SDM Dialer vs MOT/Phone+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDM Dialer
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SDM Dialer is an exclusive client application of FiT SDM. The dialer is not able to boot only itself. Please use with the application of [FiT SDM] Agent. [User Conditions] 1. The user is needed to the user of [FiT SDM]. 2. The user is needed to have a condition to connect with [FiT SDM] through the internet. "Dialer" app is the maintenance the own address book and make use for phone call. The address book data getting from "FiT SDM" App (Distribution Address Book). For Distribution Address Book, we need to Register or Contract "FiT SDM" cloud Service.
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.
Screenshots
Verdict
The clearest difference is iOS requirement: SDM Dialer at 10.0 against MOT/Phone+'s 16.0. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SDM Dialer ships an update every 3 months, MOT/Phone+ every 2 months. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.
| Parameter | SDM Dialer | MOT/Phone+ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 47.1% of reviews |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | ISB Corporation | VALTEC CO., LTD. |
In-app purchases
SDM Dialer
No in-app purchases
MOT/Phone+
No in-app purchases








