# Slack vs Intechno Clock

The clearest difference is chart position: Slack at #21 against Intechno Clock's unranked. Intechno Clock's advantage is update cadence (every 3 days vs weekly) and iOS requirement (15.6 vs 17.0). 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.

Slack ships an update weekly, Intechno Clock every 3 days. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Slack | Intechno Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (54K ratings)](https://appshunter.io/ios/app/slack/id618783545/reviews)** | — |
| Number of ratings | **54K** | — |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | — |
| Best chart rank | **#21** | — |
| Size | 352 MB | 29 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Slack Technologies, Inc.](https://appshunter.io/developer/453420243) | [InTechno Software Private Limited](https://appshunter.io/developer/1762782510) |

## What reviewers say

### Slack

[App page](https://appshunter.io/ios/app/slack/id618783545)

**Currently charting:** #21 Top Free · Business (US App Store)

This app streamlines business communication by bringing together coworkers, customers, and contractors in a secure, unified workspace. It offers AI-powered search and summarization, automation tools, and integrations with over 2,600 apps to reduce busywork and improve collaboration.

**Highlights:** Unified workspace for teams and external partners, AI-powered search and conversation summarization, Video conferencing with screen sharing, Voice notes for clear communication, Organized channels for projects and topics, Integrations with over 2,600 apps, Automation of routine tasks

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent communication tool
- 👍 Intuitive interface
- 🔒 Secure and reliable
- 💡 Helpful integrations and features
- 🚀 Seamless mobile experience

**What reviewers complain about**

- 🐛 Inconsistent notifications
- 🔍 Cluttered and confusing UI
- 🔋 High battery consumption
- 🔍 Difficult to manage multiple workspaces
- 🐛 Bugs and glitches

**Reported bugs**

- Messages failing to send or upload
- Notifications not working as expected
- Frequent app crashes and freezes
- Syncing issues between desktop and mobile
- Compatibility problems with older devices

**Requested features**

- Customizable do not disturb schedules
- Improved search and organization
- Better integration with other productivity apps
- More granular notification controls
- Ability to edit/delete old messages


### Intechno Clock

[App page](https://appshunter.io/ios/app/intechno-clock-in/id6775799826)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slack free?

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

### Is Intechno Clock free?

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

### Do Slack or Intechno Clock have ads?

Neither Slack nor Intechno Clock shows ads.

### Which is updated more often, Slack or Intechno Clock?

Slack ships an update weekly, and Intechno Clock every 3 days. Most recently, Slack was updated on October 17, 2026 and Intechno Clock on September 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.*