# Fast Chart vs SizeSnap

The clearest difference is ads: Fast Chart at none against SizeSnap's shown. Fast Chart also leads on iOS requirement (13.0 vs 15). SizeSnap's advantage is rating (4.9 vs 4.5) and monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Fast Chart sells 3 in-app purchases, starting at $2.99 per month and SizeSnap sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SizeSnap holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 89 and 98 respectively. Written reviews point the same way: 80% of Fast Chart's written reviews are positive against 89% of SizeSnap's.

Fast Chart ships an update every 10 days, SizeSnap weekly. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Fast Chart | SizeSnap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (89 ratings)](https://appshunter.io/ios/app/fast-chart-chart-maker-plus/id1611358648/reviews) | **[4.9 (98 ratings)](https://appshunter.io/ios/app/sizesnap-markup-measurements/id1668527468/reviews)** |
| Number of ratings | 89 | **98** |
| Positive reviews | 80.0% of reviews | **88.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 45 MB | 73 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [朝勇 陈](https://appshunter.io/developer/1610981366) | [丽佩 章](https://appshunter.io/developer/1638737677) |

## What reviewers say

### Fast Chart

[App page](https://appshunter.io/ios/app/fast-chart-chart-maker-plus/id1611358648)

Effortlessly create stunning charts and insightful dashboards from your phone. This app transforms raw data into compelling visual stories with a rich library of chart types and a drag-and-drop dashboard builder.

**Highlights:** Create stunning charts with ease, Rich chart library (Pie, Bar, Line, Sankey, etc.), Deep chart customization, Build comprehensive dashboards, Drag-and-drop interface for dashboards, Professional dashboard templates

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the APP (Mothly) | $2.99 | per month |
| Unlock the APP (Yearly) | $12.99 | per year |
| Unlock the APP (Lifetime) | $19.99 | one-time |

**What reviewers like**

- 👍 Easy to use and user-friendly
- ✨ Creates aesthetically pleasing charts
- 🚀 Fast and efficient
- 💡 Feature-rich and customizable
- 💰 Free to use with no ads or paywalls (for some users)

**What reviewers complain about**

- 💰 Significant paywalls and paid features
- 🐛 Recent update caused issues with chart visibility
- 💡 No dark mode option
- 🐛 Interface issues on specific devices (e.g., iPhone 11)
- 🐛 App crashes when adding data to pie charts

**Reported bugs**

- Recent update removed chart visibility from the main page
- Confirm button is hidden behind status bar on iPhone 11
- App crashes when adding data to pie charts
- Lagging/frame drops during use
- Keyboard display area shows blank space after exiting and re-entering the app

**Requested features**

- Add map functionality
- Add Sankey diagrams
- Allow multiple pie charts on one panel for comparison
- Add ability to adjust vertical axis spacing in line charts
- Display chart data titles in a clickable format to hide/show specific lines


### SizeSnap

[App page](https://appshunter.io/ios/app/sizesnap-markup-measurements/id1668527468)

Easily add dimension lines, text, and annotations to your images. This tool is ideal for interior design, construction, and e-commerce product detailing, offering extensive customization for your markings.

**Highlights:** Mark dimensions and text on images, Batch import and export, Export to PDF, JPG, and zip, Folder management, Multiple labeling styles, Customizable line width, color, font, Magnifying glass for accurate marking

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SizeSnap Premium | $2.99 | per month |
| SizeSnap Premium | $2.99 | per month |
| SizeSnap Premium | $17.99 | per year |
| SizeSnap Premium | $24.99 | per year |
| SizeSnap Premium | $29.99 | per year |
| SizeSnap Premium | $29.99 | per year |


## Frequently asked questions

### Is Fast Chart free?

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

### Is SizeSnap free?

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

### Which has better reviews, Fast Chart or SizeSnap?

SizeSnap is rated higher. Fast Chart averages 4.5 out of 5 from 89 ratings, while SizeSnap averages 4.9 from 98 ratings.

### Do Fast Chart or SizeSnap have ads?

SizeSnap shows ads; Fast Chart does not.

### Which is updated more often, Fast Chart or SizeSnap?

Fast Chart ships an update every 10 days, and SizeSnap weekly. Most recently, Fast Chart was updated on September 23, 2026 and SizeSnap on September 25, 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.*