Comparison

Phonogram Sounds vs Prism

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

Head to head
About

Phonogram Sounds

This interactive app provides clear audio pronunciations for letter sounds and combinations, featuring all 72 basic phonograms from a popular language arts curriculum. It's designed to support reading and spelling development for learners of all ages.

Highlights
  • Hear correct pronunciation of sounds
  • Clear enunciation of letters and combinations
  • Includes all 72 basic phonograms
  • Supports reading and spelling skills
  • Interactive learning experience
Features
Read full description

Touch a button and hear the correct pronunciation! *Check that your sound is turned on!* This interactive program features clear enunciation of the sounds of the letters and letter combinations (also known as phonograms). Contains all 72 of the basic phonograms as taught in the All About Reading and All About Spelling language arts curriculum. All About Reading is a multisensory, mastery-based program that starts with essential pre-reading skills and continues on to teach all five key components of reading. All About Spelling teaches encoding skills, spelling rules, and multisensory strategies to help your student become a proficient speller for life. Our lightly scripted “open and go” lesson plans and mastery-based approach leave no gaps and make this curriculum a favorite of homeschool families everywhere. Suitable for all ages and learning styles!

About

Prism

This platform helps families and educators document a learner's journey beyond traditional schooling. It allows for quick capture of learning moments, identifies embedded skills and interests, and generates portable portfolios with transcripts and personalized resources.

Highlights
  • Quickly capture learning moments
  • Identify subjects, skills, and interests
  • Build portable learning portfolios
  • Generate transcripts and personalized resources
  • Multiple contributors welcome
  • Family data ownership
Features
Read full description

Learning happens everywhere. Prism makes it visible. Prism is a portfolio platform for families and educators who believe learning isn't confined to curriculum. Whether you're homeschooling, unschooling, running a microschool, or simply want to document your child's unique journey—Prism helps you capture what matters and see what emerges. CAPTURE IN SECONDS Snap a photo, add a sentence. That's it. Prism is designed for real life—quick captures when inspiration strikes, or deeper reflections when you have time. SURFACE LEARNING SIGNALS Prism identifies the subjects, skills, and interests embedded in everyday moments. Over time, patterns emerge—revealing a rich picture of how your learner grows. BUILD PORTABLE PORTFOLIOS Learning from home, school, co-ops, and community all lives in one place. Multiple educators can contribute, but families always own the data. When your child moves on, their portfolio travels with them. GENERATE TRANSCRIPTS & PERSONALIZED RESOURCES Need documentation for evaluators, colleges, or yourself? Prism translates authentic learning into formats the world recognizes—without forcing you to teach to arbitrary standards. Get strewing suggestions tailored to each Learner so you can continue to support the interests and skills that are emerging from their unique journey. DESIGNED FOR: • Homeschooling families • Unschoolers and self-directed learners • Microschools and forest schools • Learning co-ops and pods • Anyone who believes learning is bigger than school Learning is already happening. Prism helps you see it.

Screenshots

Phonogram Sounds3 screens
Prism4 screens

Verdict

The call

The clearest difference is rating: Prism at 5.0 against Phonogram Sounds's 4.0. Prism also leads on review sentiment (100% vs 70%) and update cadence (every 6 weeks vs every 6 months). Phonogram Sounds's advantage is ratings volume (84 vs 7) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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

Prism holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Phonogram Sounds has 84 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 70% of Phonogram Sounds's written reviews are positive against 100% of Prism's.

UpkeepUpdate frequency

Phonogram Sounds ships an update every 6 months, Prism every 6 weeks. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Phonogram Sounds versus Prism: the parameters behind the verdict, then further details
ParameterPhonogram SoundsPrism
PriceFreeFree
Rating4.0 (84 ratings)5.0 (7 ratings) — better
Positive reviews69.6% of reviews100.0% of reviews — better
Number of ratings84 — better7
Update frequencyEvery 6 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.1
Further details — not scored
Size27 MB6 MB
Age rating4+4+
DeveloperAll About Learning Press, Inc.Prism Labs LLC

Customer experience

Phonogram Sounds

All ratings84 ratings
Positive70.2%
Neutral14.3%
Negative15.5%
Written reviews46 reviews
Positive69.6%
Neutral13.0%
Negative17.4%

Prism

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Phonogram Sounds

Reported bugs

7 issues
  • R says /er/ instead of /r/
  • Sound not working
  • App crashes
  • No sound when tapping phonograms
  • Sound only works with ringer on
Show 2 more
  • List of phonograms cut off on iPad
  • App is stick, no audio, no movement

Requested features

9 requests
  • Videos showing lip/tongue placement
  • Interactive game app
  • App for building words/movable tiles
  • Level-based sound availability
  • Enlarging tapped tile
Show 4 more
  • Adding missing phonograms (Level 6, Spalding)
  • Adding more sounds for /i/, /e/, /x/, /ou/, /ei/, /oe/, /wor/, /ear/
  • Spelling lists for review
  • All About Reading app with word reading

Prism

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Phonogram Sounds

No in-app purchases

None

Prism

No in-app purchases

Questions

Is Phonogram Sounds free?
Phonogram Sounds is free to download, with no in-app purchases.
Is Prism free?
Prism is free to download, with no in-app purchases.
Which has better reviews, Phonogram Sounds or Prism?
Prism is rated higher. Phonogram Sounds averages 4.0 out of 5 from 84 ratings, while Prism averages 5.0 from 7 ratings.
Do Phonogram Sounds or Prism have ads?
Neither Phonogram Sounds nor Prism shows ads.
Which is updated more often, Phonogram Sounds or Prism?
Phonogram Sounds ships an update every 6 months, and Prism every 6 weeks. Most recently, Phonogram Sounds was updated on October 16, 2026 and Prism on October 5, 2026.

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