EESpeech Chat vs Isaac AAC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EESpeech Chat
This communication aid app helps individuals with speech difficulties express themselves. It offers a chat function, cloud backup, multi-language support, and customizable buttons. Premium membership unlocks unlimited features and content.
- Chat function for sending/receiving messages
- Cloud backup for buttons
- Multi-language support with human voices
- Personalize buttons with media
- Pre-loaded communication boards
- Premium membership for unlimited access
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The best AAC app with an easy installation on your iPhone or iPad, opening your world to your family, friends and everyone. It allows the patient to chat with the family and SLPs. This application is specifically designed to meet the communication needs for people who have difficulty communicating (i.e, Aphasia, Dysarthria, Apraxia and Autism). Highlighted features: - Chat function available. Communication buttons can be sent or received between users. - Use the Cloud technology to backup all buttons. Users can access their icons from any Apple or other devices. - Support multiple languages with natural human voices. - Easy to personalize the buttons with photo, voice & video. - Pre-loaded communication broads available. Join our Premium Membership which will give you access to all of our premium content with Unlimited EESpeech Buttons, Unlimited Chat message to your contacts & Download all the EESpeech Pre-defined Buttons. Our Premium Membership provides monthly subscription ($ 3.99 / Month) & yearly ($ 39.99 / Year) subscription for your convenience. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by you and auto-renewal may be turned off by going to the user's Account Settings after purchase. Both Monthly and Yearly subscriptions have a week free trial period Please click the link below for the EESpeech AAC terms of use before you download the app. http://www.eespeech.com/EESpeechTermUse.htm
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.
- Advanced voice synthesis
- Intuitive visual symbols
- AI-powered predictive text
- Customizable communication platform
- Supports independence and quality of life
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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
Verdict
The clearest difference is rating: Isaac AAC at 5.0 against EESpeech Chat's 4.3. Isaac AAC also leads on update cadence (weekly vs every 3 months). EESpeech Chat's advantage is monetization model (freemium vs subscription) and ratings volume (10 vs 1). 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
Both are free to download. EESpeech Chat sells 2 in-app purchases, starting at $3.99 per month and Isaac AAC sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
Isaac AAC holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: EESpeech Chat has 10 ratings behind it against 1, so its average is the more settled of the two.
EESpeech Chat ships an update every 3 months, Isaac AAC weekly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.
| Parameter | EESpeech Chat | Isaac AAC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 14.0 |
| Further details — not scored | ||
| Size | 29 MB | 148 MB |
| Age rating | 4+ | 4+ |
| Developer | Elite Express Solutions Inc. | Adrian Golian |
Customer experience
EESpeech Chat
Isaac AAC
In-app purchases
EESpeech Chat
- Premium Membership7 Days trial$3.991 Month
- Premium Membership7 Days trial$39.991 Year
Isaac AAC
- Monthly Subscription ISAAC$7.991 Month
- Isaac$4.99








