Comparison

Ghidra vs Voca

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

Head to head
About

Ghidra

Features
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Ghidra - AAC: Every voice deserves to be heard. Empower communication with Ghidra, the intuitive AAC app designed for individuals with ASD, SEN, and complex communication needs. Created by a UK-based team with lived experience, Ghidra provides a powerful, customizable voiceβ€”without the "premium" price tag. Why Choose Ghidra? ---------------------- Simple: No subscriptions, no hidden fees, and no ads. No Data Collection. Ever. Privacy First: We collect zero user data. Your communication remains private and secure. Built for Ease: A minimalist, colourful UI designed to reduce frustration and speed up expression. Lifetime Updates: Download once and get every future feature and sound pack for free. Key Features: ---------------------- Sentence Builder: Easily construct complex thoughts in the text bar and speak them with one tap or separately! Full Customisation with Custom Buttons: Upload your own photos and record your own voice/sounds directly to your device. Emergency SOS: Nominate an emergency contact that the user can call instantly for peace of mind. Flexible Layouts: Customize your grid size and remove stock buttons to create a board that fits your unique needs. Smart Search: A brand-new search button to help users find specific icons in seconds. Fast & Reliable: Lightweight performance that works smoothly across iOS 17+ devices. ---------------------- Break down the communication barrier today. Give a child you know the voice they deserve.

About

Voca

Features
Read full description

Voca is a calm, beautiful communication companion for autistic and minimally verbal children β€” and the parents, carers and therapists who support them. Tap a card and Voca speaks. That's it. No clutter, no noise, no ads. MADE FOR EVERYDAY COMMUNICATION β€’ Nearly 100 beautifully illustrated cards across Talk, Body, Feelings, Food, Activities, People and Places β€’ Four communication stages β€” start with the essentials (yes, no, help) and unlock more vocabulary when your child is ready β€’ Sentence builder β€” tap a few cards, then speak the whole message together β€’ Professionally recorded card voices, with premium Apple voices as an alternative MAKE IT YOURS β€’ Add your own cards with real family photos β€” camera, photo library, or online image search β€’ Record your own voice for any card β€” a familiar voice can mean everything β€’ Or generate a natural spoken voice, entirely on the device β€’ Custom categories, favourites, and recent cards β€’ Voice Centre: choose the voice and speech speed that suits your child BUILT FOR FAMILIES β€’ Parent area protected by PIN β€’ Communication history so you can see what your child has been saying β€’ Optional touch-confirmation and haptics for children who need them β€’ App Lock and Guided Access support for distraction-free use β€’ Apple Watch app β€” send favourite cards to your child's wrist PRIVATE BY DESIGN β€’ No accounts, no ads, no analytics, no tracking β€” no data collected, full stop β€’ Works completely offline; speech is generated on the device β€’ Optional sync keeps your cards in your own private iCloud Voca is free. If it helps your family, an optional tip jar supports continued development. Let's find your voice.

Screenshots

Ghidra4 screens
Voca3 screens

Verdict

The call

The clearest difference is price: Voca at Free against Ghidra's $7.99. Voca also leads on update cadence (fortnightly vs every 5 weeks). Ghidra's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

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

Voca is free to download; Ghidra costs $7.99 up front. Voca sells 3 one-off in-app purchases. Ghidra asks for nothing beyond the download.

UpkeepUpdate frequency

Ghidra ships an update every 5 weeks, Voca fortnightly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard3 real differences Β· 3 level
Ghidra versus Voca: the parameters behind the verdict, then further details
ParameterGhidraVoca
Price$7.99Free β€” better
Update frequencyEvery 5 weeksFortnightly β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad, Apple Watch β€” better
Requires iOS17.017.0
Further details β€” not scored
Size89 MB37 MB
Age rating4+4+
DeveloperConnor Julian-GoldingSAUL JOHN SHINNER

In-app purchases

None

Ghidra

No in-app purchases

3 purchases

Voca

One-time3
  • Small Supporter$0.99
  • Big Supporter$4.99
  • Voca Champion$9.99

Questions

Is Ghidra free?
Ghidra costs $7.99, with no in-app purchases.
Is Voca free?
Voca is free to download, with in-app purchases available.
Do Ghidra or Voca have ads?
Neither Ghidra nor Voca shows ads.
Which is updated more often, Ghidra or Voca?
Ghidra ships an update every 5 weeks, and Voca fortnightly. Most recently, Ghidra was updated on October 31, 2026 and Voca on November 5, 2026.

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