FertAdvisor vs EntoLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FertAdvisor
This app helps homeowners and turfgrass professionals calculate fertilizer needs for lawns. It provides tools for spreader calibration, label interpretation, and application guidance through animations and videos.
- Fertilizer amount calculation
- Spreader calibration
- Fertilizer label reading
- Application technique guidance
- Soil sampling videos
- Area calculation
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FertAdvisor assists homeowners and turfgrass practitioners in calculating the amount of lawn fertilizer needed, drop and rotary spreader calibration, and reading a fertilizer label to properly apply fertilizer to turfgrass areas. Built in calculators help you determine how much fertilizer will be needed to properly fertilize turfgrass areas, streamline calibration calculations, calculate the amount of nitrogen, phosphate and potash that will be applied to their area based on the fertilizer selected. Animations and videos guide turfgrass enthusiasts on how to take a soil sample, properly apply fertilizer using drop and rotary spreaders, calibrate a fertilizer spreader, and calculate lawn surface area. Tips on application techniques, accurate calibration, proper fertilizer timing, nitrogen source selection combine to provide users a comprehensive tool that will help ensure accurate applications and reduce misapplications that can potentially damage turfgrass, waste fertilizer and/or pose environmental risk.
EntoLens
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Curious about the insect you just found? EntoLens uses advanced AI to identify any insect or arthropod from a single photo. Whether you are a nature enthusiast, gardener, student, or simply curious, EntoLens turns your camera into a powerful identification tool. INSTANT AI IDENTIFICATION Take a photo or choose one from your gallery. Our AI engine analyzes the image and delivers detailed results in seconds — common and scientific names, full taxonomy, and a confidence score. COMPREHENSIVE SPECIES INFORMATION Every identification provides rich details to deepen your understanding: - Taxonomy: Order, Family, Genus, and Species classification - Life Stage: Adult, Larva, Pupa, Egg, or Exuvia - Danger Level: From harmless to deadly, with clear handling advice - Ecological Role: Pollinator, pest, decomposer, beneficial, or neutral - Habitat: Forests, grasslands, wetlands, urban areas, and more - Activity Pattern: Diurnal, nocturnal, or crepuscular - Diet and Distribution: What it eats and where it is found - Seasonality: When you are most likely to encounter it SIMILAR SPECIES COMPARISON See similar species side by side with key differences highlighted and confidence scores for each, helping you compare and confirm the identification. BUILD YOUR PERSONAL COLLECTION Save every identification to your personal insect collection. Track your progress with stats — total species discovered, observations logged, families identified, and rare finds. Mark favorites and revisit any past observation. OBSERVATION HISTORY Browse your complete history in chronological order. Review past identifications, check details, and manage your records. DESIGNED FOR EVERYONE - Nature lovers and hikers exploring the outdoors - Gardeners identifying pests and beneficial insects - Students and educators seeking a learning tool - Citizen scientists contributing to entomology - Families discovering nature together PHOTOGRAPHY TIPS Built-in tips help you capture the best photos for accurate results — close-ups, lighting, angles, and backgrounds. MULTILINGUAL SUPPORT Results available in English and Japanese. CUSTOMIZABLE EXPERIENCE Light and dark themes with system auto-detection. Clean, intuitive interface for all skill levels. Download EntoLens and start exploring the fascinating world of insects around you. Every bug has a story — let AI help you discover it.
Screenshots
Verdict
The clearest difference is iOS requirement: FertAdvisor at 9.0 against EntoLens's 15.1. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | FertAdvisor | EntoLens |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 65 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | University of Connecticut | akira kawata |
In-app purchases
FertAdvisor
No in-app purchases
EntoLens
No in-app purchases









