# Termii Authenticator vs Second Phone Number

The clearest difference is rating: Termii Authenticator at 5.0 against Second Phone Number's 4.3. Termii Authenticator also leads on in-app purchases (none vs 10) and device support (3 vs 1). Second Phone Number's advantage is ratings volume (923 vs 6) and chart position (#175 vs unranked). On price, update cadence and ads there is nothing between them.

Both are free to download. Second Phone Number sells 10 in-app purchases, starting at $4.99 per 7 days. Termii Authenticator asks for nothing beyond the download.

Termii Authenticator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Second Phone Number has 923 ratings behind it against 6, so its average is the more settled of the two.

Termii Authenticator ships an update every 10 days, Second Phone Number fortnightly. Both last shipped on November 12, 2026.

## The numbers

| Metric | Termii Authenticator | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/termii-authenticator/id1623590055/reviews)** | [4.3 (923 ratings)](https://appshunter.io/ios/app/second-phone-number-calling/id6470302849/reviews) |
| Number of ratings | 6 | **923** |
| Positive reviews | — | 64.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#175** |
| Size | 39 MB | 127 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TERMII WEBTECH LIMITED](https://appshunter.io/developer/1623590057) | [Municorn Limited](https://appshunter.io/developer/380984285) |

## What reviewers say

### Termii Authenticator

[App page](https://appshunter.io/ios/app/termii-authenticator/id1623590055)

Never miss one-time passwords (OTPs) from businesses with this app. It ensures you receive important updates and can even add two-factor authentication to your other apps for enhanced security.

**Highlights:** Guaranteed OTP delivery, Receive business updates, Free 2FA feature, Enhanced app security, Hassle-free OTP management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Second Phone Number

[App page](https://appshunter.io/ios/app/second-phone-number-calling/id6470302849)

**Currently charting:** #175 Top Grossing · Utilities (US App Store)

Obtain a virtual US or Canadian phone number instantly without needing an extra SIM card. Make and receive calls and texts using Wi-Fi or mobile data, with international calling and MMS capabilities. Ideal for separating personal and business communications.

**Highlights:** Virtual US/Canadian phone number, Choice of local area codes, Wi-Fi calling, International calls, SMS and MMS, Voice message retrieval

**Features:** Siri integration

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Phone Premium (week) | $4.99 | per 7 days |
| Second Phone Premium (week) | $9.99 | per 7 days |
| Second Phone Premium (week) | $9.99 | per 7 days |
| Second Phone Premium (week) | $14.99 | per 7 days |
| Second Phone Number: Call Text | $14.99 | per 7 days |
| Second Phone Premium (month) | $29.99 | per month |
| Second Phone Premium (quarter) | $49.99 | per 3 months |
| Second Phone Premium (yearly) | $95.99 | per year |
| Change number | $4.99 | one-time |
| Change Number 2+ | $7.99 | one-time |

**What reviewers like**

- 🚀 Fast and easy setup
- 👍 Convenient and practical
- 🚀 Reliable and smooth performance
- 👍 Helpful customer service
- 🚀 Versatile and feature-rich

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- ⚠️ Unclear restrictions on app usage
- 💰 Subscription fees may be high for some users
- 🔒 Privacy and security concerns
- ⚠️ Limited number of available phone numbers

**Reported bugs**

- Inability to send/receive messages or make calls
- Crashes when trying to link contacts
- Verification codes not being delivered

**Requested features**

- Ability to change phone numbers more frequently
- Support for more social media and messaging apps
- Option to delete text message history
- Local phone number availability for international users


## Frequently asked questions

### Is Termii Authenticator free?

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

### Is Second Phone Number free?

Second Phone Number is free to download, with in-app purchases available.

### Which has better reviews, Termii Authenticator or Second Phone Number?

Termii Authenticator is rated higher. Termii Authenticator averages 5.0 out of 5 from 6 ratings, while Second Phone Number averages 4.3 from 923 ratings.

### Do Termii Authenticator or Second Phone Number have ads?

Neither Termii Authenticator nor Second Phone Number shows ads.

### Which is updated more often, Termii Authenticator or Second Phone Number?

Termii Authenticator ships an update every 10 days, and Second Phone Number fortnightly. Most recently, Termii Authenticator was updated on November 12, 2026 and Second Phone Number on November 12, 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.*