# International Calling vs CHALLENCY

The clearest difference is in-app purchases: CHALLENCY at none against International Calling's 8. CHALLENCY also leads on update cadence (every 9 days vs every 3 weeks). International Calling's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. International Calling sells 8 one-off in-app purchases. CHALLENCY asks for nothing beyond the download.

International Calling ships an update every 3 weeks, CHALLENCY every 9 days. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | International Calling | CHALLENCY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9K ratings)](https://appshunter.io/ios/app/international-calling-yolla/id985702286/reviews)** | — |
| Number of ratings | **9K** | — |
| Positive reviews | 35.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 50 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yolla Calls International](https://appshunter.io/developer/985702285) | [CHALLENCY INC.](https://appshunter.io/developer/1734639890) |

## 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 (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $4 Yolla Top-Up | $4.99 | one-time |
| $5 Yolla Top-Up | $5.99 | one-time |
| $8 Yolla Top-Up | $8.99 | one-time |
| $8 Yolla Top-Up | $9.99 | one-time |
| $10 Yolla Top-Up | $12.99 | one-time |
| $16 Yolla Top-Up | $16.99 | 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


### CHALLENCY

[App page](https://appshunter.io/ios/app/challency/id6478970048)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is International Calling free?

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

### Is CHALLENCY free?

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

### Do International Calling or CHALLENCY have ads?

CHALLENCY shows ads; International Calling does not.

### Which is updated more often, International Calling or CHALLENCY?

International Calling ships an update every 3 weeks, and CHALLENCY every 9 days. Most recently, International Calling was updated on October 21, 2026 and CHALLENCY on October 8, 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.*