Comparison

Picture Grid Speech vs Isaac AAC

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

Head to head
About

Picture Grid Speech

Features
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Create a personal picture board for everyday communication. • Tap a card to hear its word or phrase with a device voice • Build a sentence by choosing cards, then speak it aloud • Organize vocabulary into nested categories • Create separate profiles with their own boards and settings • Add your own photos and edit card labels and spoken phrases • Keep editing and profile settings behind a parent gate Boards, profiles, and photos are saved on the device. Speech uses voices available on your device. No app account or online speech service is required.

About

Isaac AAC

This communication app uses voice synthesis, visual symbols, and AI-powered predictive text to help individuals with communication challenges express themselves. It aims to enhance independence and quality of life for users of all ages.

Highlights
  • Advanced voice synthesis
  • Intuitive visual symbols
  • AI-powered predictive text
  • Customizable communication platform
  • Supports independence and quality of life
Features
Read full description

Our breakthrough Augmentative and Alternative Communication app Isaac AAC transforms how individuals with communication challenges effectively and confidently express their thoughts. Designed with deep understanding of the needs of users, parents, speech therapists, educational institutions. Isaac AAC integrates advanced voice synthesis, intuitive visual symbols, and AI-powered predictive text algorithms, creating a seamless and customizable communication platform. Our goal is to open new possibilities for users of all ages, support their independence, and improve their quality of life. We present a solution that promotes inclusion and ensures every voice will be heard. Functions are available only with a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Picture Grid Speech1 screens
Isaac AAC4 screens

Verdict

The call

The clearest difference is in-app purchases: Picture Grid Speech at none against Isaac AAC's 2. Isaac AAC's advantage is update cadence (weekly vs every 26 months) and iOS requirement (14.0 vs 17.4). 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. Isaac AAC sells 2 in-app purchases, starting at $7.99 per month. Picture Grid Speech asks for nothing beyond the download.

UpkeepUpdate frequency

Picture Grid Speech ships an update every 26 months, Isaac AAC weekly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 6 level
Picture Grid Speech versus Isaac AAC: the parameters behind the verdict, then further details
ParameterPicture Grid SpeechIsaac AAC
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 26 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.414.0 — better
Further details — not scored
Size9 MB148 MB
Age rating4+4+
DeveloperNathan FennelAdrian Golian

In-app purchases

None

Picture Grid Speech

No in-app purchases

2 purchases

Isaac AAC

Subscriptions1
  • Monthly Subscription ISAAC$7.991 Month
One-time1
  • Isaac$4.99

Questions

Is Picture Grid Speech free?
Picture Grid Speech is free to download, with no in-app purchases.
Is Isaac AAC free?
Isaac AAC is free to download, with in-app purchases available.
Do Picture Grid Speech or Isaac AAC have ads?
Neither Picture Grid Speech nor Isaac AAC shows ads.
Which is updated more often, Picture Grid Speech or Isaac AAC?
Picture Grid Speech ships an update every 26 months, and Isaac AAC weekly. Most recently, Picture Grid Speech was updated on October 24, 2026 and Isaac AAC on October 24, 2026.

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