Comparison

Shapefile Reader vs Simple Calculator. +

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

Head to head
About

Shapefile Reader

This application allows you to easily read and display Shapefiles on your tablet. It supports various data formats and allows for custom color displays and coordinate system conversions. Utilize open data from the web for your mapping needs.

Highlights
  • Read and display Shapefiles on tablet
  • Supports Point, PolyLine, and Polygon data
  • Display data in custom colors
  • Coordinate system conversion (domestic Japan)
  • Utilize open data from the web
Features
Read full description

Shapefile Readerは弊社開発のシェープファイルライブラリを利用し、シェープファイルをタブレット上で簡単に読込&地図表示可能にするものです。 (シェープファイル(Shapefile)は主に*.SHP拡張子で利用されている、Esri 社の提唱した位置情報ファイル形式の代表的なフォーマットです) Shape File Readerによりweb上で公開されている様々なオープンデータのシェープファイルを活用する事ができます。 = 機能 = Shapefile Readerは以下の機能を有しています。 ・Point/PolyLine/Polygon形式のデータに対応。 ・PolyLine/Polygonをデータに連動した任意の色で表示可能。 ・投影座標系の変換に対応(本アプリケーションでは国内のみ)。 = 制限事項 = Shapefile Readerは以下の制限を設けております。 ロード可能なデータ数は20,000件以下に制限。 投影座標系は日本国内のみに限定。 PolyLineでのDBF情報表示非対応。 なお、初期データとして北海道室蘭市のサイトにてCreative Commons2.1で公開されている ・「災害時の避難場所」 ・「 津波避難路」 ・「 がけ崩れ危険区域」 を利用しております。

About

Simple Calculator. +

This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.

Highlights
  • 12-digit display
  • Tax calculation
  • Cost, selling price, and gross margin calculations
  • Memory operations
  • Grand total (GT)
  • Percentage calculation
Features
Read full description

Simple, reliable, and easy-to-use calculator app for iPhone/ iPad. If you would like to try out the calculator first, download the FREE version of the app from the developer profile. Calculator features:- * 12 digits * Tax calculation * Percentage (%) * Cost/ selling price/ gross margin calculations * Memory operations * Grand total (GT) * Square root * +/- (Sign change) * Arithmetic constant calculation * Digit grouping and decimal mark as per device locale

Screenshots

Simple Calculator. +4 screens

Verdict

The call

The clearest difference is price: Shapefile Reader at Free against Simple Calculator. +'s $1.99. Shapefile Reader also leads on review sentiment (100% vs 73%) and rating (5.0 vs 4.7). Simple Calculator. +'s advantage is update cadence (every 3 months vs every 46 months) and ratings volume (147 vs 1). On ads and in-app purchases 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

Shapefile Reader is free to download; Simple Calculator. + costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Shapefile Reader holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Simple Calculator. + has 147 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Shapefile Reader's written reviews are positive against 73% of Simple Calculator. +'s.

UpkeepUpdate frequency

Shapefile Reader ships an update every 46 months, Simple Calculator. + every 3 months. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

Scorecard8 real differences · 2 level
Shapefile Reader versus Simple Calculator. +: the parameters behind the verdict, then further details
ParameterShapefile ReaderSimple Calculator. +
PriceFree — better$1.99
Rating5.0 (1 ratings) — better4.7 (147 ratings)
Positive reviews100.0% of reviews — better72.7% of reviews
Number of ratings1147 — better
Update frequencyEvery 46 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.3 — better15.6
Further details — not scored
Size5 MB1 MB
Age rating4+4+
DeveloperABT Co., Ltd.tasser gyati

Customer experience

Shapefile Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Simple Calculator. +

All ratings147 ratings
Positive93.9%
Neutral2.7%
Negative3.4%
Written reviews44 reviews
Positive72.7%
Neutral11.4%
Negative15.9%

In-app purchases

None

Shapefile Reader

No in-app purchases

None

Simple Calculator. +

No in-app purchases

Questions

Is Shapefile Reader free?
Shapefile Reader is free to download, with no in-app purchases.
Is Simple Calculator. + free?
Simple Calculator. + costs $1.99, with no in-app purchases.
Which has better reviews, Shapefile Reader or Simple Calculator. +?
Shapefile Reader is rated higher. Shapefile Reader averages 5.0 out of 5 from 1 ratings, while Simple Calculator. + averages 4.7 from 147 ratings.
Do Shapefile Reader or Simple Calculator. + have ads?
Neither Shapefile Reader nor Simple Calculator. + shows ads.
Which is updated more often, Shapefile Reader or Simple Calculator. +?
Shapefile Reader ships an update every 46 months, and Simple Calculator. + every 3 months. Most recently, Shapefile Reader was updated on September 29, 2026 and Simple Calculator. + on October 12, 2026.

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