# Proof vs Zentium App

The clearest difference is review sentiment: Zentium App at 100% against Proof's 52%. Zentium App also leads on rating (5.0 vs 4.5). Proof's advantage is ratings volume (656 vs 6). On price, update cadence, 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.

Zentium App holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Proof has 656 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 52% of Proof's written reviews are positive against 100% of Zentium App's.

Proof ships an update every 4 weeks, Zentium App every 5 weeks. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Proof | Zentium App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (656 ratings)](https://appshunter.io/ios/app/proof-process-server/id1322698675/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/zentium-app/id6744942716/reviews)** |
| Number of ratings | **656** | 6 |
| Positive reviews | 52.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 173 MB | 45 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Proof Technology, Inc.](https://appshunter.io/developer/1322698674) | [TesselMed](https://appshunter.io/developer/1477695428) |

## What reviewers say

### Proof

[App page](https://appshunter.io/ios/app/proof-process-server/id1322698675)

This app streamlines the process serving workflow for professionals. It offers intuitive submission, real-time tracking, secure document management, and direct communication with clients. Designed for efficiency and compliance, it helps users serve documents accurately and faster.

**Highlights:** Streamlined serve attempt submissions, Enhanced visibility of special requirements, State law integration and reminders, Real-time job tracking, Secure document management, Instant notifications, Seamless client communication

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Game-changer for workflow
- 👍 Easy to navigate and use
- ✅ Organized assignments and clear communication
- 💯 Professional and accurate
- 🚀 Efficient workflow

**What reviewers complain about**

- 🐌 Slow loading times
- 🐛 App crashes frequently
- ⚠️ Offline updates removed
- ❌ Poor job instructions and hidden fees
- 📉 Declining pay and fewer jobs

**Reported bugs**

- App loads too slow
- App crashes instantly or shows black/white screen
- App requires location services even when enabled
- App doesn't allow recording attempts
- App shows partial client details and won't scroll

**Requested features**

- Route plans for servers
- More organized job listings
- Ability to log in on multiple phones
- Automatic serve acceptance within a mile limit
- Group status updates


### Zentium App

[App page](https://appshunter.io/ios/app/zentium-app/id6744942716)

This app simplifies healthcare scheduling for both administrators and providers. It allows for real-time shift posting, assignment management, and easy shift picking, swapping, or time-off requests. The intuitive design aims to reduce stress and improve team connectivity.

**Highlights:** Real-time shift posting, Assignment management, Shift picking and swapping, Time-off requests, Provider schedule viewing, Team connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is Proof free?

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

### Is Zentium App free?

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

### Which has better reviews, Proof or Zentium App?

Zentium App is rated higher. Proof averages 4.5 out of 5 from 656 ratings, while Zentium App averages 5.0 from 6 ratings.

### Do Proof or Zentium App have ads?

Neither Proof nor Zentium App shows ads.

### Which is updated more often, Proof or Zentium App?

Proof ships an update every 4 weeks, and Zentium App every 5 weeks. Most recently, Proof was updated on October 11, 2026 and Zentium App on October 5, 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.*