# Upside Down Text vs Second Line Calling/Texting

The clearest difference is price: Second Line Calling/Texting at Free against Upside Down Text's $0.99. Second Line Calling/Texting also leads on update cadence (every 2 months vs every 14 months) and ratings volume (2K vs 1). Upside Down Text's advantage is rating (5.0 vs 4.2) and in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Second Line Calling/Texting is free to download; Upside Down Text costs $0.99 up front. Second Line Calling/Texting sells 8 in-app purchases, starting at $9.99 per month. Upside Down Text asks for nothing beyond the download.

Upside Down Text holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Second Line Calling/Texting has 2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Upside Down Text's written reviews are positive against 68% of Second Line Calling/Texting's.

Upside Down Text ships an update every 14 months, Second Line Calling/Texting every 2 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Upside Down Text | Second Line Calling/Texting |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/upside-down-text/id1173186593/reviews)** | [4.2 (2K ratings)](https://appshunter.io/ios/app/second-line-callingtexting/id1231852034/reviews) |
| Number of ratings | 1 | **2K** |
| Positive reviews | **100.0% of reviews** | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#99** | — |
| Size | 1 MB | 11 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thallos](https://appshunter.io/developer/544488594) | [BinaryPattern](https://appshunter.io/developer/874400678) |

## What reviewers say

### Upside Down Text

[App page](https://appshunter.io/ios/app/upside-down-text/id1173186593)

**Currently charting:** #99 Top Paid · Social Networking (US App Store)

Easily transform your typed text into an upside-down version. Copy and paste your unique creations into any application or use the share function to send them to other apps.

**Highlights:** Type text, Convert to upside-down, Copy converted text, Share to other apps

**Features:** Vision Pro support

**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 Upside Down Text free?

Upside Down Text costs $0.99, with no in-app purchases.

### Is Second Line Calling/Texting free?

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

### Which has better reviews, Upside Down Text or Second Line Calling/Texting?

Upside Down Text is rated higher. Upside Down Text averages 5.0 out of 5 from 1 ratings, while Second Line Calling/Texting averages 4.2 from 2K ratings.

### Do Upside Down Text or Second Line Calling/Texting have ads?

Neither Upside Down Text nor Second Line Calling/Texting shows ads.

### Which is updated more often, Upside Down Text or Second Line Calling/Texting?

Upside Down Text ships an update every 14 months, and Second Line Calling/Texting every 2 months. Most recently, Upside Down Text was updated on October 4, 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.*