Comparison

OPTiM Biz vs SDM Dialer

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

Head to head
About

OPTiM Biz

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OPTiM Biz Agent is the agent application Device Management Service that OPTiM corporation supplies. Its service is named "OPTiM Biz". OPTiM Biz Agent does not work standalone. This software should be used with service of "OPTiM Biz". If you apply "OPTiM Biz" service, then you can do the following action. Send notification message to your company's iPad and iPhone. Get location information by using GPS function. β€»Japanese, English are supported.

About

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.

Screenshots

OPTiM Biz3 screens
SDM Dialer4 screens

Verdict

The call

The clearest difference is iOS requirement: SDM Dialer at 10.0 against OPTiM Biz's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

OPTiM Biz ships an update every 4 months, SDM Dialer every 3 months. The most recent releases landed on September 8, 2026 and May 17, 2026 respectively.

Scorecard1 real difference Β· 5 level
OPTiM Biz versus SDM Dialer: the parameters behind the verdict, then further details
ParameterOPTiM BizSDM Dialer
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.010.0 β€” better
Further details β€” not scored
Size18 MB3 MB
Age rating4+4+
DeveloperOPTiM CorporationISB Corporation

In-app purchases

None

OPTiM Biz

No in-app purchases

None

SDM Dialer

No in-app purchases

Questions

Is OPTiM Biz free?
OPTiM Biz is free to download, with no in-app purchases.
Is SDM Dialer free?
SDM Dialer is free to download, with no in-app purchases.
Do OPTiM Biz or SDM Dialer have ads?
Neither OPTiM Biz nor SDM Dialer shows ads.
Which is updated more often, OPTiM Biz or SDM Dialer?
OPTiM Biz ships an update every 4 months, and SDM Dialer every 3 months. Most recently, OPTiM Biz was updated on September 8, 2026 and SDM Dialer on May 17, 2026.

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