Comparison

SIM CHANGER ⊿ vs Device Settings

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

Head to head
About

SIM CHANGER ⊿

Features
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Use up to 4 SIM cards with a single smartphone. SIM CHANGER ⊿(DELTA) utilizes "portable SIM" technology created by Japan's NTT DoCoMo and allows up to 4 SIM cards to be connected to a single smartphone. Insert the included bridge SIM card into your smartphone and up to 4 SIM cards into DELTA, then using the companion app you easily switch between each of your 4 SIMs. DELTA will transfer your SIM contents to the bridge SIM card via Bluetooth, providing an easy way to use multiple numbers or data accounts without needing multiple smartphones. Use the companion app to charge SIM cards easily without needing to open your smartphone. When travelling for business or pleasure you can insert a local SIM cards into SIM CHANGER DELTA to avoid high roaming charges when you're travelling abroad. ** IMPORTANT - SUPPORTED DEVICES ** - iPhone SE - iPhone 6 - iPhone 6 plus - iPhone 6s - iPhone 6s plus - iPhone 7 - iPhone 7 plus

About

Device Settings

Access and manage your device's information, settings, and performance from a single, intuitive interface. Monitor battery, storage, and network status, and utilize helpful tools for troubleshooting and optimization.

Highlights
  • Device information (model, version, UUID)
  • Battery and storage monitoring
  • Network insights (Wi-Fi, IP, signal)
  • Quick access to essential settings
  • System performance data
  • Digital compass and flashlight
Features
Read full description

Take Full Control of Your iOS Device with My Device Settings My Device Settings gives you quick access to key device information, powerful tools, and essential settings, all in one place. Designed for a simple and intuitive experience, the app helps you understand, monitor, and optimize your iPhone or iPad. Get the information you need View important device details like model, iOS version, screen size, UUID, and more. Perfect when you need accurate data for apps, troubleshooting, or support. Monitor performance in real time Track battery status, storage usage, and system performance. Understand how your device is running and make smarter decisions. Manage your device with ease Access useful tools and settings quickly, including Wi-Fi, Bluetooth, hotspot, brightness, sound, NFC, and more. Solve network issues faster Check network type, signal strength, and IP address to quickly identify and fix connectivity problems. Advanced tools Explore extra features like a digital compass, customizable flashlight, battery monitor, and more. Key Features - Device information: model, version, UUID - Battery and storage monitoring - Network insights: Wi-Fi, IP, signal strength - Quick access to essential settings - Performance and system data - Useful tools like compass and flashlight Premium Subscription (optional) My Device Settings is free to use with ads. A Premium subscription is required to remove ads and to unlock premium features such as advanced insights and the full ad-free experience. Features that require a purchase are clearly marked in the app. - Title: Premium (Monthly) - Length: 1 month, auto-renewable - Price: USD 1.99 per month, after a 3-day free trial Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel anytime in your Apple ID settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://yalintech.com/legal/device/terms Privacy Policy: https://yalintech.com/legal/device/privacy Visit Us https://www.yalintech.com/ Support support@yalintech.com

Screenshots

SIM CHANGER ⊿3 screens
Device Settings4 screens

Verdict

The call

The clearest difference is in-app purchases: SIM CHANGER ⊿ at none against Device Settings's 3. SIM CHANGER ⊿ also leads on ads (none vs shown) and update cadence (weekly vs every 4 weeks). On price 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

Both are free to download. Device Settings sells 3 in-app purchases, starting at $1.99 per month. SIM CHANGER ⊿ asks for nothing beyond the download.

UpkeepUpdate frequency

SIM CHANGER ⊿ ships an update weekly, Device Settings every 4 weeks. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
SIM CHANGER ⊿ versus Device Settings: the parameters behind the verdict, then further details
ParameterSIM CHANGER ⊿Device Settings
PriceFreeFree
Rating—4.1 (1.2K ratings) — better
Positive reviews—54.1% of reviews
Number of ratings—1.2K — better
Update frequencyWeekly — betterEvery 4 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.2 — better15.0
Further details — not scored
Size60 MB40 MB
Age rating4+4+
DeveloperCerevo Inc.Yalintech

Bugs and requests

SIM CHANGER ⊿

Not enough reviews yet to summarise bugs or requests.

Device Settings

Reported bugs

7 issues
  • App won't load (displays blue screen)
  • Settings instructions not executing properly
  • Incorrect phone model and iOS version detection
  • Full-screen advertisements blocking content
  • Pop-ups persist even after watching ads
Show 2 more
  • Trial information not displayed before purchase
  • Unexpected charges without proper disclosure

Requested features

4 requests
  • Better explanation of DNS settings
  • More useful additional information beyond standard settings
  • Improved security features for WiFi
  • Free version with full functionality

In-app purchases

None

SIM CHANGER ⊿

No in-app purchases

3 purchases

Device Settings

Subscriptions2
  • Monthly - 3 Days Free Trail3 Days trial$1.991 Month
  • oneyear_subscription3 Days trial$6.991 Year
One-time1
  • One time purchase$8.99

Questions

Is SIM CHANGER ⊿ free?
SIM CHANGER ⊿ is free to download, with no in-app purchases.
Is Device Settings free?
Device Settings is free to download, with in-app purchases available.
Do SIM CHANGER ⊿ or Device Settings have ads?
Device Settings shows ads; SIM CHANGER ⊿ does not.
Which is updated more often, SIM CHANGER ⊿ or Device Settings?
SIM CHANGER ⊿ ships an update weekly, and Device Settings every 4 weeks. Most recently, SIM CHANGER ⊿ was updated on October 6, 2026 and Device Settings on October 13, 2026.

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