Comparison

Telz vs CHALLENCY

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Telz

Make affordable international calls with transparent pricing and premium audio quality. Stay connected with loved ones worldwide, avoid roaming fees, and easily send airtime. Offers call recording and a user-friendly interface for global communication.

Highlights
  • Cheap international calls
  • Premium quality VoIP
  • Free trial call
  • Easy top-up and recharge
  • Save money on roaming
  • Call recording
  • WiFi calling
Features
Read full description

Make international calls to any country with Telz — a reliable online phone call app for cheap international calling. Stay connected with family and friends worldwide using crystal-clear calls at low rates, with no hidden fees and no roaming charges. Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data. Why choose the Telz international calling app? Cheap international calls: Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry. High-quality VoIP calls: Enjoy crystal-clear connections with our VoIP call app, built for stable and reliable international communication. Call abroad anytime: Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are. Easy to use: - Install the app and set up your account in a minute - Top up your balance in seconds - Choose a contact or dial a number - Make an online call or a fast call abroad instantly You can also send airtime to friends and family worldwide. No roaming, no hidden fees: Avoid roaming charges and keep full control of your costs. This international calling app lets you make phone calls online globally with clear pricing. Calls over the internet: Make an online phone call using Wi-Fi or mobile data. Our wifi calling app works worldwide and helps you stay connected anywhere. Fast and reliable connection: Experience fast call performance with optimized VoIP routes for better call quality. Callback for unstable internet: If your internet connection is weak, use callback to call abroad or call international numbers over regular phone networks. Pay-as-you-go pricing: Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription. Ideal for travelers: Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees. Extra features: - Contact list integration - Airtime top-up worldwide - One account for all your devices - Optional auto top-ups - 24/7 customer support - Built-in call recorder Get Telz today — your all-in-one international calling app to make phone calls, place an online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).

About

CHALLENCY

Features
Read full description

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

Telz4 screens
CHALLENCY4 screens

Verdict

The call

The clearest difference is in-app purchases: CHALLENCY at none against Telz's 4. CHALLENCY also leads on update cadence (every 9 days vs monthly). Telz's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Telz sells 4 one-off in-app purchases. CHALLENCY asks for nothing beyond the download.

UpkeepUpdate frequency

Telz ships an update monthly, CHALLENCY every 9 days. The most recent releases landed on September 26, 2026 and May 18, 2026 respectively.

Scorecard4 real differences · 6 level
Telz versus CHALLENCY: the parameters behind the verdict, then further details
ParameterTelzCHALLENCY
PriceFreeFree
Rating4.4 (2.5K ratings) — better—
Positive reviews68.8% of reviews—
Number of ratings2.5K — better—
Update frequencyMonthlyEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size131 MB50 MB
Age rating4+17+
DeveloperNettia OYCHALLENCY INC.

Bugs and requests

Telz

Reported bugs

3 issues
  • Frequent disconnections
  • Inability to make calls to certain destinations
  • Billing discrepancies

Requested features

3 requests
  • Call recording feature
  • Improved compatibility with older devices
  • Transparent pricing structure

CHALLENCY

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Telz

One-time4
  • calling credit$1.99
  • calling credit$3.99
  • calling credit$7.99
Show 1 more
  • calling credit$15.99
None

CHALLENCY

No in-app purchases

Questions

Is Telz free?
Telz is free to download, with in-app purchases available.
Is CHALLENCY free?
CHALLENCY is free to download, with no in-app purchases.
Do Telz or CHALLENCY have ads?
CHALLENCY shows ads; Telz does not.
Which is updated more often, Telz or CHALLENCY?
Telz ships an update monthly, and CHALLENCY every 9 days. Most recently, Telz was updated on September 26, 2026 and CHALLENCY on May 18, 2026.

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