# Second Texting Number vs Karrier One

The clearest difference is review sentiment: Second Texting Number at 61% against Karrier One's 0%. Second Texting Number also leads on rating (4.6 vs 1.0) and ratings volume (17K vs 1). Karrier One's advantage is in-app purchases (none vs 11). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Second Texting Number sells 11 in-app purchases, starting at $5.99 per month. Karrier One asks for nothing beyond the download.

Second Texting Number holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Second Texting Number has 17K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 61% of Second Texting Number's written reviews are positive against 0% of Karrier One's.

Second Texting Number ships an update every 2 weeks, Karrier One every 4 weeks. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Second Texting Number | Karrier One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17K ratings)](https://appshunter.io/ios/app/second-texting-numberunlisted/id539640635/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/karrier-one-call-and-text/id6742020732/reviews) |
| Number of ratings | **17K** | 1 |
| Positive reviews | **60.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 59 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [FathomTel, Inc.](https://appshunter.io/developer/1482732721) | [Karrier One Inc](https://appshunter.io/developer/1782590545) |

## What reviewers say

### Second Texting Number

[App page](https://appshunter.io/ios/app/second-texting-numberunlisted/id539640635)

Protect your personal number by using a private, disposable phone number for calls and texts. Choose your own number in any area code and receive verification codes without revealing your identity. Manage your privacy with features like auto-response and custom voicemail.

**Highlights:** Unlimited texting and calling, Choose your own number, Protect your privacy, Receive verification codes, Separate contacts, Auto-response, Custom voicemail

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlisted Number: Pay as You Go | $5.99 | per month |
| Unlimited Texting + Calling | $14.99 | per month |
| Unlimited Texting + Calling | $14.99 | per month |
| Second Texting Number | $17.99 | per month |
| Unlimited Talk + Text | $19.99 | per month |
| Unlimited Talk + Text | $19.99 | per month |
| Unlimited Texting & Calling | $39.99 | per month |
| 100 Text Messages | $2.99 | one-time |
| 200 Minutes | $7.99 | one-time |
| Pay as You Go (Prepay 1 Month) | $9.99 | one-time |
| Change Your Number | $19.99 | one-time |

**What reviewers like**

- 🚀 Reliable service
- 🔒 Maintains privacy
- 👍 Easy to use
- 💡 Useful for business/personal separation
- 🚀 Clear audio quality

**What reviewers complain about**

- 🐛 Glitchy/buggy performance
- ⚠️ Unreliable number availability
- 💰 Expensive pricing
- 🔒 Difficult to delete account
- ⚠️ Unexpected charges/billing issues

**Reported bugs**

- Texts not being received
- Accounts being blocked/restricted without explanation
- Purchased numbers not working as expected

**Requested features**

- Ability to log out of devices
- International calling/texting support
- Group messaging functionality


### Karrier One

[App page](https://appshunter.io/ios/app/karrier-one-call-and-text/id6742020732)

This app integrates communication tools like calling and texting with digital finance management, including a blockchain wallet and AI assistance for transactions. It offers a unified platform for everyday communication, mobile connectivity, and digital asset management.

**Highlights:** VoIP calls and global texting, Purchase and manage phone numbers/plans, Integrated Sui blockchain wallet, Phone-number-based crypto transactions, AI Butler for transaction assistance, Unified communication and finance platform

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Second Texting Number free?

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

### Is Karrier One free?

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

### Which has better reviews, Second Texting Number or Karrier One?

Second Texting Number is rated higher. Second Texting Number averages 4.6 out of 5 from 17K ratings, while Karrier One averages 1.0 from 1 ratings.

### Do Second Texting Number or Karrier One have ads?

Neither Second Texting Number nor Karrier One shows ads.

### Which is updated more often, Second Texting Number or Karrier One?

Second Texting Number ships an update every 2 weeks, and Karrier One every 4 weeks. Most recently, Second Texting Number was updated on November 3, 2026 and Karrier One on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*