Comparison

MemoDen vs SmartCal

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

Head to head
About

MemoDen

This calculator allows you to store up to five numbers (M1-M5) and view their sum in real-time. It includes functions to clear input, remember numbers, and clear all memory. It also offers tax calculation options for prices including or excluding consumption tax.

Highlights
  • Store up to five numbers (M1-M5)
  • Real-time sum display
  • Clear input function
  • Remember numbers to memory
  • Clear all memory
  • Calculate price with tax
  • Calculate price without tax
Features
Read full description

It is a simple calculator that memory can be seen. You can store five numbers of M1 ~ M5, the sum of them is displayed in the Sum at all times. - The role of each button - [C] : I will clear the number in the input. [M+] : I will remember the M1 numbers in the input. [MC] : I will clear the contents of the M1 ~ M5. [税込] : Price that includes consumption tax in Japan. [税抜] : Price minus the consumption tax in Japan.

About

SmartCal

Features
Read full description

『旧スタイル電卓』は、旧OSスタイルの美しく洗練されたデザインと、実用的な高機能を両立させたプレミアムな電卓アプリです。 【主な特徴】 ● 旧OSスタイル電卓 シンプルで直感的に操作できる洗練されたフラットデザイン。大画面のデバイスでも操作しやすいボタンレイアウトを採用しています。 ● 充実した履歴機能 過去の計算結果をいつでもさかのぼって確認可能。ビジネス、買い物、家計簿など、日常のあらゆる場面で過去の計算を見返せます。 ● 独立メモリー機能 MC(クリア)、MR(リコール)、M+(加算)、M-(減算)などの高度なメモリー機能を完備し、複雑な計算もスムーズに行えます。 --- 【ご利用について(定期購読)】 本アプリは、すべての機能を快適にご利用いただくための「定期購読(サブスクリプション)専用アプリ」です。アプリ起動時に月額プランまたは年額プランのいずれかをご選択いただき、購読を開始いただくことで電卓機能がご利用可能になります。 ● 購読プラン: ・月額プラン:100円 / 月 ・年額プラン:600円 / 年 ● 自動継続課金について: ・お支払いはご購入確認時にお客様のApple ID(iTunesアカウント)に請求されます。 ・現在の有効期間が終了する24時間以上前に自動更新をオフにしない限り、登録は自動的に更新されます。 ・更新費用は、現在の購読期間が終了する24時間前までにお客様のアカウントに請求されます。 ・ご購入後、App Storeのアカウント設定から購読内容の管理および自動更新の停止を行うことができます。 利用規約 (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MemoDen1 screens
SmartCal1 screens

Verdict

The call

The clearest difference is update cadence: SmartCal at every 3 weeks against MemoDen's every 14 months. MemoDen's advantage is iOS requirement (11.0 vs 26.2). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MemoDen ships an update every 14 months, SmartCal every 3 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 6 level
MemoDen versus SmartCal: the parameters behind the verdict, then further details
ParameterMemoDenSmartCal
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 14 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better26.2
Further details — not scored
Size4 MB2 MB
Age rating4+4+
DeveloperSHIGEYUKI TAKAHASHIHAYATO SUZUKI

In-app purchases

None

MemoDen

No in-app purchases

None

SmartCal

No in-app purchases

Questions

Is MemoDen free?
MemoDen is free to download, with no in-app purchases.
Is SmartCal free?
SmartCal is free to download, with no in-app purchases.
Do MemoDen or SmartCal have ads?
Neither MemoDen nor SmartCal shows ads.
Which is updated more often, MemoDen or SmartCal?
MemoDen ships an update every 14 months, and SmartCal every 3 weeks. Most recently, MemoDen was updated on October 3, 2026 and SmartCal on October 4, 2026.

Other comparisons