Comparison

ActoGraph vs WD Soundforce

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

Head to head

About

ActoGraph

Features

Read full description

ActoGraph Mobile helps you observe and document human activity in the field. Create a chronicle, organize your observation protocol, and record events as they happen. • Create categories and observable behaviors for your study. • Record time-stamped entries with a timer. • Browse, search, and comment on your entries. • Explore the sequence of events on an activity graph. • Import chronicles in .chronic and .jchronic formats. The app is free and works offline. You do not need an account to observe: chronicles are stored on your device. You can optionally sign in to the ActoGraph cloud to exchange chronicles. The app interface is currently in French.

About

WD Soundforce

Features

Read full description

WD Soundforce offers a full real-time control of ACOEM dosimeters with the ability to download, view, report and share data. * Supports W/D-730 and WD-730IS dosimeters and allows : * Full configuration of WD-730 dosimeters * Real-time viewing of all WD-730 dosimeter parameters displaying the file list and download data files * Viewing the contents of the data files in table and graph form

Screenshots

ActoGraph4 screens

WD Soundforce3 screens

Verdict

The call

The clearest difference is update cadence: WD Soundforce at every 21 months against ActoGraph's every 54 months. WD Soundforce also leads on iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ActoGraph ships an update every 54 months, WD Soundforce every 21 months. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard2 real differences · 4 level

ActoGraph versus WD Soundforce: the parameters behind the verdict, then further details
Parameter	ActoGraph	WD Soundforce
Price	Free	Free
Update frequency	Every 54 months	Every 21 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0	8.0 — better
Further details — not scored
Size	11 MB	261 MB
Age rating	4+	4+
Developer	SymAlgo Technologies	ACOEM Group

In-app purchases

None

ActoGraph

No in-app purchases

None

WD Soundforce

No in-app purchases

Questions

Is ActoGraph free?

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

Is WD Soundforce free?

WD Soundforce is free to download, with no in-app purchases.

Do ActoGraph or WD Soundforce have ads?

Neither ActoGraph nor WD Soundforce shows ads.

Which is updated more often, ActoGraph or WD Soundforce?

ActoGraph ships an update every 54 months, and WD Soundforce every 21 months. Most recently, ActoGraph was updated on October 20, 2026 and WD Soundforce on October 17, 2026.