# Quo (formerly OpenPhone) vs NTL Flow

The clearest difference is in-app purchases: NTL Flow at none against Quo (formerly OpenPhone)'s 5. Quo (formerly OpenPhone)'s advantage is chart position (#55 vs unranked) and update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quo (formerly OpenPhone) sells 5 in-app purchases, starting at $21.00 per month. NTL Flow asks for nothing beyond the download.

Quo (formerly OpenPhone) ships an update every 9 days, NTL Flow every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Quo (formerly OpenPhone) | NTL Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11K ratings)](https://appshunter.io/ios/app/quo-formerly-openphone/id1241817309/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 33.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#55** | — |
| Size | 139 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OpenPhone Technologies Inc](https://appshunter.io/developer/1412226074) | [NTL of NYC](https://appshunter.io/developer/6815692593) |

## What reviewers say

### Quo (formerly OpenPhone)

[App page](https://appshunter.io/ios/app/quo-formerly-openphone/id1241817309)

**Currently charting:** #55 Top Grossing · Business (US App Store)

This business communication platform integrates calls, texts, and customer data into a single system. It offers AI-powered call answering, flexible routing, and a mini CRM to enhance customer relationships and streamline operations for growing businesses.

**Highlights:** Integrated calls and texts, Mini CRM with customer notes, AI-powered 24/7 call answering, Shared inboxes for team visibility, Flexible call routing, Customizable contact properties

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Plan | $21.00 | per month |
| Starter Plan - 2 Numbers | $26.00 | per month |
| Starter Plan - 3 Numbers | $31.00 | per month |
| Starter Plan - 4 Numbers | $51.99 | per month |
| Starter Plan - 5 Numbers | $64.99 | per month |

**What reviewers like**

- 🚀 Great phone
- 👍 Fantastic App
- 👍 Great app!
- 👍 Great service
- 👍 Amazing!

**What reviewers complain about**

- 🔇 Unable to mute individual numbers
- 🐛 SMS notifications don't alert sometimes
- 🔒 Forced to let AI read all of our messages
- 🔒 Scam
- 🔒 Complex Registration

**Reported bugs**

- Messages don't always appear
- Does Not Work for SMS Verification
- Bad connection
- OTP malfunction
- Issues with calls showing as scam

**Requested features**

- Make it Conference Call option
- Custom Notification Tones
- Transfer Call & 3 Way
- Dark mode option
- Advanced analytics dashboard


### NTL Flow

[App page](https://appshunter.io/ios/app/ntl-flow/id6815692591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quo (formerly OpenPhone) free?

Quo (formerly OpenPhone) is free to download, with in-app purchases available.

### Is NTL Flow free?

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

### Do Quo (formerly OpenPhone) or NTL Flow have ads?

Neither Quo (formerly OpenPhone) nor NTL Flow shows ads.

### Which is updated more often, Quo (formerly OpenPhone) or NTL Flow?

Quo (formerly OpenPhone) ships an update every 9 days, and NTL Flow every 3 weeks. Most recently, Quo (formerly OpenPhone) was updated on November 1, 2026 and NTL Flow on October 24, 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.*