MOT/Phone+ vs Nagi マリン予約管理
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MOT/Phone+
This app transforms your iPhone into a business phone extension, integrating with office PBX systems. It offers advanced calling features and supports high-quality voice codecs for clear communication over mobile networks.
- Make extension calls
- High-quality voice codecs (AMRNB, SILK)
- Integrate with office PBX
- Use iPhone contacts
- Call history
- Call hold and transfer
- Speed dial
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MOT/Phone+ is SIP client softphone that let you use your iPhone to make an extension call. MOT/Phone+ supports AMRNB and SILK codec for better voice quality over mobile network. It is used in conjunction with MOT/PBX (IP-PBX) system or MOT/TEL service. Basic Features MOT/Phone+ has a basic features of a business telephone, including the following: * Call via NTT-HIKARI and Japanese ITSP(050 Number) * Integrate mobile phones into your office's phone extension network. * Integrate iPhone Contacts into MOT/Phone+. * Call history * Call hold, attended transfer, park hold. * Onetouch-key dial. (Speed dial) * Re-dial by pressing dial button for a while. * Ring tone settings. * Bluetooth headset. (Only voice input/output available) * Multi Domain. (Can be registered to two SIP server) Application Consideration * iPhone6s, 6s Plus, 7, 7 Plus, 8, 8Plus, X, Xs, Xs MAX, XR, 11, 11 Pro, 11 Pro Max, SE2 are supported. iOS 13 or higher supported. * You cannot select ring tone saved in iPhone. MOT/Phone+ provides specific ring tones. * MOT/Phone+ has own call history and which is differ from iPhone's call history. * If you receive a mobile phone call while you're talking with your friends using MOT/Phone+ on mobile network, the call with your friend might be disconnected due to communication restriction by mobile network operator. au (One of Japanese mobile network operator) has this restriction but Softbank doesn't have it. * MOT/Phone+ might not receive a phone call immediately via mobile network due to its condition or specification. * You might meet a problem if you use MOT/Phone+ and another VoIP application such as Skype at the same time. * Please subscribe flat-rate monthly charge service which enables economical use of packet communications.
Nagi マリン予約管理
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ナギ(Nagi)は、海のアクティビティ事業者のための予約管理アプリです。OTA(予約サイト)から届く予約メールを自動で取り込み、当日の運用から顧客対応までを一つの画面でまとめて管理できます。 ■ こんな事業者におすすめ ダイビング/体験ダイビング、シュノーケル、SUP、カヤック、パラセーリング、クルーズ、グラスボートなど、海のアクティビティ を運営する店舗・ショップ。 ■ 主な機能 ・統合予約フィード:複数のOTAからの予約メールを自動で取り込み、1つの台帳に集約。手入力の予約も登録できます。 ・当日運用ボード:便(時間)ごとに予約・参加人数・送迎・集合場所をひと目で確認。 ・カレンダー/予約台帳:月間の予約状況や過去の履歴をすばやく検索。 ・機材在庫・スタッフ管理:機材の在庫やスタッフの担当割り当てを管理。 ・送迎管理:送迎の有無や集合場所を整理。 ・翻訳チャット:英語・中国語・韓国語・タイ語・ベトナム語などに自動翻訳。外国人のお客様とも、それぞれの言語のまま会話で きます。 ・SMS/メール一括送信:テンプレートと多言語翻訳に対応。当日のご案内や前日のリマインドをまとめて送信。 ・海況・天候対応:海況中止などの状況も記録できます。 ■ ご利用にあたって 本アプリは事業者向けの管理ツールです。ご利用には店舗アカウントが必要です。アカウントの発行については、サポートまでお問 い合わせください。
Screenshots
Verdict
The clearest difference is update cadence: Nagi マリン予約管理 at every 3 days against MOT/Phone+'s every 2 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MOT/Phone+ ships an update every 2 months, Nagi マリン予約管理 every 3 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.
| Parameter | MOT/Phone+ | Nagi マリン予約管理 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 47.1% of reviews | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | VALTEC CO., LTD. | Hakjin Kim |
In-app purchases
MOT/Phone+
No in-app purchases
Nagi マリン予約管理
No in-app purchases








