# EQLEM B2B vs Light + Building Istanbul

The clearest difference is ads: EQLEM B2B at none against Light + Building Istanbul's shown. EQLEM B2B also leads on update cadence (fortnightly vs every 11 months) and iOS requirement (12.0 vs 16.6). On price, 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.

EQLEM B2B ships an update fortnightly, Light + Building Istanbul every 11 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EQLEM B2B | Light + Building Istanbul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 11 months |
| Size | 58 MB | 85 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EQLEM YAZILIM](https://appshunter.io/developer/1625674454) | [MESSE FRANKFURT ISTANBUL ULUSLARARASI FUARCILIK LIMITED SIRKETI](https://appshunter.io/developer/1733464172) |

## What reviewers say

### EQLEM B2B

[App page](https://appshunter.io/ios/app/eqlem-b2b/id6444068586)

**Features:** macOS Compatibility

**In-app purchases:** none


### Light + Building Istanbul

[App page](https://appshunter.io/ios/app/light-plus-building-istanbul/id6737268034)

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

**In-app purchases:** none


## Frequently asked questions

### Is EQLEM B2B free?

EQLEM B2B is free to download, with no in-app purchases.

### Is Light + Building Istanbul free?

Light + Building Istanbul is free to download, with no in-app purchases.

### Do EQLEM B2B or Light + Building Istanbul have ads?

Light + Building Istanbul shows ads; EQLEM B2B does not.

### Which is updated more often, EQLEM B2B or Light + Building Istanbul?

EQLEM B2B ships an update fortnightly, and Light + Building Istanbul every 11 months. Most recently, EQLEM B2B was updated on November 7, 2026 and Light + Building Istanbul on October 30, 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.*