# iTel Mobile Dialer. vs UNIVERGE ST500

The clearest difference is rating: iTel Mobile Dialer. at 3.6 against UNIVERGE ST500's 3.0. iTel Mobile Dialer. also leads on ratings volume (355 vs 9) and review sentiment (26% vs 13%). UNIVERGE ST500's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

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

iTel Mobile Dialer. holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: iTel Mobile Dialer. has 355 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 26% of iTel Mobile Dialer.'s written reviews are positive against 13% of UNIVERGE ST500's.

iTel Mobile Dialer. ships an update every 2 months, UNIVERGE ST500 every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iTel Mobile Dialer. | UNIVERGE ST500 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (355 ratings)](https://appshunter.io/ios/app/itel-mobile-dialer/id445338527/reviews)** | [3.0 (9 ratings)](https://appshunter.io/ios/app/univerge-st500/id1280247418/reviews) |
| Number of ratings | **355** | 9 |
| Positive reviews | **26.0% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 80 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REVE Systems (S) Pte. Ltd.](https://appshunter.io/developer/445338530) | [NEC Corporation](https://appshunter.io/developer/423274625) |

## What reviewers say

### iTel Mobile Dialer.

[App page](https://appshunter.io/ios/app/itel-mobile-dialer/id445338527)

This app enables VoIP calls and SMS over data networks like 3G/4G and WiFi. It also offers cross-platform instant messaging and simplified calling card usage. Users need an operator code from a VoIP service provider to use its features.

**Highlights:** VoIP Calls & SMSs, Cross-platform Instant Messaging, Automated Calling Card usage, Mobile Top Up facility, Easy Sign Up with Mobile Number, Buddy List creation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good app
- 🚀 Calls to India are perfect
- 💡 Great application and easy to use

**What reviewers complain about**

- 🐛 Not working, keeps crashing
- 🐛 Disconnects calls automatically
- 🐛 Bluetooth not working properly
- 🐛 Sound quality issues
- 🐛 Registration problems

**Reported bugs**

- Stuck on initializing
- Calls not connecting
- Frequent call drops
- Compatibility issues with iPhone 4s and older devices
- Crashes on iOS 6 and 10

**Requested features**

- Support for MMS
- Bluetooth headphone support
- Dark mode
- Better call quality


### UNIVERGE ST500

[App page](https://appshunter.io/ios/app/univerge-st500/id1280247418)

This app allows users to make and receive business calls from their mobile devices as if they were at their desk. It integrates with iOS contacts and offers various call management features, simplifying business communications and potentially reducing mobile call costs.

**Highlights:** Make and receive business calls from mobile, Integrates with iOS phone contacts, Call history grouped by contact, Hands-free and Bluetooth headset support, Video call capabilities, Security and encryption via TLS and SRTP, Voicemail access and message waiting indicator

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iTel Mobile Dialer. free?

iTel Mobile Dialer. is free to download, with no in-app purchases.

### Is UNIVERGE ST500 free?

UNIVERGE ST500 is free to download, with no in-app purchases.

### Which has better reviews, iTel Mobile Dialer. or UNIVERGE ST500?

iTel Mobile Dialer. is rated higher. iTel Mobile Dialer. averages 3.6 out of 5 from 355 ratings, while UNIVERGE ST500 averages 3.0 from 9 ratings.

### Do iTel Mobile Dialer. or UNIVERGE ST500 have ads?

iTel Mobile Dialer. shows ads; UNIVERGE ST500 does not.

### Which is updated more often, iTel Mobile Dialer. or UNIVERGE ST500?

iTel Mobile Dialer. ships an update every 2 months, and UNIVERGE ST500 every 3 months. Most recently, iTel Mobile Dialer. was updated on November 1, 2026 and UNIVERGE ST500 on November 3, 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.*