# International Calling vs Grandstream Wave

The clearest difference is rating: International Calling at 4.7 against Grandstream Wave's 2.6. International Calling also leads on ratings volume (9K vs 51) and review sentiment (36% vs 12%). Grandstream Wave's advantage is in-app purchases (none vs 6) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. International Calling sells 6 one-off in-app purchases. Grandstream Wave asks for nothing beyond the download.

International Calling holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: International Calling has 9K ratings behind it against 51, so its average is the more settled of the two. Written reviews point the same way: 36% of International Calling's written reviews are positive against 12% of Grandstream Wave's.

International Calling ships an update every 3 weeks, Grandstream Wave every 5 weeks. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | International Calling | Grandstream Wave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9K ratings)](https://appshunter.io/ios/app/international-calling-yolla/id985702286/reviews)** | [2.6 (51 ratings)](https://appshunter.io/ios/app/grandstream-wave/id1523254549/reviews) |
| Number of ratings | **9K** | 51 |
| Positive reviews | **35.6% of reviews** | 12.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 105 MB | 116 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yolla Calls International](https://appshunter.io/developer/985702285) | [Grandstream](https://appshunter.io/developer/951547763) |

## What reviewers say

### International Calling

[App page](https://appshunter.io/ios/app/international-calling-yolla/id985702286)

Make affordable international calls to landlines and mobiles worldwide. Avoid roaming fees by calling over Wi-Fi and keep your personal number visible. Easily recharge mobile phones and send international SMS messages.

**Highlights:** Affordable international calls, Wi-Fi calling to avoid roaming, Caller ID with personal number, Transparent per-minute rates, Earn free calling credits, Easy mobile recharge, International SMS texting

**Features:** Siri integration, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $4 Yolla Top-Up | $4.99 | one-time |
| $5 Yolla Top-Up | $5.99 | one-time |
| $8 Yolla Top-Up | $9.99 | one-time |
| $10 Yolla Top-Up | $12.99 | one-time |
| $16 Yolla Top-Up | $19.99 | one-time |
| $20 Yolla Top-Up | $24.99 | one-time |

**What reviewers like**

- 🚀 Excellent call quality
- 💡 Great app for international calls
- 👍 Easy to use
- 🚀 Speedy connection
- 👍 Affordable rates

**What reviewers complain about**

- 🐛 Unreliable service
- 🐛 Calls don't connect
- 🐛 Poor customer support
- 💰 Overcharged for calls
- 🐛 Buggy app

**Reported bugs**

- Keypad not working during calls
- Balance disappearing without explanation
- Simultaneous call limit issues

**Requested features**

- Improve SMS/text messaging functionality
- Add option to edit contact photos
- Provide more transparent pricing information


### Grandstream Wave

[App page](https://appshunter.io/ios/app/grandstream-wave/id1523254549)

This app transforms your device into a powerful softphone, enabling high-quality audio and video calls, and seamless meeting participation. Connect to your IP PBX system to call extensions, landlines, and mobile numbers from anywhere with a network connection.

**Highlights:** High-quality audio and video calls, Schedule and attend meetings, Join meetings without logging in, Connect to UCM63XX series IP PBX, Call extensions, landlines, and mobiles, Create and join meetings

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is International Calling free?

International Calling is free to download, with in-app purchases available.

### Is Grandstream Wave free?

Grandstream Wave is free to download, with no in-app purchases.

### Which has better reviews, International Calling or Grandstream Wave?

International Calling is rated higher. International Calling averages 4.7 out of 5 from 9K ratings, while Grandstream Wave averages 2.6 from 51 ratings.

### Do International Calling or Grandstream Wave have ads?

Neither International Calling nor Grandstream Wave shows ads.

### Which is updated more often, International Calling or Grandstream Wave?

International Calling ships an update every 3 weeks, and Grandstream Wave every 5 weeks. Most recently, International Calling was updated on November 9, 2026 and Grandstream Wave on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*