eigenCalc vs TurfDose
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eigenCalc
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Matrix Calculator that computes eigenvalues and eigenvectors as well as SVD, and that has been tested with 228x228 matrices.
TurfDose
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An herbicide rate calculator for the DIY homeowner enthusiast! Pick your herbicide, input your square footage, and then the app will do the rest. You can also find other useful information such as weeds controlled, high and low rates on the herbicide, and a choice between warm and cool season grass.
Screenshots
Verdict
The clearest difference is iOS requirement: TurfDose at 12.0 against eigenCalc's 15.5. 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 | eigenCalc | TurfDose |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 12.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Luis Acevedo-Arreguin | Ryan Sanders |
In-app purchases
eigenCalc
No in-app purchases
TurfDose
No in-app purchases
