Comparison

Call Simulator vs SII Operator

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

Head to head
About

Call Simulator

Practice your phone communication skills with simulated call scenarios. This app helps improve eloquence for situations like job interviews. Upgrade to VIP for full access to features.

Highlights
  • Scenario-based call simulation
  • Eloquence practice
  • Telephone communication skill honing
  • Improve interview performance
  • Customizable call situations
Features
Read full description

This app is a scenario-based tool for eloquence practice.  It simulates various phone call situations to help you hone your telephone communication skills.  If you get nervous during phone interviews, try this app to consistently improve your eloquence across different scenarios. Auto-Renewable subscription Note: This app is free but you can also upgrade to VIP for full access to features through an auto-renewing subscription.Price may vary by location. Subscriptions for VIP will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24-hours before the end of the current period. You will not be able to cancel a subscription during the active period. You can manage your subscriptions in the Account Settings after purchase. Terms of Use : https://yuedong56.github.io/2019/01/02/Terms%20of%20VIP%20Service/ Privacy Policy : https://yuedong56.github.io/2019/01/02/Privacy%20Policy/

About

SII Operator

Features
Read full description

SII Operator is a specialized utility app designed for internal use by operators and technicians to test hardware boards and ensure their functional integrity before deployment. With a streamlined and intuitive interface, the app helps simplify the validation process through automated test sequences and step-by-step guidance. Operators can scan, connect, and verify essential components of the board such as connectivity, sensors, and control modules, ensuring each unit meets quality standards.

Screenshots

Call Simulator4 screens
SII Operator4 screens

Verdict

The call

The clearest difference is in-app purchases: SII Operator at none against Call Simulator's 3. SII Operator also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 weeks). On price, device support and iOS requirement 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. Call Simulator sells 3 in-app purchases, starting at $1.99 per month. SII Operator asks for nothing beyond the download.

UpkeepUpdate frequency

Call Simulator ships an update every 3 weeks, SII Operator every 9 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Call Simulator versus SII Operator: the parameters behind the verdict, then further details
ParameterCall SimulatorSII Operator
PriceFreeFree
Rating4.6 (29K ratings) — better—
Positive reviews90.2% of reviews—
Number of ratings29K — better—
Update frequencyEvery 3 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size80 MB39 MB
Age rating4+4+
Developer雪景 潘Startec Dynamics Inc.

Bugs and requests

Call Simulator

Reported bugs

3 issues
  • App crashes or freezes
  • Inconsistent functionality across devices
  • Issues with restoring purchases

Requested features

5 requests
  • More voice options
  • Ability to save custom call settings
  • Integrate with phone's contacts
  • Option to hide app name on home screen
  • Longer call duration timer

SII Operator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Call Simulator

Subscriptions2
  • Monthly VIP$1.991 Month
  • Annual VIP$6.991 Year
One-time1
  • Lifetime VIP$5.99
None

SII Operator

No in-app purchases

Questions

Is Call Simulator free?
Call Simulator is free to download, with in-app purchases available.
Is SII Operator free?
SII Operator is free to download, with no in-app purchases.
Do Call Simulator or SII Operator have ads?
Call Simulator shows ads; SII Operator does not.
Which is updated more often, Call Simulator or SII Operator?
Call Simulator ships an update every 3 weeks, and SII Operator every 9 days. Most recently, Call Simulator was updated on October 15, 2026 and SII Operator on October 7, 2026.

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