# UNIVERGE ST500 vs Grandstream Wave

The clearest difference is rating: UNIVERGE ST500 at 3.0 against Grandstream Wave's 2.6. Grandstream Wave's advantage is update cadence (every 5 weeks vs every 3 months) and ratings volume (51 vs 9). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

UNIVERGE ST500 holds the better App Store score, 3.0 against 2.6. That said, the two scores are not equally well evidenced: Grandstream Wave has 51 ratings behind it against 9, so its average is the more settled of the two. Written reviews split almost evenly too, at 13% and 12% positive.

UNIVERGE ST500 ships an update every 3 months, Grandstream Wave every 5 weeks. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UNIVERGE ST500 | Grandstream Wave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (9 ratings)](https://appshunter.io/ios/app/univerge-st500/id1280247418/reviews)** | [2.6 (51 ratings)](https://appshunter.io/ios/app/grandstream-wave/id1523254549/reviews) |
| Number of ratings | 9 | **51** |
| Positive reviews | **12.5% of reviews** | 12.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 80 MB | 116 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEC Corporation](https://appshunter.io/developer/423274625) | [Grandstream](https://appshunter.io/developer/951547763) |

## What reviewers say

### 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


### Grandstream Wave

[App page](https://appshunter.io/ios/app/grandstream-wave/id1523254549)

This app transforms your device into a powerful softphone, enabling high-quality audio and video calls, and seamless meeting participation. Connect to your IP PBX system to call extensions, landlines, and mobile numbers from anywhere with a network connection.

**Highlights:** High-quality audio and video calls, Schedule and attend meetings, Join meetings without logging in, Connect to UCM63XX series IP PBX, Call extensions, landlines, and mobiles, Create and join meetings

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

**In-app purchases:** none


## Frequently asked questions

### Is UNIVERGE ST500 free?

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

### Is Grandstream Wave free?

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

### Which has better reviews, UNIVERGE ST500 or Grandstream Wave?

UNIVERGE ST500 is rated higher. UNIVERGE ST500 averages 3.0 out of 5 from 9 ratings, while Grandstream Wave averages 2.6 from 51 ratings.

### Do UNIVERGE ST500 or Grandstream Wave have ads?

Neither UNIVERGE ST500 nor Grandstream Wave shows ads.

### Which is updated more often, UNIVERGE ST500 or Grandstream Wave?

UNIVERGE ST500 ships an update every 3 months, and Grandstream Wave every 5 weeks. Most recently, UNIVERGE ST500 was updated on October 20, 2026 and Grandstream Wave on October 30, 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.*