# DELTA BIC Zone vs eSign Assistant+

The clearest difference is rating: eSign Assistant+ at 5.0 against DELTA BIC Zone's 1.0. DELTA BIC Zone's advantage is update cadence (monthly vs every 3 months) and iOS requirement (14.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

eSign Assistant+ holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

DELTA BIC Zone ships an update monthly, eSign Assistant+ every 3 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | DELTA BIC Zone | eSign Assistant+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/delta-bic-zone/id1483410027/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/esign-assistant-plus/id6497228439/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 37 MB | 234 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [Tpv Display Technology (China) Limited](https://appshunter.io/developer/1741305926) |

## What reviewers say

### DELTA BIC Zone

[App page](https://appshunter.io/ios/app/delta-bic-zone/id1483410027)

This app provides comprehensive LED lighting solutions and system integration services. It offers a range of LED products and services like lighting design and energy-saving plans.

**Highlights:** LED product catalog, System integration services, Lighting design, Energy-saving plans, Technical support, Project management

**Features:** Vision Pro support

**In-app purchases:** none


### eSign Assistant+

[App page](https://appshunter.io/ios/app/esign-assistant-plus/id6497228439)

This app helps manage and project content onto ePaper electronic ink screen digital signage. It offers template editing, device and member management, and quick projection features for various meeting and display needs.

**Highlights:** Template management with editing and previews, Bluetooth device management with status, Member list import and management, Group management for templates, devices, and members, One-click image projection, Multilingual support (Chinese, English)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DELTA BIC Zone free?

DELTA BIC Zone is free to download, with no in-app purchases.

### Is eSign Assistant+ free?

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

### Which has better reviews, DELTA BIC Zone or eSign Assistant+?

eSign Assistant+ is rated higher. DELTA BIC Zone averages 1.0 out of 5 from 1 ratings, while eSign Assistant+ averages 5.0 from 1 ratings.

### Do DELTA BIC Zone or eSign Assistant+ have ads?

Neither DELTA BIC Zone nor eSign Assistant+ shows ads.

### Which is updated more often, DELTA BIC Zone or eSign Assistant+?

DELTA BIC Zone ships an update monthly, and eSign Assistant+ every 3 months. Most recently, DELTA BIC Zone was updated on October 29, 2026 and eSign Assistant+ on October 27, 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.*