases:** none


### SmartLab

[App page](https://appshunter.io/ios/app/smartlab/id6448129547)

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

**In-app purchases:** none


## Frequently asked questions

### Is +ZEISS free?

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

### Is SmartLab free?

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

### Do +ZEISS or SmartLab have ads?

Neither +ZEISS nor SmartLab shows ads.

### Which is updated more often, +ZEISS or SmartLab?

+ZEISS ships an update every 11 days, and SmartLab every 3 weeks. Most recently, +ZEISS was updated on September 29, 2026 and SmartLab on October 6, 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.*