Comparison

CorrectAltitude vs コマツアー

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

Head to head
About

CorrectAltitude

Accurately determine your altitude using data from multiple GPS satellites. Capture photos with altitude and date stamps, and optionally display your named location for emergency use. Ideal for outdoor activities where precise elevation is crucial.

Highlights
  • Precise altitude determination
  • Altitude and date-stamped photos
  • Location display for emergencies
  • Continuous GPS triangulation
  • Adjustable accuracy range
  • Notify mode for altitude updates
Features
Read full description

Correct Altitude establishes your position using data from at least twelve GPS satellites. This app shows the altitude at your current location, and enables you to take altitude-and-date-stamped photographs. Hikers usually turn off their iPhones on mountain trails because of the poor signal. When turned on, the iPhone GPS will try to determine the current location with data from three GPS satellites; however, these co-ordinates are still inaccurate. CorrectAltitude triangulates position with a large number of GPS satellites in a 5-minute period enabling an accurate determination of altitude. The app automatically continues triangulating position by polling GPS satellites, and informs you when it has established a location accurate to within the tolerated range of error. The default for this range is 5 meters (approximately 16 feet). As an add-on function, it can display where you are (if the place has a name), and this can be useful for contacting rescue services in emergencies. CorrectAltitude has been tested on hiking trails in the Himalayas! Here is an example of an altitude-and-date-stamped photograph. The photograph is taken at the maximum resolution of your phone's camera and stored. GPS information is discarded. If the Notify mode remains set to "ON", you will continue to get updates on altitude every five minutes. To conserve the battery and stop repeated updates, you may prefer to set Notify mode to "OFF" after you have determined your altitude.

About

コマツアー

Read full description

koma-tour(コマツアー):行き先不明のワクワクを〜スマホ1つで始める、大人の冒険ラリー あなたの旅を、ミステリーツアーに変える。 「koma-tour」は、コマ図(ロードブック)とラリーコンピューター(トリップメーター)が一体となった、新感覚のツーリング・ドライブナビゲーションアプリです。 行き先を知らされないまま、目の前の「コマ図」の指示だけを頼りに進む。 次にどんな絶景が待っているのか、どこに辿り着くのかわからないドキドキ感。 それはまるで、宝の地図を片手に冒険するような体験です。 【koma-tourの特徴】 ・スマホ1つで本格ラリー体験: 高価な専用機材は不要。デジタルコマ図とGPSトリップメーターがこのアプリ1つに完結しています。 ・「迷わない」ためのアシスト機能: 移動距離に応じてコマ図が自動でスクロール。曲がり角を見逃すことなく、運転に集中できます。 ・圏外でも安心のオフライン対応: データのダウンロードさえ済ませれば、電波の届かない山奥や秘境でも問題なく動作します。 ・多彩なイベント: 全国の主催者が作成したラリーイベントに参加したり、無料で公開されているコマ図を楽しむことができます。 【車載ディスプレイ連携について】 現在、本アプリはApple CarPlayには対応しておりません。 koma-tourが提供する「独自のコマ図表示」や「トリップメーター操作」などの特殊な機能は、CarPlayの画面規格では再現が難しいため、スマートフォン単体でのご利用に特化して設計されています。 安全な場所に停車して確認する、あるいは適切なスマートフォンホルダーを使用するなど、安全運転を第一にご利用をお願いいたします。

Screenshots

CorrectAltitude4 screens
コマツアー4 screens

Verdict

The call

The clearest difference is price: コマツアー at Free against CorrectAltitude's $0.99. コマツアー also leads on update cadence (monthly vs every 8 months). CorrectAltitude's advantage is iOS requirement (13.1 vs 15.5). On 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

コマツアー is free to download; CorrectAltitude costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CorrectAltitude ships an update every 8 months, コマツアー monthly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 5 level
CorrectAltitude versus コマツアー: the parameters behind the verdict, then further details
ParameterCorrectAltitudeコマツアー
Price$0.99Free — better
Positive reviews0.0% of reviews—
Update frequencyEvery 8 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.1 — better15.5
Further details — not scored
Size3 MB55 MB
Age rating4+4+
Developerkoji otaniCONNECTION WORKS, K.K.

In-app purchases

None

CorrectAltitude

No in-app purchases

None

コマツアー

No in-app purchases

Questions

Is CorrectAltitude free?
CorrectAltitude costs $0.99, with no in-app purchases.
Is コマツアー free?
コマツアー is free to download, with no in-app purchases.
Do CorrectAltitude or コマツアー have ads?
Neither CorrectAltitude nor コマツアー shows ads.
Which is updated more often, CorrectAltitude or コマツアー?
CorrectAltitude ships an update every 8 months, and コマツアー monthly. Most recently, CorrectAltitude was updated on October 10, 2026 and コマツアー on October 8, 2026.

Other comparisons