# Plot Digitizer vs Directional Well Survey

The clearest difference is price: Plot Digitizer at $3.99 against Directional Well Survey's $14.99. Plot Digitizer also leads on update cadence (every 3 days vs every 18 months). Directional Well Survey's advantage is iOS requirement (11.0 vs 14.1). On ads, in-app purchases and device support there is nothing between them.

Plot Digitizer costs $3.99 and Directional Well Survey $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Plot Digitizer ships an update every 3 days, Directional Well Survey every 18 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Plot Digitizer | Directional Well Survey |
| --- | --- | --- |
| Price | **$3.99** | $14.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/plot-digitizer/id1497211648/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 18 months |
| Monetization | Paid | — |
| Size | 44 MB | 10 MB |
| Requires iOS | 14.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Medeiros](https://appshunter.io/developer/1091004600) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### Plot Digitizer

[App page](https://appshunter.io/ios/app/plot-digitizer/id1497211648)

Extract numerical data from 2D plot images. Easily obtain X and Y coordinates from scanned graphs or photos, allowing you to view, export, or share the digitized information.

**Highlights:** Extract data from plot images, Crop and align plots, Set X and Y axes anchor points, Digitize data series, Label data series, Export digitized data, View fitted equations

**Features:** macOS Compatibility

**In-app purchases:** none


### Directional Well Survey

[App page](https://appshunter.io/ios/app/directional-well-survey/id1667536699)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plot Digitizer free?

Plot Digitizer costs $3.99, with no in-app purchases.

### Is Directional Well Survey free?

Directional Well Survey costs $14.99, with no in-app purchases.

### Do Plot Digitizer or Directional Well Survey have ads?

Neither Plot Digitizer nor Directional Well Survey shows ads.

### Which is updated more often, Plot Digitizer or Directional Well Survey?

Plot Digitizer ships an update every 3 days, and Directional Well Survey every 18 months. Most recently, Plot Digitizer was updated on October 24, 2026 and Directional Well Survey on October 22, 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.*