# Line2 vs Topup Flow

The clearest difference is in-app purchases: Topup Flow at none against Line2's 10. Topup Flow also leads on update cadence (fortnightly vs monthly). Line2's advantage is chart position (#167 vs unranked). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Line2 sells 10 in-app purchases, starting at $9.99 per month. Topup Flow asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Line2 against 4.5 for Topup Flow. Both are backed by a comparable volume of ratings — 20K and 7K respectively. Written reviews are what separate them: 21% of Line2's written reviews are positive against 26% of Topup Flow's.

Line2 ships an update monthly, Topup Flow fortnightly. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Line2 | Topup Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (20K ratings)](https://appshunter.io/ios/app/line2-second-phone-number/id319185557/reviews) | **[4.5 (7K ratings)](https://appshunter.io/ios/app/topup-flow/id1503038374/reviews)** |
| Number of ratings | **20K** | 7K |
| Positive reviews | 20.7% of reviews | **26.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#167** | — |
| Size | 48 MB | 71 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [J2 Web Services, Inc.](https://appshunter.io/developer/1496258416) | [Cable & Wireless Holdings, Inc.](https://appshunter.io/developer/874354221) |

## What reviewers say

### Line2

[App page](https://appshunter.io/ios/app/line2-second-phone-number/id319185557)

**Currently charting:** #167 Top Grossing · Productivity (US App Store)

This app provides a second phone number for calls and texts, enhancing privacy and communication. It offers features like call screening, blocking, and unlimited messaging over Wi-Fi, eliminating the need for cellular data.

**Highlights:** Second phone number, Unlimited calls and texts, Call screening and blocking, Voicemail access, Group messaging, Wi-Fi calling and texting

**Features:** Siri integration, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Unlimited Monthly | $9.99 | per month |
| Monthly subscription | $10.99 | per month |
| Personal Unlimited Monthly | $11.99 | per month |
| Line2 Standard Mobile Monthly | $15.99 | per month |
| Mobile Starter Monthly | $15.99 | per month |
| Line2 Standard | $16.99 | per month |
| Mobile Starter Monthly | $17.99 | per month |
| Personal Unlimited Annual | $95.90 | per year |
| Line2 - Annual | $163.99 | per year |
| Mobile Starter Annual | $164.99 | per year |

**What reviewers like**

- 🚀 Convenient second line
- 📞 Reliable call quality
- 💬 Good texting functionality
- 🔒 Secure and private
- 🌐 Works well for international users

**What reviewers complain about**

- 🐛 Frequent app crashes and bugs
- 📞 Poor call quality and dropped calls
- 💬 Unreliable text messaging
- 🕰️ Slow app performance
- 🤖 Unhelpful and unresponsive customer support

**Reported bugs**

- Calls not ringing on device
- Inability to retrieve voicemails
- Contacts and call history not syncing properly
- Unexpected app log-outs
- Texting issues and message delivery failures

**Requested features**

- Ability to customize ringtones
- Support for video and image sharing in messages
- Separate contact list for Line2 number
- Apple Watch app integration
- Improved call handling and forwarding options


### Topup Flow

[App page](https://appshunter.io/ios/app/topup-flow/id1503038374)

Easily recharge any Flow phone or purchase plans with a credit/debit card or PayPal. Select a destination, choose an amount or plan, and enter payment details for a quick top-up.

**Highlights:** Recharge any Flow phone, Purchase Flow plans, Pay with credit/debit card, Pay with PayPal, Simple 3-step process, Repeat past top-ups

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Excellent app
- 🚀 Easy to use

**What reviewers complain about**

- 🐛 App crashes frequently
- 💸 Overcharging and losing credit
- 🔍 Lacking functionality and information
- 🤖 Poor customer service
- 🔌 Unreliable connectivity

**Reported bugs**

- Charges not going through
- Logging out issues
- Freezing and crashing

**Requested features**

- Improve data balance display
- Allow email/profile updates
- Provide better plan information


## Frequently asked questions

### Is Line2 free?

Line2 is free to download, with in-app purchases available.

### Is Topup Flow free?

Topup Flow is free to download, with no in-app purchases.

### Which has better reviews, Line2 or Topup Flow?

Topup Flow is rated higher. Line2 averages 4.4 out of 5 from 20K ratings, while Topup Flow averages 4.5 from 7K ratings.

### Do Line2 or Topup Flow have ads?

Neither Line2 nor Topup Flow shows ads.

### Which is updated more often, Line2 or Topup Flow?

Line2 ships an update monthly, and Topup Flow fortnightly. Most recently, Line2 was updated on November 8, 2026 and Topup Flow on November 7, 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.*