# KT DocFlow vs Fast ZIP Extractor

The clearest difference is in-app purchases: KT DocFlow at none against Fast ZIP Extractor's 2. KT DocFlow also leads on update cadence (every 8 days vs every 5 weeks) and iOS requirement (11.0 vs 16.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Fast ZIP Extractor sells 2 in-app purchases, starting at $4.99 per 7 days. KT DocFlow asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KT DocFlow against 5.0 for Fast ZIP Extractor. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

KT DocFlow ships an update every 8 days, Fast ZIP Extractor every 5 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KT DocFlow | Fast ZIP Extractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/kt-docflow/id1400034836/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fast-zip-extractor-unzip/id6762128450/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 5 weeks |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 64 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazakhtelecom JSC](https://appshunter.io/developer/1232545321) | [海青 翟](https://appshunter.io/developer/1852400057) |

## What reviewers say

### KT DocFlow

[App page](https://appshunter.io/ios/app/kt-docflow/id1400034836)

Access corporate email and specific IBM Notes modules on your mobile device. This application provides web access for internal users and clients.

**Highlights:** Corporate email access, IBM Notes module integration, Web-based access, Internal user focused, Client access

**In-app purchases:** none


### Fast ZIP Extractor

[App page](https://appshunter.io/ios/app/fast-zip-extractor-unzip/id6762128450)

Easily extract and compress various archive formats directly from cloud links or your local device. Supports password-protected files and offers a preview option before extraction. Compress documents, images, audio, and video with a single tap.

**Highlights:** Extract from cloud links, Supports ZIP, RAR, 7Z formats, Password-protected file extraction, Compress any file type, Preview files before extraction, Direct email sharing, Local and private file handling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week VIP | $4.99 | per 7 days |
| Lifetime membership | $59.99 | one-time |


## Frequently asked questions

### Is KT DocFlow free?

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

### Is Fast ZIP Extractor free?

Fast ZIP Extractor is free to download, with in-app purchases available.

### Which has better reviews, KT DocFlow or Fast ZIP Extractor?

KT DocFlow and Fast ZIP Extractor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do KT DocFlow or Fast ZIP Extractor have ads?

Neither KT DocFlow nor Fast ZIP Extractor shows ads.

### Which is updated more often, KT DocFlow or Fast ZIP Extractor?

KT DocFlow ships an update every 8 days, and Fast ZIP Extractor every 5 weeks. Most recently, KT DocFlow was updated on November 2, 2026 and Fast ZIP Extractor on October 31, 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.*