# RIDGID Sketch vs Graph Calc Plus

The clearest difference is price: RIDGID Sketch at Free against Graph Calc Plus's $2.99. RIDGID Sketch also leads on update cadence (every 3 months vs every 39 months). Graph Calc Plus's advantage is iOS requirement (14.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

RIDGID Sketch is free to download; Graph Calc Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RIDGID Sketch ships an update every 3 months, Graph Calc Plus every 39 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RIDGID Sketch | Graph Calc Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/ridgid-sketch/id778548899/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 39 months |
| Monetization | Free | — |
| Size | 37 MB | 1 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RIDGID Software Solutions](https://appshunter.io/developer/444491225) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### RIDGID Sketch

[App page](https://appshunter.io/ios/app/ridgid-sketch/id778548899)

Create precise project plans and annotate measurements directly onto photos. This tool can be used independently or paired with a laser distance meter for accurate data capture.

**Highlights:** Measurement calculation, Project planning, Photo annotation, Bluetooth connectivity, Drawing mode, Photo overlay mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Graph Calc Plus

[App page](https://appshunter.io/ios/app/graph-calc-plus/id1612916130)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RIDGID Sketch free?

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

### Is Graph Calc Plus free?

Graph Calc Plus costs $2.99, with no in-app purchases.

### Do RIDGID Sketch or Graph Calc Plus have ads?

Neither RIDGID Sketch nor Graph Calc Plus shows ads.

### Which is updated more often, RIDGID Sketch or Graph Calc Plus?

RIDGID Sketch ships an update every 3 months, and Graph Calc Plus every 39 months. Most recently, RIDGID Sketch was updated on October 14, 2026 and Graph Calc Plus on October 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.*