International Calling vs CHALLENCY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
International Calling
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.
- 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
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Call landlines and mobiles in the the United Kingdom, Nigeria, Ghana, Jamaica, Kenya, Ethiopia, France, the United Arab Emirates, Saudi Arabia, Egypt, Oman, Philippines, and 200 more countries and territories. Why Yolla: ∙ VALUE FOR MONEY. Compare our rates and prepare to be amazed. We provide the best rates on more than 30.000 international call destinations. Forget about time – talk more for less. ∙ AVOID ROAMING FEES. Make a call via Wi-Fi and save a fortune on your carrier's roaming fees. Make the most out of your staying abroad! ∙ KEEP YOUR NUMBER. Enjoy Caller ID - a premium feature offered by Yolla for free! Your friends will always receive a call from your personal phone number. They won't know you're calling from the app! ∙ STAY IN CONTROL. We show the price before the call and don't have any hidden charges and connection fees. You pay a straightforward per-minute rate and always know where your money goes. ∙ EARN CREDITS. By inviting friends you can easily earn free credits to call to landlines and mobiles all over the world. Simply send out your personal link and enjoy talking for free! ∙ EASY MOBILE RECHARGE. Top up any mobile number. With Yolla you will have no problem sending airtime to your colleagues, friends, loved ones or anyone. We offer easy & instant mobile recharge with low fees. Forget about calling cards or complex procedures and recharge any number online in just 2 clicks. ∙ INTERNATIONAL SMS TEXTING. Don't have time to call abroad and need to drop a message ASAP? Send text messages to 150 + countries via Yolla. ∙ SEND YOLLA TOP-UPS TO ANYONE. Have friends or family using Yolla? Great! Now you can recharge their accounts. Just purchase and send Yolla credits to your family and friends. They will enjoy free talktime with you or anyone else. ∙ MILLIONS TRUST YOLLA. Be a savvy caller like thousands of Yolla users! Get Yolla today and start talking more for less! Drop the doubt and start enjoying calling abroad! All you need is the Internet connection – WiFi, 4G, LTE, or 3G. Your friends and partners will see no difference - but you will. Any questions or suggestions? Please contact us at hi@yollacalls.com.
CHALLENCY
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About Challency: Challency is a mobile app designed to create a platform for individuals seeking personal growth through challenging experiences. Users can engage in various challenges and share their journey through videos on the app. Key Actors: Main Challengers: Users who initiate challenges by setting goals and sharing their progress. Co-Challengers: Participants who join and complete challenges initiated by Main Challengers. Followers: Users who follow Main and Co-Challengers to stay updated on their challenges and progress. Challenges: Challenges are activities aimed at improving quality of life but are often postponed due to various reasons. Each challenge consists of two edges (bottom and up) and three stages (first, second, and end). Challenge Progress: Main Challengers set daily goals for their challenges and share short videos (daily reports) of their progress on the Storyline. Co-Challengers participate in these challenges and share their experiences as well. Challenger's Motto: The trademark of Challengers is "I don't have a dream, I am challenging."
Screenshots
Verdict
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.
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. 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.
| Parameter | International Calling | CHALLENCY |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (9K ratings) — better | — |
| Positive reviews | 35.6% of reviews | — |
| Number of ratings | 9K — better | — |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 105 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | Yolla Calls International | CHALLENCY INC. |
Bugs and requests
International Calling
Reported bugs
3 issues- Keypad not working during calls
- Balance disappearing without explanation
- Simultaneous call limit issues
Requested features
3 requests- Improve SMS/text messaging functionality
- Add option to edit contact photos
- Provide more transparent pricing information
CHALLENCY
Not enough reviews yet to summarise bugs or requests.
In-app purchases
International Calling
- $4 Yolla Top-Up$4.99
- $5 Yolla Top-Up$5.99
- $8 Yolla Top-Up$8.99
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- $8 Yolla Top-Up$9.99
- $10 Yolla Top-Up$12.99
- $16 Yolla Top-Up$16.99
- $16 Yolla Top-Up$19.99
- $20 Yolla Top-Up$24.99
CHALLENCY
No in-app purchases
Questions
Is International Calling free?
Is CHALLENCY free?
Do International Calling or CHALLENCY have ads?
Which is updated more often, International Calling or CHALLENCY?
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