Comparison

FieldSketch vs PDExact

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

Head to head
About

FieldSketch

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Survey and draft β€” all by yourself. The site inspection app built for architects. β–  No more two-person tape measure walks FieldSketch uses your iPhone's motion sensors to measure distances as you walk. Aim the crosshair, tap to drop a pin. One site in 10 minutes, calibration included. No need to book an assistant. β–  CAD drawings straight from the field Export as DXF (R12) β€” opens directly in Jw_cad and other CAD software. Register a cadastral PDF in advance and the app automatically merges it with your field data. β–  Everything captured in one place Photos are taken automatically at each measurement point. Record video while you measure to document the site. Points, distances, and photos compiled into a PDF report β€” ready for same-day delivery. β–  4 simple steps Calibration β†’ Site boundary β†’ Surroundings (gutters, roads) β†’ Landmarks (manholes, etc.). Guided workflow. Easy to undo and redo. β–  Accuracy Approx. 3 cm error over 30 m (verified on device). No LiDAR required β€” works on any iPhone. A 3-point calibration at the start improves accuracy further. β€» Designed for site reconnaissance and planning. Not intended for legal boundary surveys. β–  Pricing Measurement, photos, video, and PDF export are free forever. CAD (DXF) and CSV export require a Premium plan (monthly / lifetime). Try all features free for 14 days. Terms of Use (EULA) By downloading or using this app, you agree to Apple’s standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PDExact

Features
Read full description

PDExact: PD Measure. On-device only. No ads. No subscription. Pay once for unlimited use.

Screenshots

FieldSketch4 screens
PDExact4 screens

Verdict

The call

FieldSketch and PDExact are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. FieldSketch sells 3 in-app purchases, starting at $24.99 per month and PDExact sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FieldSketch ships an update weekly, PDExact every 5 days. The most recent releases landed on September 17, 2026 and August 10, 2026 respectively.

ScorecardNo meaningful differences
FieldSketch versus PDExact: the parameters behind the verdict, then further details
ParameterFieldSketchPDExact
PriceFreeFree
Update frequencyWeeklyEvery 5 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.016.0 β€” better
Further details β€” not scored
Size12 MB1 MB
Age rating4+4+
Developerryota kidoJhomar Maravillas

In-app purchases

3 purchases

FieldSketch

Subscriptions1
  • com.ryota.FieldSketch.monthly$24.991 Month
One-time2
  • com.ryota.FieldSketch.prooffer$279.99
  • com.ryota.FieldSketch.pro$349.99
1 purchases

PDExact

One-time1
  • Unlock Unlimited$4.99

Questions

Is FieldSketch free?
FieldSketch is free to download, with in-app purchases available.
Is PDExact free?
PDExact is free to download, with in-app purchases available.
Do FieldSketch or PDExact have ads?
Neither FieldSketch nor PDExact shows ads.
Which is updated more often, FieldSketch or PDExact?
FieldSketch ships an update weekly, and PDExact every 5 days. Most recently, FieldSketch was updated on September 17, 2026 and PDExact on August 10, 2026.

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