# Zigzag AI vs KTern.AI

The clearest difference is update cadence: KTern.AI at every 3 days against Zigzag AI's fortnightly. KTern.AI also leads on iOS requirement (12.0 vs 15.1). 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.

Zigzag AI ships an update fortnightly, KTern.AI every 3 days. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Zigzag AI | KTern.AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/zigzag-ai-copilot-for-teamwork/id6474414408/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 35 MB | 47 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yash Shukla](https://appshunter.io/developer/1552720053) | [Kaar](https://appshunter.io/developer/1688000543) |

## What reviewers say

### Zigzag AI

[App page](https://appshunter.io/ios/app/zigzag-ai-copilot-for-teamwork/id6474414408)

This AI-powered assistant streamlines team management by handling tasks, scheduling, and reporting through voice commands. It automates organization, prioritization, and provides proactive suggestions to enhance productivity and collaboration.

**Highlights:** AI-powered task management via voice, Intelligent auto-tagging of tasks, AI-driven team scheduling, Simplified reporting and insights, Instant knowledge access from notes, Proactive suggestions and task reassignment, Efficient bulk task operations

**Features:** macOS Compatibility

**In-app purchases:** none


### KTern.AI

[App page](https://appshunter.io/ios/app/kternai/id6673897527)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zigzag AI free?

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

### Is KTern.AI free?

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

### Do Zigzag AI or KTern.AI have ads?

Neither Zigzag AI nor KTern.AI shows ads.

### Which is updated more often, Zigzag AI or KTern.AI?

Zigzag AI ships an update fortnightly, and KTern.AI every 3 days. Most recently, Zigzag AI was updated on June 5, 2026 and KTern.AI on September 19, 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.*