LI vs Tammad
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LI
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This free application allows for remote control of the LI-COR LI-8100A Automated Soil CO2 Flux System for long-term or survey measurements of soil CO2 flux. You can perform any action from your iPhone, iPad, or iPod Touch that is available from the LI-8100A Windows® Application Software. Uses Wi-Fi for local connection to any LI-8100A Analyzer Control Unit with an installed wireless PCMCIA (PC) card. After connection, simple menus provide for setup and configuration of the LI-8100A measurement protocols, data collection parameters, manual control over soil chamber opening and closing, starting a measurement, and real-time viewing of output variables, among others.
Tammad
Manage support tickets on the go with this unofficial client for an open-source helpdesk system. Create, update, and search tickets with full HTML content and attachment support. Receive instant notifications and enjoy a native iOS experience with dark mode optimization.
- Native iOS experience
- Ticket creation and updates
- HTML content and attachments
- Powerful ticket search
- Notification overview
- Secure credential storage
- Dark mode support
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Tammad is the unofficial iOS client for Zammad, the popular open-source helpdesk system. Stay connected with your support team and manage tickets from anywhere. Key Features: Native Experience: Built with SwiftUI for a fast, fluid, and modern iOS experience. Ticket Management: View, create, and update tickets directly from your iPhone. Rich Content: Full support for HTML ticket content and attachments. Search: Powerful search to find any ticket instantly. Notifications: Stay updated with an overview of your unread notifications. Secure: Your credentials are stored safely in the iOS Keychain. Dark Mode: Fully optimized for both light and dark appearances. Requirements: A Zammad instance (self-hosted or managed) Zammad account credentials Note: Tammad is an independent project and is not affiliated with Zammad GmbH. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: LI at none against Tammad's 2. LI also leads on iOS requirement (6.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tammad sells 2 in-app purchases, starting at $2.99 per month. LI asks for nothing beyond the download.
LI ships an update every 2 months, Tammad monthly. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.
| Parameter | LI | Tammad |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 6.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | LI-COR Biosciences | Thomas Entner |
In-app purchases
LI
No in-app purchases
Tammad
- Monthly7 Days trial$2.991 Month
- Yearly7 Days trial$24.991 Year









