Comparison

The Voice Keeper AAC vs Unity Discover

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

Head to head
About

The Voice Keeper AAC

This app helps individuals who use Augmentative and Alternative Communication (AAC) create a personalized voice. By recording a few short sentences, users can generate a unique voice that sounds familiar and natural, enhancing their communication experience. It prioritizes privacy and integrates seamlessly with iOS AAC applications.

Highlights
  • Personalized voice creation
  • Record 5 short sentences
  • Offline voice functionality
  • Seamless iOS integration
  • Privacy-focused design
  • Supports various speech challenges
Features
Read full description

Give your child a voice that sounds like family - in under 2 minutes. A sibling, parent, or family friend records 5 short sentences. We create a personalized voice for your child's AAC device. That's it. "This is by far the best thing I have done for my son's AAC. He is so proud to use his new voice." - Heather A. FREE for PRC-Saltillo users. 30 days free for everyone else. HOW IT WORKS Choose a voice donor - sibling, parent, teacher, cousin, or friend. They record 5 sentences in the app. Done. The AAC user can also record their own voice. WORKS WITH YOUR AAC APP The voice integrates with iOS and works with leading AAC apps including TouchChat, LAMP Words for Life, Proloquo2Go, Grid 3, Predictable, TD Snap, and any app supporting iOS Personal Voices. OFFLINE AND PRIVATE Once installed, the voice works without internet. Original recordings are automatically deleted within 72 hours. We never sell your data or use recordings to train unrelated models. WHO IT'S FOR Children and adults who use AAC - including autism, cerebral palsy, Down syndrome, aphasia, apraxia, ALS, and other speech challenges. LANGUAGES English and Spanish. 4,000+ personalized voices created and counting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Unity Discover

This app offers a risk-free trial of a communication and language building platform. It adapts to various skill levels, supporting users from basic words to complex sentences. After the trial, users can purchase the full version or continue using a limited feature set.

Highlights
  • Risk-free trial of full features
  • Adaptive platform for all skill levels
  • Supports early to advanced language
  • Minspeak® vocabulary accessibility
  • Lite-tech board access after trial
Features
Read full description

Experience Unity® Discover, the new, risk-free way to try all the features of the popular Unity app before you buy. After downloading, you’ll have the option to start a free 30-day trial OR to explore the Unity lite-tech board. Unity offers a flexible, intuitive platform that adapts to users of all skill levels, helping them communicate more effectively and build language skills for greater independence. The Unity Discover app makes this research-based, Minspeak® vocabulary more accessible for all voices. Whether you're just beginning to explore communication or seeking more advanced capabilities, Unity grows with you. It supports early communication with simple words and expands to complex adult-level language, all within one system. After your 30-day trial ends, you’ll have the option to purchase Unity. If you don’t make a purchase, you’ll still have access to the Unity lite-tech board when your trial period ends. By downloading and using the Unity Discover app, the purchaser accepts the PRC-Saltillo Unity Discover Software License Terms. The Manufacturer of the iOS application – Unity Discover is: Prentke Romich Company dba PRC-Saltillo 1022 Heyl Rd Wooster, OH 44691 USA Tel.: (330) 262-1984 // (800) 262-1984 Fax: (330) 262-4829 Email: info@aacapps.com Web: www.prc-saltillo.com The EU Authorized European Representative for the iOS application – Unity Discover is: Prentke Romich GmbH Karthäuserstr. 3 D-34117 Kassel Germany Tel.: (05 61) 7 85 59-0 Fax: (05 61) 7 85 59-29 Email: info@prentke-romich.de Web : www.prentke-romich.de The UK Responsible Person for the iOS application – Unity Discover is: Liberator Ltd Glenside Business Park West Pinchbeck, Spalding, Lincolnshire, PE11 3SA UK Tel: +44 (0)1733 370470 Email: info@liberator.co.uk Web: www.liberator.co.uk/ The Swiss Authorized Representative for the iOS application – Unity Discover is: Inspera GmbH Thunstrasse 64 | CH-3110 Münsingen Phone +41 31 819 74 60 | Mobile +41 79 435 53 09 mail@inspera.ch | www.inspera.ch

Screenshots

The Voice Keeper AAC4 screens
Unity Discover4 screens

Verdict

The call

The clearest difference is review sentiment: The Voice Keeper AAC at 50% against Unity Discover's 0%. The Voice Keeper AAC also leads on rating (4.3 vs 3.0) and ratings volume (20 vs 4). On price, update cadence, 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. The Voice Keeper AAC sells 3 in-app purchases, starting at $4.99 per month and Unity Discover sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

The Voice Keeper AAC holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: The Voice Keeper AAC has 20 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of The Voice Keeper AAC's written reviews are positive against 0% of Unity Discover's.

UpkeepUpdate frequency

The Voice Keeper AAC ships an update every 2 months, Unity Discover every 6 weeks. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

Scorecard4 real differences · 6 level
The Voice Keeper AAC versus Unity Discover: the parameters behind the verdict, then further details
ParameterThe Voice Keeper AACUnity Discover
PriceFreeFree
Rating4.3 (20 ratings) — better3.0 (4 ratings)
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings20 — better4
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size243 MB1.8 GB
Age rating4+4+
DeveloperALMAGUPrentke Romich Company

Customer experience

The Voice Keeper AAC

All ratings19 ratings
Positive84.2%
Neutral0.0%
Negative15.8%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Unity Discover

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

In-app purchases

3 purchases

The Voice Keeper AAC

Subscriptions3
  • Personalized AAC Voice1 Month trial$4.991 Month
  • Monthly Subscription$7.991 Month
  • Monthly Subscription$9.991 Month
2 purchases

Unity Discover

One-time2
  • Unity 30-Day TrialFree
  • Unity Full Version Upgrade$299.99

Questions

Is The Voice Keeper AAC free?
The Voice Keeper AAC is free to download, with in-app purchases available.
Is Unity Discover free?
Unity Discover is free to download, with in-app purchases available.
Which has better reviews, The Voice Keeper AAC or Unity Discover?
The Voice Keeper AAC is rated higher. The Voice Keeper AAC averages 4.3 out of 5 from 20 ratings, while Unity Discover averages 3.0 from 4 ratings.
Do The Voice Keeper AAC or Unity Discover have ads?
Neither The Voice Keeper AAC nor Unity Discover shows ads.
Which is updated more often, The Voice Keeper AAC or Unity Discover?
The Voice Keeper AAC ships an update every 2 months, and Unity Discover every 6 weeks. Most recently, The Voice Keeper AAC was updated on November 3, 2026 and Unity Discover on November 1, 2026.

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