# SolidInsight vs C2ME Sentinel

The clearest difference is in-app purchases: C2ME Sentinel at none against SolidInsight's 3. SolidInsight's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SolidInsight sells 3 in-app purchases, starting at $46.99 per year. C2ME Sentinel asks for nothing beyond the download.

SolidInsight ships an update every 5 weeks, C2ME Sentinel every 2 months. The most recent releases landed on August 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SolidInsight | C2ME Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/solidinsight/id1601944650/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 258 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHANDONG HOTEAM SOFTWARE CO., LTD.](https://appshunter.io/developer/954963043) | [Connect2ME](https://appshunter.io/developer/1172655477) |

## What reviewers say

### SolidInsight

[App page](https://appshunter.io/ios/app/solidinsight/id1601944650)

View and collaborate on 2D and 3D CAD files on your mobile device without needing expensive desktop software. Measure designs, access properties, and share feedback instantly.

**Highlights:** Supports major 2D/3D CAD formats, View models and drawings on mobile, Measure design dimensions, Access design properties, Markup and share comments, Isolate/hide components, Browse assembly tree

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Annual Subscription | $46.99 | per year |
| Premium Annual Subscription | $94.99 | per year |
| Unlock features in a design | $0.99 | one-time |


### C2ME Sentinel

[App page](https://appshunter.io/ios/app/c2me-sentinel/id6759701952)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolidInsight free?

SolidInsight is free to download, with in-app purchases available.

### Is C2ME Sentinel free?

C2ME Sentinel is free to download, with no in-app purchases.

### Do SolidInsight or C2ME Sentinel have ads?

Neither SolidInsight nor C2ME Sentinel shows ads.

### Which is updated more often, SolidInsight or C2ME Sentinel?

SolidInsight ships an update every 5 weeks, and C2ME Sentinel every 2 months. Most recently, SolidInsight was updated on August 15, 2026 and C2ME Sentinel on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*