Quo (formerly OpenPhone) vs NTL Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quo (formerly OpenPhone)
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.
- 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
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Never lose a customer with Quo. The only phone system that helps businesses continue to build personal customer relationships at scale. Trusted by more than 90,000 companies — from fast-growing startups to Fortune 500s — and rated #1 in customer satisfaction on G2. Quo brings calls, texts, and customer information together in one platform. Bring clarity to every conversation. Shared inboxes, internal notes, and a mini CRM, gives every teammate the visibility and context they need to make sure each customer doesn't get missed. Respond to every customer. Fast. Built-in AI answers calls 24/7, flexible call flows route customers instantly, and custom contact properties ensure you're there when your customer needs you, while never missing a detail. Scale effortlessly as you grow. From your first customer to your thousandth, Quo adapts with you. No complex setup, no additional training, no growing pains. With Quo, it’s never been easier to close more deals, support more customers, and grow your business — without losing the human touch. Terms of use: https://www.quo.com/terms Privacy policy: https://www.quo.com/privacy
NTL Flow
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NTL Flow brings your whole workday into one quiet, focused workspace. Email, files, tasks, contacts, notes and e-signatures — together on your iPhone, without the noise. WHY NTL FLOW • One app instead of ten. Your inbox, drive, CRM, tasks and notes live side by side. • Calm by design. A clean, light interface that stays out of your way. • Built for real work. Turn an email into a task, save a sender to your CRM, or sign a document in a couple of taps. MAIL • All your inboxes unified in one place • Fast, distraction-free reading and replies • Search across every account TASKS • Capture to-dos the moment they land in your inbox • Set dates and priorities, check things off CRM • Keep contacts, clients and leads organized • Save any email sender to your CRM instantly DRIVE • Your files, always with you • Share in a tap NOTES & E-SIGN • Jot quick notes anywhere • Review and sign documents on the go NTL Flow is your account for the NTL of NYC workspace. Sign in with your NTL Flow credentials to get started. Questions? Visit https://ntlflow.com
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Quo (formerly OpenPhone) | NTL Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (11K ratings) — better | — |
| Positive reviews | 33.8% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #55 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 139 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | OpenPhone Technologies Inc | NTL of NYC |
Bugs and requests
Quo (formerly OpenPhone)
Reported bugs
20 issues- Messages don't always appear
- Does Not Work for SMS Verification
- Bad connection
- OTP malfunction
- Issues with calls showing as scam
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- Muffled sound quality
- Incorrect notifications
- Calls not ringing or going to voicemail
- Texts not sending
- Dropped calls
- Syncing issues with contacts
- Delayed notifications
- Ringtone issues
- Billing issues
- Account blocking
- Porting issues
- Inability to delete messages
- Call quality issues
- Number showing as spam
- Inability to search messages by number
Requested features
5 requests- Make it Conference Call option
- Custom Notification Tones
- Transfer Call & 3 Way
- Dark mode option
- Advanced analytics dashboard
NTL Flow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Quo (formerly OpenPhone)
- Starter Plan7 Days trial$21.001 Month
- Starter Plan - 2 Numbers$26.001 Month
- Starter Plan - 3 Numbers$31.001 Month
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- Starter Plan - 4 Numbers$51.991 Month
- Starter Plan - 5 Numbers$64.991 Month
NTL Flow
No in-app purchases
