2ndNumber vs UltraTone Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
2ndNumber
This app provides full phone calling functionality directly to your Apple device. Log in with your account to make and receive calls using WiFi or mobile data.
- Full phone calling functionality
- Make and receive calls
- WiFi and mobile data support
- Seamless account connection
- Apple device integration
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The 2ndNumber app connects seamlessly with your 2ndNumber account to bring full phone calling functionality directly to your Apple device. Just log in with your credentials and start making and receiving calls wherever you have a WiFi or mobile data connection—whether it’s 3G, 4G, or 5G.
UltraTone Connect
Make free VoIP or low-cost international calls using WiFi or cellular data. Offers a callback feature for unstable connections and provides clearer audio at a fraction of traditional SIM card costs.
- Free VoIP calls
- Low-cost international calls
- WiFi and 4G/5G connectivity
- Callback Request feature
- Superior audio quality
- Cost-efficient alternative
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UltraTone enables you to make free VOIP or low cost international calls over the internet, utilizing either WiFi or 4G connectivity and leveraging the high-speed potential of 4G/5G technology. The 'Callback Request' feature ensures that you can place crucial calls even when your internet connection is unstable, offering a cost-efficient alternative to traditional calling methods. On average, UltraTone is 80% less expensive compared to calls made using a SIM card. Additionally, it delivers superior and faster connections, providing much clearer audio quality during calls.
Screenshots
Verdict
The clearest difference is review sentiment: UltraTone Connect at 100% against 2ndNumber's 0%. UltraTone Connect also leads on rating (5.0 vs 2.6) and update cadence (every 3 weeks vs every 3 months). 2ndNumber's advantage is in-app purchases (none vs 1). On price, ratings volume, ads 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
Both are free to download. UltraTone Connect sells 1 one-off in-app purchase. 2ndNumber asks for nothing beyond the download.
UltraTone Connect holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 0% of 2ndNumber's written reviews are positive against 100% of UltraTone Connect's.
2ndNumber ships an update every 3 months, UltraTone Connect every 3 weeks. The most recent releases landed on October 24, 2026 and September 17, 2026 respectively.
| Parameter | 2ndNumber | UltraTone Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 5 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 65 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | buzzbox | BasketAsia Sdn. Bhd. |
Customer experience
2ndNumber
UltraTone Connect
In-app purchases
2ndNumber
No in-app purchases
UltraTone Connect
- 12.99 USD Calling Credit$12.99
Questions
Is 2ndNumber free?
Is UltraTone Connect free?
Which has better reviews, 2ndNumber or UltraTone Connect?
Do 2ndNumber or UltraTone Connect have ads?
Which is updated more often, 2ndNumber or UltraTone Connect?
Other comparisons
