Comparison

Grid Masters vs Snap Draw Iso

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Grid Masters

This app simplifies architectural and structural drawing by generating precise grid line dimensions. It supports both imperial and metric units, allowing custom offsets for any construction job. Save time and money with accurate layouts and easily store or print your generated metrics.

Highlights
  • Generate grid line dimensions
  • Imperial and Metric support
  • Customizable offsets
  • Store jobs as PDF/PNG
  • Print generated metrics
  • Simplify construction layouts
Read full description

Grid Master simplifies architectural and structural drawings with ease. Grid Master makes working with grid lines off your architectural and structural drawings easy. Just input your dimensions and Grid Master will generate a metric so you can easily get dimensions from any grid line to any grid line you inputted. Grid Master works in lmperial and Metric dimensions, you also can customize to add in your own offsets if needed. Simplifying your lay out for any construction job. Saving you time and money. Grid Master will also store your jobs in PDF and PNG, having a reference f rom previous jobs at your fingertips tips. Grid Master will even print out your generated metric. Grid Master will speed production on layout and give you accurate dimensions with out the need for double checking. Use Grid Master for wall, electrical ,plumbing, HVAC all your needs for laying out easier when knowing dimensions at your fingertips.

About

Snap Draw Iso

Create isometric drawings with ease using a crosshair and snap sound for precise line connections. Customize grids, colors, and import/export various formats. Offers advanced features like bitmap brushes and gradient fills for detailed designs.

Highlights
  • Isometric and 2D grids
  • Customizable colors
  • Import/Export formats
  • Fill options (solid, gradient, pattern)
  • Large canvas with pan/zoom
  • Text and FX options
  • Bitmap and vector layer mixing
Features
Read full description

Snap Draw Iso makes drawing isometric images a snap. With a crosshair and snap sound effect, you will always be able to connect lines perfect and quickly. Some Features Include: - Traditional square 2-D grid or Isometric grid - Change background color, line colors, and grid colors - Import and Export various formats - Fill fill solid colors, custom gradients, or patterns for the library - Huge Canvas for detailed images with easy pan and zoom touch feature - Text and FX options - Draw with a bitmap brush and mix bitmap layer with vector layor - Zoom to pixel level for fine tuning - Share your drawings on social media or via email - Customizable drawing options

Screenshots

Grid Masters4 screens
Snap Draw Iso4 screens

Verdict

The call

The clearest difference is rating: Grid Masters at 5.0 against Snap Draw Iso's 4.0. Grid Masters also leads on ads (none vs shown). Snap Draw Iso's advantage is in-app purchases (none vs 2) and review sentiment (80% vs 50%). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Grid Masters sells 2 in-app purchases, starting at $19.99 per month. Snap Draw Iso asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Grid Masters holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 50% of Grid Masters's written reviews are positive against 80% of Snap Draw Iso's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Grid Masters ships an update every 4 months, Snap Draw Iso every 3 days. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

Scorecard8 real differences · 2 level
Grid Masters versus Snap Draw Iso: the parameters behind the verdict, then further details
ParameterGrid MastersSnap Draw Iso
PriceFreeFree
Rating5.0 (1 ratings) — better4.0 (4 ratings)
Positive reviews50.0% of reviews80.0% of reviews — better
Number of ratings14 — better
Update frequencyEvery 4 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size27 MB18 MB
Age rating4+4+
DeveloperPlatinum Framing Corpandrew bell

Customer experience

Grid Masters

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Snap Draw Iso

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

2 purchases

Grid Masters

Subscriptions2
  • Monthly Subscription$19.991 Month
  • Yearly Subscription$199.991 Year
None

Snap Draw Iso

No in-app purchases

Questions

Is Grid Masters free?
Grid Masters is free to download, with in-app purchases available.
Is Snap Draw Iso free?
Snap Draw Iso is free to download, with no in-app purchases.
Which has better reviews, Grid Masters or Snap Draw Iso?
Grid Masters is rated higher. Grid Masters averages 5.0 out of 5 from 1 ratings, while Snap Draw Iso averages 4.0 from 4 ratings.
Do Grid Masters or Snap Draw Iso have ads?
Snap Draw Iso shows ads; Grid Masters does not.
Which is updated more often, Grid Masters or Snap Draw Iso?
Grid Masters ships an update every 4 months, and Snap Draw Iso every 3 days. Most recently, Grid Masters was updated on June 1, 2026 and Snap Draw Iso on September 10, 2026.

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