Engineering Cookbook vs Carrier® Comm Lit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Engineering Cookbook
A handy reference guide for mechanical designers, offering quick access to essential information on fan basics, system and duct design, motors, heating, refrigeration, and conversion factors.
- Fan Basics
- System Design
- Duct Design
- Motors & Drives
- Heating & Refrigeration
- Formulas & Conversion Factors
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The Engineering Cookbook is a convenient reference guide for mechanical designers. It provides "fingertip" access to frequently needed information, including: • Fan Basics • System Design • Duct Design • Motors & Drives • Heating & Refrigeration • Formulas & Conversion Factors
Carrier® Comm Lit
Access technical documents for Carrier® products directly from your mobile device. Filter searches by document type and status to find current or non-current information.
- Search technical documents
- Filter by document type
- Filter by document status
- Access from mobile device
- Find current and non-current documents
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The Carrier® Commercial Technical Literature Search Application allows a technician to search for all technical documents available for Carrier® products, directly from their mobile device. Searches can be restricted to a particular document type and/or document status (current or non-current).
Screenshots
Verdict
The clearest difference is review sentiment: Engineering Cookbook at 73% against Carrier® Comm Lit's 0%. Engineering Cookbook also leads on rating (4.5 vs 2.6). Carrier® Comm Lit's advantage is iOS requirement (5.1.1 vs 13.0). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
Engineering Cookbook holds the better App Store score, 4.5 against 2.6. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 73% of Engineering Cookbook's written reviews are positive against 0% of Carrier® Comm Lit's.
Engineering Cookbook ships an update every 34 months, Carrier® Comm Lit every 28 months. Both last shipped on November 6, 2026.
| Parameter | Engineering Cookbook | Carrier® Comm Lit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | 2.6 (5 ratings) |
| Positive reviews | 72.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 34 months | Every 28 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 5.1.1 — better |
| Further details — not scored | ||
| Size | 45 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Loren Cook Company | Carrier Corporation |
Customer experience
Engineering Cookbook
Carrier® Comm Lit
In-app purchases
Engineering Cookbook
No in-app purchases
Carrier® Comm Lit
No in-app purchases
