Comparison

VoxigoAAC vs Thread Gauge

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

Head to head
About

VoxigoAAC

This app empowers nonverbal and neurodivergent children to communicate using an AI-powered AAC grid. It offers customizable buttons, AI-driven sentence suggestions, and a unique feelings activity page with coping strategies. Admins can personalize each child's experience and track progress through an AI chatbot.

Highlights
  • AI-powered AAC grid
  • Customizable buttons
  • Gemini-based sentence suggestions
  • Feelings activity page with coping strategies
  • Admin dashboard for personalization
  • VoxiBot AI chatbot for insights
Features
Read full description

Voxigo assists nonverbal and neurodivergent children with a range of tools to simplify communication. The app features an AI-powered AAC grid with customizable buttons and Gemini-based sentence suggestions, helping kids construct sentences. A unique feelings activity page helps children manage and communicate emotions, with recommended coping strategies, like listening to music. Admins, including parents and teachers, can personalize each child's experience through a flexible admin dashboard, control features for each child app, and access insights via VoxiBot, an AI chatbot. Voxigo supports many-to-many admin-child connections, making it ideal for special needs classrooms or home use, all while ensuring a seamless, responsive experience. We use email to authenticate users for secure login, and the email is also used for password resets and verification. This ensures a safe and simple process for accessing the platform and managing your account.

About

Thread Gauge

This app transforms your iPhone into a precise thread measurement tool. Simply photograph a screw next to a reference card to accurately determine its pitch and diameter, identifying the closest standard in both metric and imperial units.

Highlights
  • Measures metric and imperial threads
  • Identifies closest standard match
  • Uses reference card for scale
  • On-screen guidance for photography
  • Offline processing, no data tracking
Features
Read full description

Thread Gauge turns your iPhone into a precision thread gauge. Photograph a screw next to a common reference card, and it measures the thread's pitch and diameter, then identifies the closest matching standard — in both metric and imperial. No calipers, no thread gauge set, no guesswork. Just a photo. HOW IT WORKS Lay the screw on a plain background, parallel to a reference card: a credit or ID card (85.6 mm) or a full-size SD card. Use the light intensity slider to apply enough light to minimize shadows around the screw. Use the bubble level to find the best lighting angle — a green dot inside the circle is ideal. Move your phone closer or farther to get the sharpest focus; the sharper the image, the more precise your measurement. Snap a photo or pick one from your library, choose which card you used, and tap Measure. ThreadGauge uses the card as a known scale to compute the real-world thread pitch and major diameter. It all runs on your device — no server, no account, no tracking. Nothing you photograph ever leaves your iPhone. WHAT IT IDENTIFIES - Metric coarse and fine (M-series) - Imperial UNC and UNF - Thread pitch (mm and TPI) and major diameter - The closest standard match, with a confidence indicator When two standards are nearly identical — for example, a #10-32 and M5×0.8 — Thread Gauge flags the ambiguity so you can confirm with a physical gauge instead of trusting a borderline read. FEATURES - Metric and imperial in one tool - Tap to look up any identified size online - On-screen guidance for lighting, angle, and framing - Made for makers, machinists, mechanics, and anyone holding a mystery bolt PRICING Your first 3 measurements are free. One simple in-app purchase unlocks unlimited measurements — no subscription, ever. PRIVACY Thread Gauge collects no personal data, and your photos stay on your device. Questions or feedback? Email imad.naqqash@gmail.com

Screenshots

VoxigoAAC4 screens
Thread Gauge4 screens

Verdict

The call

The clearest difference is monetization model: VoxigoAAC at free against Thread Gauge's free with in-app purchases. VoxigoAAC also leads on device support (3 vs 1) and ratings volume (7 vs 2). On price, rating, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for VoxigoAAC against 5.0 for Thread Gauge. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Scorecard4 real differences · 6 level
VoxigoAAC versus Thread Gauge: the parameters behind the verdict, then further details
ParameterVoxigoAACThread Gauge
PriceFreeFree
Rating5.0 (7 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings7 — better2
Update frequency—Every 6 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.6
Further details — not scored
Size106 MB4 MB
Age rating4+4+
DeveloperVandana TayalImad Jawad

Customer experience

VoxigoAAC

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Thread Gauge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VoxigoAAC

No in-app purchases

None

Thread Gauge

No in-app purchases

Questions

Is VoxigoAAC free?
VoxigoAAC is free to download, with no in-app purchases.
Is Thread Gauge free?
Thread Gauge is free to download, with no in-app purchases.
Which has better reviews, VoxigoAAC or Thread Gauge?
VoxigoAAC and Thread Gauge are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.
Do VoxigoAAC or Thread Gauge have ads?
Neither VoxigoAAC nor Thread Gauge shows ads.

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