Comparison

ZIG SIM vs Stocksmith Forge

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

Head to head
About

ZIG SIM

This app allows physical prototyping by sending smartphone sensor data to other devices via UDP socket communication. It enables verification of wearable devices and IoT without electronic kits. Supports various sensors and communication protocols.

Highlights
  • Smartphone sensor data transmission
  • UDP socket communication
  • Wearable device verification
  • IoT prototyping
  • Supports OSC and JSON messaging
  • Adjustable communication rates (1-60 FPS)
Features
Read full description

ZIG SIM is an application for physical prototyping.   Stream mobile device sensor data to your computer in real time over a network, and connect to creative tools like Max/MSP, TouchDesigner, Processing, and   Unity via OSC protocol — enabling interactive experiences and rapid prototyping.   Supported Sensors & Features   Acceleration / Gravity / Gyro / Quaternion / Compass / Pressure / GPS / 2D Touch / Touch Radius / 3D Touch / Beacon / Proximity Monitor / Mic Level / Remote Control   ---   Need more sensors and advanced features? Upgrade to ZIG SIM PRO, which adds NDI output, ARKit, image detection, NFC, Apple Pencil support, and more.   ZIG SIM PRO: https://apps.apple.com/app/id1481556614

About

Stocksmith Forge

Read full description

Stocksmith Forge is the inventory and costing app for makers who turn 3D prints into sales. Track every spool, every part, every print — and know your real margin before you ship. INVENTORY • Filament, components, packaging — tracked in the right units • Stock alerts before you run out mid-print • NFC RFID scanning for tagged spools (Pro add-on) BOM COSTING • Bill of Materials per product • Material cost auto-calculated from your purchase history • Add labor, machine time, packaging as Cost Components (Pro) • Live cost price, margin and recommended sell price LISTINGS • Track Etsy, eBay and own-shop listings • Out-of-date warnings when costs change • Per-listing margin tracking FORGE (PRODUCTION) • Log each print or batch; stock decrements via BOM • Daily, weekly, monthly throughput REPORTS (Pro) • Inventory value, average margins, top materials • CSV export for accounting WORKS YOUR WAY • iCloud sync across iPhone, iPad and Mac • Locale-aware currency and numbers • Offline-first; no account required PRO UNLOCK Unlimited materials, products and listings; Reports; Cost Components; Backup. Lifetime or Yearly. NFC ADD-ON Read RFID tags on compatible spools. Privacy first: data stays in your iCloud. No tracking, no ads. By using this app, you agree to Apple's standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ZIG SIM4 screens
Stocksmith Forge4 screens

Verdict

The call

The clearest difference is in-app purchases: ZIG SIM at none against Stocksmith Forge's 4. ZIG SIM also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (13.0 vs 17.0). On price, ads 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. Stocksmith Forge sells 4 in-app purchases, starting at $0.99 per year. ZIG SIM asks for nothing beyond the download.

UpkeepUpdate frequency

ZIG SIM ships an update every 9 days, Stocksmith Forge every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
ZIG SIM versus Stocksmith Forge: the parameters behind the verdict, then further details
ParameterZIG SIMStocksmith Forge
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings7 — better—
Update frequencyEvery 9 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size4 MB23 MB
Age rating4+4+
Developer1-10, INC.Jelle Oostmeijer

In-app purchases

None

ZIG SIM

No in-app purchases

4 purchases

Stocksmith Forge

Subscriptions2
  • NFC Spool Scanning Yearly$0.991 Year
  • Stocksmith Pro Yearly$4.991 Year
One-time2
  • NFC Spool Scanning$7.99
  • Stocksmith Pro$59.99

Questions

Is ZIG SIM free?
ZIG SIM is free to download, with no in-app purchases.
Is Stocksmith Forge free?
Stocksmith Forge is free to download, with in-app purchases available.
Do ZIG SIM or Stocksmith Forge have ads?
Neither ZIG SIM nor Stocksmith Forge shows ads.
Which is updated more often, ZIG SIM or Stocksmith Forge?
ZIG SIM ships an update every 9 days, and Stocksmith Forge every 3 months. Most recently, ZIG SIM was updated on October 26, 2026 and Stocksmith Forge on October 25, 2026.

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