Comparison

Geek Math vs Taskii

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

Head to head
About

Geek Math

This calculator app features an intuitive column layout for multiple equations, allowing real-time modification of numbers and operators. It offers interactive linking of numbers and a unique lock feature to protect important values.

Highlights
  • Intuitive column layout
  • Real-time equation modification
  • Linked numbers for interactive calculation
  • Lock feature for number protection
  • Multi-line display
  • Theme selection
Features
Read full description

* Intuitive column layout displaying multiple equations on the same screen * Ability to modify operands and operators at any time * Linked numbers that calculate interactively in real-time The calculator's display and operation have been redesigned from the ground up. Calculator Features: - Multi-line Display: Equations are clearly displayed line by line, with the length of numbers and operators automatically adjusted to fit the screen width. - Equation Modification: Freely select and change numbers within equations. Operators can also be modified to alter the results. - Linking and Interaction: Numbers in links update interactively. A single number can be linked to multiple numbers. - Theme Selection: Choose from white, black, brown, and more than three different theme colors. - Delete Functions: "AC" for full clear, erasing the entire calculator screen. "R" for line clear, removing one line from the list. "C" for clear, resetting a number to zero. "BS" for backspace, deleting the previous input. - Lock Feature: Replaces traditional memory functions with a more intuitive lock feature. Protect numbers you don't want to delete with a single button lock. - Save Previous Equations: Even if you restart your device, leave the application unopened for an extended period, or switch between applications, previous equations will be saved. Give the Geek Calculator a try! Perhaps this is the perfect calculator application for you.

About

Taskii

Features
Read full description

進捗が、メーターで溜まっていく。 Taskiiは、タスクの進み具合を直感的に可視化するタスク管理アプリです。サブタスクの完了度がメーターで埋まっていくので、「どれくらい進んだか」が一目で分かります。 【主な特徴】 ■ 進捗メーター サブタスクの完了率に応じて、タスクカードの左端のメーターが%で埋まっていきます。タスク一覧を眺めるだけで全体感が掴めます。 ■ AIサブタスク自動生成 タスクのタイトルだけ書いて「生成」をタップ。AIが内容を分析して、最適なサブタスクに分解します。粒度(細かい/標準/粗い)も指定できます。 ■ プロジェクトAIアシスタント プロジェクト全体を理解したAIが、進捗・関係性・優先度などの質問に答えてくれます。 ■ チーム共有 招待URLでメンバーを追加。コメント、ステータス変更、担当者割り当てをリアルタイムに同期します。 【こんな方におすすめ】 ・タスクの進捗を見える化したい個人 ・プロジェクトをチームでスムーズに進めたい ・AIにタスク分解を手伝ってほしい ・シンプルで気持ちのいいタスク管理アプリを探している 無料でご利用いただけます。 ■ 利用規約・プライバシーポリシー 利用規約 (EULA): https://taskii.quinas.jp/terms-of-service プライバシーポリシー: https://taskii.quinas.jp/privacy-policy Taskii Pro Monthly: 月額 ¥500 (自動更新サブスクリプション)。期間終了の24時間前までに自動更新がオフにされない限り自動更新されます。iPhone/iPad の「設定 > Apple ID > サブスクリプション」からいつでも解約できます。

Screenshots

Geek Math4 screens
Taskii4 screens

Verdict

The call

The clearest difference is update cadence: Taskii at daily against Geek Math's every 10 months. Geek Math's advantage is iOS requirement (12.0 vs 15.6). 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. Geek Math sells 1 one-off in-app purchase and Taskii sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Geek Math ships an update every 10 months, Taskii daily. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Geek Math versus Taskii: the parameters behind the verdict, then further details
ParameterGeek MathTaskii
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsDaily — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size29 MB55 MB
Age rating4+4+
DeveloperQQ TSUBASATsuyoshi Ishitani

In-app purchases

1 purchases

Geek Math

One-time1
  • Premium No ad & more math rows$1.99
1 purchases

Taskii

Subscriptions1
  • Taskii Pro (Monthly)$2.991 Month

Questions

Is Geek Math free?
Geek Math is free to download, with in-app purchases available.
Is Taskii free?
Taskii is free to download, with in-app purchases available.
Do Geek Math or Taskii have ads?
Both Geek Math and Taskii show ads.
Which is updated more often, Geek Math or Taskii?
Geek Math ships an update every 10 months, and Taskii daily. Most recently, Geek Math was updated on November 4, 2026 and Taskii on October 30, 2026.

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