Calling Card vs Batteries
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calling Card
This app helps you save money on international calls by managing calling cards and carrier prefixes. It can automatically select the best card for you based on the number you dial. It also supports PBX routing and Skype To Go calls.
- Manage multiple calling card accounts
- Automatic card selection
- Dial from contacts or recent calls
- Support for international prefixes
- Flexible call detail setup
- Display local time for contacts
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The ultimate iPhone calling card/IDD dialing application - save money when calling contacts from your iPhone by using one or more cards or carrier prefixes to get the best rates - even have the application automatically select the best card for you based on the selected number. Save money on all your international calls using the most popular calling card application for the iPhone. The application can also be used to route calls through a PBX system (no actual calling card required) or for Skype To Go calls. Main features: • Set up multiple phone/calling card accounts and easily switch between them - support for multiple access numbers per card. • Automatic card selection based on contact and/or number prefix. • Set up a list of favorite numbers to dial, select any number from your contacts, call a number from the recent calls placed from the application, or directly enter a phone number to be dialed. • Full support for international prefixes (numbers starting with '+'). • Flexible call details setup allows for automatic dialing of most phone cards even if intermediate menu selections have to be made. • Display local time for contact to be called (time zone lookup based on the phone number) - support for all international numbers. • Card definitions can be shared between different devices via simple email export/import. –––––––––––––––––––––– Winner "iPhone Apps Excellence Award for 2008" (iPhonefootprint.com)!
Batteries
Display your iPhone and Apple Watch battery levels directly on your Lock Screen and watch face. Choose from various widget styles for easy at-a-glance monitoring without unlocking your device.
- Lock Screen battery widgets
- Apple Watch complications
- Multiple widget styles
- Always-on display
- iPhone battery monitoring
- Watch face complications
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Batteries Lock Screen Widgets Always keep an eye on your iPhone battery level — directly on your Lock Screen and even on your Apple Watch. With Batteries Lock Screen Widgets, you can add clean and practical battery indicators to your Lock Screen and check your battery level without unlocking your iPhone. iPhone Features Customize your Lock Screen with different battery widgets: • Rectangular battery progress bar • Circular battery indicator • Compact text display • Extra large battery widgets for the Lock Screen All widgets are designed to make your battery level easy to read at a glance. Apple Watch Features Keep track of your iPhone battery directly from your Apple Watch: • See your iPhone battery level on your Apple Watch • Additional battery complications for your watch face • Additional iPhone status complications Know exactly how much battery your iPhone has left — right from your wrist. Always Shows the iPhone Battery The app always displays your iPhone battery level on the Lock Screen — even when other devices like AirPods, Apple Watch, or other Apple devices are connected. iOS 17 Notice: Apple changed how battery information can be accessed. Since iOS 17, third-party apps can only read battery levels in 5% increments.
Screenshots
Verdict
The clearest difference is update cadence: Batteries at every 2 days against Calling Card's every 3 months. Calling Card's advantage is review sentiment (62% vs 38%) and rating (3.2 vs 2.9). On ratings volume, ads, in-app purchases and monetization model 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
Calling Card costs $1.99 and Batteries $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calling Card holds the better App Store score, 3.2 against 2.9. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 62% of Calling Card's written reviews are positive against 38% of Batteries's.
Calling Card ships an update every 3 months, Batteries every 2 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.
| Parameter | Calling Card | Batteries |
|---|---|---|
| Price | $1.99 — better | $3.99 |
| Rating | 3.2 (6 ratings) — better | 2.9 (10 ratings) |
| Positive reviews | 62.4% of reviews — better | 37.5% of reviews |
| Number of ratings | 6 | 10 — better |
| Update frequency | Every 3 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Andreas Amann | Tobias Hauss |
Customer experience
Calling Card
Batteries
Bugs and requests
Calling Card
Reported bugs
13 issues- Duplicate contact creation with dialing codes
- App crashes on iOS 3.1, 4.x, 7.x and later versions
- Cannot input # or * characters in custom numbers
- Hangs when selecting contacts from list
- Ignores pause (,) between numbers
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- Inconsistent dialing speed and timing
- Freezes on last entered phone number
- Doesn't work with certain calling card providers
- Corrupts Google Contacts and removes custom ringtones
- Bypasses calling card and makes direct international calls
- Adds unwanted comma between prefix and number
- First call fails but second call works
- Doesn't work with Rogers, Topup, and other specific cards
Requested features
13 requests- Support for # and * character input
- Voice activation/VoiceOver compatibility
- Direct dialing from contacts app
- Faster DTMF dialing speed
- Favorites-only contact selection
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- Multiple PINs per card
- Bluetooth headset compatibility
- GPS-based access number selection
- Option to not modify contact list
- Shorter pause durations
- Default to home screen after call
- Pause and Wait functionality
- Integration with address book as default dialer
Batteries
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calling Card
No in-app purchases
Batteries
No in-app purchases
Questions
Is Calling Card free?
Is Batteries free?
Which has better reviews, Calling Card or Batteries?
Do Calling Card or Batteries have ads?
Which is updated more often, Calling Card or Batteries?
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