Mobyx vs PhonePower Calling
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mobyx
This mobile softphone utilizes advanced Voice over IP technology for clear calls over Wi-Fi, 3G, or 4G. It offers essential calling features while being optimized to conserve battery life. An existing account with the provider is required.
- Voice over IP technology
- High-quality calling
- Wi-Fi, 3G, 4G support
- Battery-saving optimization
- Essential calling features
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Mobyx is an innovative mobile softphone that uses cutting-edge "Voice over IP" technology for high-quality calling using Wi-Fi, 3G, or 4G. Mobyx has the popular calling features you need. Unlike many other calling apps, Mobyx is specially designed to avoid draining your phone's battery. Requires existing account with Mobyx VoIP provider.
PhonePower Calling
This app allows you to use your existing phone service from anywhere globally. Make voice calls over data connections, manage contacts, and customize sound settings. It also offers call forwarding and voicemail management.
- VoIP calls over 3G/WiFi
- Contact synchronization
- 25+ ringtones
- Call forwarding
- Sound settings customization
- Voicemail management
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Take your PhonePower phone service with you, anywhere in the world. - Make VoIP calls over 3G or WiFi data connection - Sync contacts from linked accounts on your phone - Choose between 25+ different ringtones - Forward calls to another number - Change sound settings like echo cancellation, sound suppression, playback boost and microphone level - Set preferred data connection (3G or Wifi) - Start application after phone reboot - Listen to and manage voicemail
Screenshots
Verdict
The clearest difference is review sentiment: Mobyx at 73% against PhonePower Calling's 21%. Mobyx also leads on rating (3.7 vs 2.2) and update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.
Mobyx holds the better App Store score, 3.7 against 2.2. Both are backed by a comparable volume of ratings — 19 and 51 respectively. Written reviews point the same way: 73% of Mobyx's written reviews are positive against 21% of PhonePower Calling's.
Mobyx ships an update every 2 months, PhonePower Calling every 6 months. The most recent releases landed on August 10, 2026 and September 23, 2026 respectively.
| Parameter | Mobyx | PhonePower Calling |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (19 ratings) — better | 2.2 (51 ratings) |
| Positive reviews | 72.7% of reviews — better | 20.9% of reviews |
| Number of ratings | 19 | 51 — better |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 109 MB | 100 MB |
| Age rating | 17+ | 4+ |
| Developer | Alex Ferdman | Phone Power LLC |
Customer experience
Mobyx
PhonePower Calling
Bugs and requests
Mobyx
Not enough reviews yet to summarise bugs or requests.
PhonePower Calling
Reported bugs
43 issues- App won't connect and doesn't ring
- App crashes upon opening
- Calls stay incoming forever, requires reboot
- Cannot silence incoming calls
- Website and app often don't work
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- Unreliable interface with account settings
- Choppy, dropped calls, delayed audio
- Contacts not working with newer iOS versions
- Cannot receive phone calls
- Buttons not recognized by automated systems
- App only uses the first number on the account
- Voicemails no longer play
- Incoming calls not working
- Call won't place out
- Not reliable, hit and miss
- Menu options not visible
- Cannot answer calls
- Does not adhere to system DND settings
- Not working on cellular data
- Call Failed error on iOS 11
- Doesn't support iPhone 7 properly
- Working via Wi-Fi not 3G
- Awful update, calls come through main line
- Key tones not recognized on speakerphone
- Calls don't come through when app is in background
- Not authorized errors
- Broken app, error when dialing
- Cannot make or answer calls on multiple devices
- App stops working and requires more payment
- Billing issues and deception
- Antiques interface
- No way to silence incoming calls
- Cannot update account information
- App is useless if you have more than one line
- Voicemail playback issues
- Call forwarding not working
- Server connection issues
- Missing key features like call forwarding/blocking lists
- Endless loop of push notifications
- New version is horrible
- App locks the answer button
- Does not use imported contacts properly
- Taken away account information like call forwarding
Requested features
8 requests- Ability to paste phone numbers instead of keying them in
- Way to silence an incoming call
- Ability to block callers directly in the app
- More options for call handling
- Mute ringtone option to avoid double rings
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- Integrated calling to iPhone phone system
- Ability to select which number the app uses
- Text messaging feature
In-app purchases
Mobyx
No in-app purchases
PhonePower Calling
No in-app purchases
