Comparison

e vs Soil Sampler.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

e

This scientific calculator supports engineering notation with prefixes like pico, nano, and mega. It offers a history feature to review past calculations and allows editing of formulas for recalculation. The free version has some limitations on history scrolling and saving.

Highlights
  • Scientific notation support
  • Engineering multipliers (p, n, u, m, k, M)
  • History of past calculations
  • Editable formulas for recalculation
  • Unit conversion for engineering prefixes
Features
Read full description

This calculator can be used not only in scientific notation(e.g. 1E-6) but also using engineering multipliers(e.g. p,n,u,m,k,M). By pressing the [ENG] button, the display of calculation result will change. (e.g. 1E-9 or 1n) Calculation results in the past is displayed in the history area. When you tap the formula area , you will be able to edit it. You will be able to re-calculate. Unit that can be entered from the button is p = 1E-12, n = 1E-9, u = 1E-6, m = 1E-3, k = 1E3, M = 1E6. (f = 1E-15 and G = 1E9 is used for display only). iPhone4 can display four lines in history area. iPhone5 can display 9 lines. The main limitations of Free version is as follows. you can not scroll history area. History is not saved when you exit.

About

Soil Sampler.

This application simplifies soil sampling and data management for field professionals. It allows users to efficiently record, organize, and review soil sample details with a user-friendly interface. Improve accuracy and speed in soil investigations and agricultural work.

Highlights
  • Record soil sample details
  • Organize and manage sampling information
  • Easy data entry in the field
  • Clear and readable records
  • Share results
  • Lightweight design
Features
Read full description

soil sampler is a practical tool designed to assist with soil sampling and basic soil data management. It is useful for field technicians, engineers, agricultural professionals, and environmental studies. The app helps you record, organize, and review soil sample information in a structured and easy way. With a clean interface and simple workflow, collecting field data becomes faster and more reliable. Key Features: Record soil sample details Organize and manage sampling information Easy data entry in the field Clear and readable records Share results when needed Lightweight and user-friendly design soil sampler helps improve efficiency and accuracy during soil investigations and agricultural or environmental work. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://semiconhub.in/manager/privacy.html Terms and Condition : https://semiconhub.in/manager/tcondition.html

Screenshots

e4 screens
Soil Sampler.4 screens

Verdict

The call

The clearest difference is rating: Soil Sampler. at 5.0 against e's 3.0. e's advantage is in-app purchases (none vs 1) and iOS requirement (6.1 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Soil Sampler. sells 1 one-off in-app purchase. e asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Soil Sampler. holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

e ships an update every 5 months, Soil Sampler. every 4 months. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

Scorecard4 real differences · 6 level
e versus Soil Sampler.: the parameters behind the verdict, then further details
ParametereSoil Sampler.
PriceFreeFree
Rating3.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews55.6% of reviews—
Number of ratings11
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.1 — better13.0
Further details — not scored
Size7 MB55 MB
Age rating4++4
Developere-skett Corp.Sachinbhai Surani

Customer experience

e

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews9 reviews
Positive55.6%
Neutral11.1%
Negative33.3%

Soil Sampler.

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

e

No in-app purchases

1 purchases

Soil Sampler.

One-time1
  • Lifetime premium$12.99

Questions

Is e free?
e is free to download, with no in-app purchases.
Is Soil Sampler. free?
Soil Sampler. is free to download, with in-app purchases available.
Which has better reviews, e or Soil Sampler.?
Soil Sampler. is rated higher. e averages 3.0 out of 5 from 1 ratings, while Soil Sampler. averages 5.0 from 1 ratings.
Do e or Soil Sampler. have ads?
Neither e nor Soil Sampler. shows ads.
Which is updated more often, e or Soil Sampler.?
e ships an update every 5 months, and Soil Sampler. every 4 months. Most recently, e was updated on October 5, 2026 and Soil Sampler. on September 28, 2026.

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