# Proto.io vs SyncOnSet 5.0

The clearest difference is rating: Proto.io at 3.7 against SyncOnSet 5.0's 1.7. Proto.io also leads on review sentiment (42% vs 3%) and monetization model (free vs ad-supported). SyncOnSet 5.0's advantage is update cadence (monthly vs every 4 months) and ratings volume (61 vs 6). On price, ads, 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.

Proto.io holds the better App Store score, 3.7 against 1.7. That said, the two scores are not equally well evidenced: SyncOnSet 5.0 has 61 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 42% of Proto.io's written reviews are positive against 3% of SyncOnSet 5.0's.

Proto.io ships an update every 4 months, SyncOnSet 5.0 monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Proto.io | SyncOnSet 5.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/protoio/id854504039/reviews)** | [1.7 (61 ratings)](https://appshunter.io/ios/app/synconset-50/id1460160860/reviews) |
| Number of ratings | 6 | **61** |
| Positive reviews | **41.9% of reviews** | 2.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 34 MB | 43 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Proto.io](https://appshunter.io/developer/854504042) | [wymsee Inc.](https://appshunter.io/developer/548827304) |

## What reviewers say

### Proto.io

[App page](https://appshunter.io/ios/app/protoio/id854504039)

This application allows users to preview and interact with their Proto.io projects on any device. It supports native touch gestures for a realistic prototyping experience and offers offline viewing of cached projects. Users can also record and share their prototype interactions.

**Highlights:** Preview shared Proto.io projects, Access all projects from your account, Full-screen prototype viewing, Interact with native touch gestures, Preview on any device/screen size, Offline viewing of cached projects, Record and share prototype interactions

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use for prototyping
- 🚀 Powerful features for prototyping
- 💡 Makes prototyping simple and quick
- ✨ Responsive and easy to use prototype
- 🔄 Live updates from computer to phone

**What reviewers complain about**

- 🐛 Can't login
- 🐛 Difficult to delete account
- 🐛 Share link issues
- 🐛 Login issues
- 🐛 Bad app

**Reported bugs**

- Can't login
- Difficult to delete account
- Share link issues
- Login issues
- Cannot sign up or sign in

**Requested features**

- Update UI elements for iOS 13
- Caching projects
- Optimise application for iPhone 6 screen
- Easily switch between accounts like Tweetbot


### SyncOnSet 5.0

[App page](https://appshunter.io/ios/app/synconset-50/id1460160860)

This Emmy Award-winning tool streamlines TV and film production for creative departments. It digitally manages script breakdowns, continuity photos, inventory, and approvals from prep to wrap, optimizing workflows and communication.

**Highlights:** Digital script breakdowns, Continuity photo management, Inventory tracking, Approvals and notes, Department-specific workflows, Pre-production to wrap management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Industry leader
- 👍 Saves time and paper
- 👍 Great for department-wide visibility
- 👍 Easy for anyone to learn
- 👍 Art and makeup can use it too

**What reviewers complain about**

- 👎 Quality going down
- 👎 Price going up
- 👎 Nothing gets fixed
- 👎 Bane of existence
- 👎 NFG POS

**Reported bugs**

- App crashes
- Photos take forever to upload
- App never loads
- Multi-factor ID issues
- Frequent logouts

**Requested features**

- Bring back the old app
- Improve desktop tagging
- Better/simpler fitting info view
- Label continuity photos
- Make app more efficient


## Frequently asked questions

### Is Proto.io free?

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

### Is SyncOnSet 5.0 free?

SyncOnSet 5.0 is free to download, with no in-app purchases.

### Which has better reviews, Proto.io or SyncOnSet 5.0?

Proto.io is rated higher. Proto.io averages 3.7 out of 5 from 6 ratings, while SyncOnSet 5.0 averages 1.7 from 61 ratings.

### Do Proto.io or SyncOnSet 5.0 have ads?

Neither Proto.io nor SyncOnSet 5.0 shows ads.

### Which is updated more often, Proto.io or SyncOnSet 5.0?

Proto.io ships an update every 4 months, and SyncOnSet 5.0 monthly. Most recently, Proto.io was updated on October 23, 2026 and SyncOnSet 5.0 on October 24, 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.*