# SMS Arrow vs Second Line Calling/Texting

The clearest difference is in-app purchases: SMS Arrow at none against Second Line Calling/Texting's 8. SMS Arrow also leads on iOS requirement (10.0 vs 15.6). Second Line Calling/Texting's advantage is update cadence (every 2 months vs every 74 months). On price, ads and device support there is nothing between them.

Both are free to download. Second Line Calling/Texting sells 8 in-app purchases, starting at $9.99 per month. SMS Arrow asks for nothing beyond the download.

SMS Arrow ships an update every 74 months, Second Line Calling/Texting every 2 months. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SMS Arrow | Second Line Calling/Texting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (2K ratings)](https://appshunter.io/ios/app/second-line-callingtexting/id1231852034/reviews)** |
| Number of ratings | — | **2K** |
| Positive reviews | — | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 11 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Essentially Precise](https://appshunter.io/developer/1228034013) | [BinaryPattern](https://appshunter.io/developer/874400678) |

## What reviewers say

### SMS Arrow

[App page](https://appshunter.io/ios/app/sms-arrow/id1228034014)

**In-app purchases:** none


### Second Line Calling/Texting

[App page](https://appshunter.io/ios/app/second-line-callingtexting/id1231852034)

Add a second phone number to your device for private texting and calling. Protect your personal number from spam and unwanted calls when dating, selling online, or for any project. Easily manage multiple numbers and contacts within the app.

**Highlights:** Add a second phone number, Keep personal number private, Unlimited texts and calls (premium), Create multiple numbers, Separate contacts, Burn temporary numbers, Mask caller ID

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Line | $9.99 | per month |
| Premium Number Plan | $9.99 | per month |
| Premium Number Plan Upgrade | $9.99 | per month |
| 3 Coin Pack | $2.99 | one-time |
| 8 Coin Pack | $5.99 | one-time |
| 15 Coin Pack | $9.99 | one-time |
| 25 Coin Pack | $13.99 | one-time |
| 60 Coin Pack | $27.99 | one-time |

**What reviewers like**

- 👍 Easy and convenient
- 🚀 Fast setup
- 🔒 Flexible and secure
- 💰 Good value for money
- 📱 User-friendly interface

**What reviewers complain about**

- 🐛 Occasional technical issues
- 🔍 Limited customer support
- 💸 Expensive premium plans
- 🔌 Unreliable call/text functionality

**Reported bugs**

- Dropped calls
- Failed message deliveries
- Disappearing contacts
- Billing/subscription problems

**Requested features**

- Ability to send images/videos
- More free credits/minutes
- Improved customer support channels
- Compatibility with newer OS versions


## Frequently asked questions

### Is SMS Arrow free?

SMS Arrow is free to download, with no in-app purchases.

### Is Second Line Calling/Texting free?

Second Line Calling/Texting is free to download, with in-app purchases available.

### Do SMS Arrow or Second Line Calling/Texting have ads?

Neither SMS Arrow nor Second Line Calling/Texting shows ads.

### Which is updated more often, SMS Arrow or Second Line Calling/Texting?

SMS Arrow ships an update every 74 months, and Second Line Calling/Texting every 2 months. Most recently, SMS Arrow was updated on October 2, 2026 and Second Line Calling/Texting on October 14, 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.*