# iTeleCenter vs String

The clearest difference is rating: iTeleCenter at 4.6 against String's 3.5. iTeleCenter also leads on monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iTeleCenter holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 139 and 62 respectively. Written reviews complicate that: 62% of iTeleCenter's written reviews are positive against 69% of String's, so the app with the better star average is not the one people write more warmly about.

iTeleCenter ships an update every 6 weeks, String every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | iTeleCenter | String |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (139 ratings)](https://appshunter.io/ios/app/itelecenter/id426417970/reviews)** | [3.5 (62 ratings)](https://appshunter.io/ios/app/string-modern-phone-inbox/id1445655431/reviews) |
| Number of ratings | **139** | 62 |
| Positive reviews | 61.5% of reviews | **68.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 68 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COA Network](https://appshunter.io/developer/426417973) | [NumberBarn, LLC](https://appshunter.io/developer/1031383867) |

## What reviewers say

### iTeleCenter

[App page](https://appshunter.io/ios/app/itelecenter/id426417970)

This app transforms your mobile phone into a virtual office, allowing you to manage business calls, voicemails, and faxes. It keeps your personal number private while enabling professional communication and message management.

**Highlights:** Use virtual number as caller ID, Return calls from messages, Manage business messages and faxes, Receive push notifications, Read voicemails, View faxes

**Features:** macOS Compatibility

**In-app purchases:** none


### String

[App page](https://appshunter.io/ios/app/string-modern-phone-inbox/id1445655431)

Enhance customer engagement with a business SMS and voice platform. Organize your inbox, automate responses, and manage contacts efficiently. Send personalized messages to individuals or groups, and access your workflow from any device.

**Highlights:** Use existing or new phone numbers, Organize inbox with sales funnel view, Automated responses and auto-replies, Contact management and CRM integrations, 1-1, group, and mass messaging, Templates and voicemail transcription, Browser and mobile app access

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

**In-app purchases:** none

**What reviewers like**

- 👍 Organizes texts like email
- 🚀 Efficient for business communication
- 💡 Automates common questions
- 👍 Easy to use interface
- 👍 Great for small businesses

**What reviewers complain about**

- 🐛 Mobile app is buggy
- 🐛 Website loads to white screen
- 🐛 App loads messages out of order
- 🐛 Threads don't load
- 🐛 Incorrect contact loading

**Reported bugs**

- Calls drop within seconds
- Line cuts out completely
- Website loads to a white screen
- App loads message threads out of order
- Tapping into a thread does not load any part of the conversation

**Requested features**

- Improve mobile app stability
- Fix website loading issues
- Ensure message threads load correctly
- Improve contact loading accuracy
- Fix push notification badge issues


## Frequently asked questions

### Is iTeleCenter free?

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

### Is String free?

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

### Which has better reviews, iTeleCenter or String?

iTeleCenter is rated higher. iTeleCenter averages 4.6 out of 5 from 139 ratings, while String averages 3.5 from 62 ratings.

### Do iTeleCenter or String have ads?

Neither iTeleCenter nor String shows ads.

### Which is updated more often, iTeleCenter or String?

iTeleCenter ships an update every 6 weeks, and String every 2 months. Most recently, iTeleCenter was updated on November 1, 2026 and String on November 2, 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.*