# D vs System Surveyor 2.0

The clearest difference is device support: System Surveyor 2.0 at 3 against D's 1. D's advantage is iOS requirement (8.0 vs 15.0). 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.

D ships an update every 2 months, System Surveyor 2.0 monthly. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | D | System Surveyor 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (15 ratings)](https://appshunter.io/ios/app/system-surveyor-20/id6444457673/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 44 MB | 106 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D-Tools](https://appshunter.io/developer/874328080) | [System Surveyor, Inc.](https://appshunter.io/developer/971956739) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-tools-mobile-quote-20/id1315053907)

**Features:** macOS Compatibility

**In-app purchases:** none


### System Surveyor 2.0

[App page](https://appshunter.io/ios/app/system-surveyor-20/id6444457673)

Design and plan physical security systems with this app. Upload floor plans, add device icons with coverage areas, capture photos, and automate a bill of materials. Collaborate with others and generate professional reports without paper.

**Highlights:** Upload floor plans or use Google Maps, Drag-and-drop security device icons, Capture photos and associate with elements, Automate bill of materials, Real-time collaboration, Offline mode for field use, Generate professional PDF reports

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is System Surveyor 2.0 free?

System Surveyor 2.0 is free to download, with no in-app purchases.

### Do D or System Surveyor 2.0 have ads?

Neither D nor System Surveyor 2.0 shows ads.

### Which is updated more often, D or System Surveyor 2.0?

D ships an update every 2 months, and System Surveyor 2.0 monthly. Most recently, D was updated on November 4, 2026 and System Surveyor 2.0 on November 7, 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.*