The Power Factor Calc vs Tree Identifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Power Factor Calc
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Calculate electrical power factor, active power and apparent power quickly and accurately. The Power Factor Calc is a straightforward electrical utility for electricians, engineers, technicians, students and anyone working with AC power systems. Enter any two known values and the app calculates the missing value: • Power Factor — PF = P ÷ S • Active Power — P = PF × S • Apparent Power — S = P ÷ PF Features: • Calculate power factor from watts and volt-amperes • Calculate active power in watts • Calculate apparent power in volt-amperes • Clear formulas and formatted results • Built-in power factor explanation • Dark mode support • Responsive iPhone and iPad interface • Optional one-time purchase to remove advertising The app also explains the relationship between active, apparent and reactive power, making it useful as both a practical calculator and a learning reference. Whether you are checking an electrical installation, studying AC circuits or reviewing equipment efficiency, The Power Factor Calc provides the essential calculations in one convenient app. terms of use: https://dilligaf.fyi/terms-of-use
Tree Identifier
Instantly identify tree species by taking a photo of their leaves or bark. Discover detailed profiles, fun facts, and build a personal collection of identified trees. Explore local flora and expand your knowledge of the natural world.
- Instant tree identification via photo
- Leaf and bark recognition
- Detailed species profiles
- Personal field guide collection
- Trees near me feature
- Fascinating fun facts
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Point your camera at any tree and know exactly what you're looking at — in seconds. Tree Identifier instantly identifies tree species from a single photo. Snap a picture of a leaf, bark, or the whole tree and get the species name, key characteristics, and fascinating facts. WHAT YOU GET: • Instant Tree Identification — Snap a photo and get an accurate species ID with confidence level • Leaf & Bark Recognition — Identify trees by their leaves, bark patterns, or overall shape • Detailed Species Profiles — Habitat, growth patterns, uses, geographic range, and seasonal behavior • Fun Facts — Surprising details about each species that make you the expert on the trail • Personal Field Guide — Every tree you identify is saved to your collection for future reference • Trees Near Me — Browse 200+ tree species organized by region. Know what's around you PERFECT FOR: • Hikers, campers, and outdoor adventurers who want to know the forest around them • Gardeners and homeowners choosing the right trees for their yard • Nature enthusiasts and wildlife photographers building a life list • Students and educators studying botany and forestry • Parents who want to teach their kids about the natural world Whether you're on a hiking trail, in your backyard, or exploring a new park — Tree Identifier gives you the knowledge to appreciate the incredible diversity of trees worldwide. Subscription Details: Tree Identifier offers auto-renewable subscriptions for unlimited identifications. • Payment is charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • Your account is charged for renewal within 24 hours prior to the end of the current period • You can manage and cancel your subscriptions by going to your App Store account settings after purchase • Any unused portion of a free trial period will be forfeited when you purchase a subscription Privacy Policy: http://totoventures.com/privacy-policy Terms of Use: http://totoventures.com/terms-of-use
Screenshots
Verdict
The clearest difference is update cadence: Tree Identifier at every 3 weeks against The Power Factor Calc's every 2 months. On price, ads, in-app purchases 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. The Power Factor Calc sells 1 one-off in-app purchase and Tree Identifier sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
The Power Factor Calc ships an update every 2 months, Tree Identifier every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | The Power Factor Calc | Tree Identifier |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (38 ratings) — better |
| Number of ratings | — | 38 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 1BIGRIG Ltd | Toto Ventures Inc. |
In-app purchases
The Power Factor Calc
- United Kingdom$19.99
Tree Identifier
- Unlimited Identifications Weekly3 Days trial$6.997 Days
- Unlimited Identifications Annual3 Days trial$39.991 Year






