# String vs Telefeo

The clearest difference is rating: Telefeo at 4.3 against String's 3.5. Telefeo also leads on review sentiment (85% vs 69%) and update cadence (every 3 weeks vs every 2 months). String's advantage is ratings volume (62 vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Telefeo holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 62 and 15 respectively. Written reviews point the same way: 69% of String's written reviews are positive against 85% of Telefeo's.

String ships an update every 2 months, Telefeo every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | String | Telefeo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (62 ratings)](https://appshunter.io/ios/app/string-modern-phone-inbox/id1445655431/reviews) | **[4.3 (15 ratings)](https://appshunter.io/ios/app/telefeo-second-number-plus-esim/id1565288497/reviews)** |
| Number of ratings | **62** | 15 |
| Positive reviews | 68.6% of reviews | **85.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 68 MB | 93 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NumberBarn, LLC](https://appshunter.io/developer/1031383867) | [Tech Wireless Ltd.](https://appshunter.io/developer/1565288500) |

## What reviewers say

### 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


### Telefeo

[App page](https://appshunter.io/ios/app/telefeo-second-number-plus-esim/id1565288497)

This app provides free app-to-app texting with end-to-end encryption and offers eSIM plans for mobile data in over 220 destinations. Purchase and activate digital SIMs for instant internet access worldwide.

**Highlights:** Free app-to-app texts, Digital eSIM for mobile data, Instant messaging, Prepaid internet plans, 5G/4G LTE high-speed data, End-to-end encryption

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

**In-app purchases:** none


## Frequently asked questions

### Is String free?

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

### Is Telefeo free?

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

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

Telefeo is rated higher. String averages 3.5 out of 5 from 62 ratings, while Telefeo averages 4.3 from 15 ratings.

### Do String or Telefeo have ads?

Neither String nor Telefeo shows ads.

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

String ships an update every 2 months, and Telefeo every 3 weeks. Most recently, String was updated on November 2, 2026 and Telefeo 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.*