Comparison

Phonics Spelling Dictionary vs Let's Build Sentences

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

Head to head
About

Phonics Spelling Dictionary

This educational app helps children learn phonics and spelling using content from Oxford University Press. It organizes words by initial sounds, offers interactive audio feedback, and includes a speech recognition tool for searching words. Gamified elements like earning stickers and progress tracking keep young learners engaged.

Highlights
  • Words organized by initial sounds
  • Interactive audio feedback
  • Speech recognition for word search
  • Spelling test feature with difficulty levels
  • Sticker rewards and progress tracking
  • iOS Switch Access functionality
Read full description

With content from Oxford University Press, featured by Apple education as a recommended app. The Phonics Spelling Dictionary app uses the word list and images from Oxford University Press’ popular Phonics Spelling Dictionary and makes them easily accessible on your phone and tablet. It orders words according to their initial sounds, which helps children using synthetic phonics to become proficient readers and spellers. Organising words by sound and breaking them up into coloured sections, the app features fun illustrations and interactive audio feedback throughout to help keep you engaged as you learn. Browse through the app to check your spelling, remind yourself of new words that you’ve learned, or to learn more about pronunciation. Tap on words to hear them read aloud to check that you’ve read the word correctly, and to reinforce pronunciation. If you’re trying to find a particular word you can search through the dictionary by phoneme (letter sound) using colourful tabs, or use the special children’s speech recognition tool to search for words in the dictionary even if you’re not sure how to spell it. Test your phonics knowledge with our spelling test feature. There are three levels of difficulty, so you can continue to challenge yourself as you learn more. You’re earn stickers when you use the app, and they’ll automatically be added to the app’s sticker book section. Track your progress and earn rewards for your achievements! If you collect all the stickers in the app you receive a special bonus sticker. Key features Content is taken from Oxford Reading Tree’s Phonics Spelling Dictionary book. An interactive tool with the same word list and style as this popular tool Just like the Phonics Spelling Dictionary book, words are grouped by sound, so you can navigate the dictionary using the tabs on the right hand side Tap on images in the dictionary pages to hear the corresponding word read aloud Search the dictionary with text or voice search Save words from the dictionary to the ‘My Words’ section. This can be used to revise words that you find difficult to spell, or that you want to remember. View more difficult words in the ‘Common & Tricky Words’ section Share your certificates over email, save them as an image or print them out View all of your collected stickers in your Sticker Book iOS Switch Access functionality is available to use for special needs users Content is from the Oxford University Press product: Phonics Spelling Dictionary Acknowledgements: Illustrations © Alex Brychta Text © Debbie Hepplewhite The characters in this work are the original creation of Roderick Hunt and Alex Brychta who retain copyright of the characters.

About

Let's Build Sentences

Features
Read full description

Let’s Build Sentences helps children learn to write real sentences with calm, guided handwriting practice designed for early learners. Choose from available natural-sounding system voices in Parent Settings to find a narrator that suits your child. Children hear letters, build words, trace shapes, and practise writing complete sentences one letter at a time using large child-friendly writing boxes and supportive feedback. Designed for home learning, phonics support, and early confidence-building, the app keeps sentence practice simple, structured, and encouraging. Whether your child is beginning to recognise letter sounds or starting to write full sentences independently, Let’s Build Sentences creates a positive daily writing routine without pressure or overwhelm. FEATURES • Guided sentence handwriting practice • Child-friendly sentence layout with large writing boxes • Helpful feedback that highlights letters needing another try • Trace letters mode for extra support • Tap letters to hear sounds while learning • Parent-led sentence creation • One-tap child-friendly sentence generation • Type mode and handwriting mode • Parent voice recordings for familiar learning support • Learning settings for spacing, capitals, and speech style • iCloud sync across devices (update every device for the latest sync improvements) • Daily goals, streaks and earned mastery stars • A grown-up check for settings and purchases • Reduce Motion support for onboarding and help • Calm encouragement and celebration after success FREE VERSION The free version includes starter sentence packs, handwriting practice, the built-in narrator, and one saved custom sentence. PREMIUM UNLOCK Unlock all sentence packs, unlimited saved custom sentences, parent voice recordings, badges and richer learning tools with a simple one-time purchase. WHY PARENTS LOVE IT • Makes sentence practice feel achievable • Supports phonics-based early learning • Builds confidence through repetition and guidance • Helps children practise independently • Creates a calm and encouraging writing routine • Flexible for different learning stages and abilities No subscriptions. No distracting ads. Just focused sentence practice designed for young learners.

Screenshots

Phonics Spelling Dictionary4 screens
Let's Build Sentences4 screens

Verdict

The call

The clearest difference is price: Let's Build Sentences at Free against Phonics Spelling Dictionary's $2.99. Let's Build Sentences also leads on update cadence (every 4 days vs every 3 months). Phonics Spelling Dictionary's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 17.0). On 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

Let's Build Sentences is free to download; Phonics Spelling Dictionary costs $2.99 up front. Let's Build Sentences sells 1 one-off in-app purchase. Phonics Spelling Dictionary asks for nothing beyond the download.

UpkeepUpdate frequency

Phonics Spelling Dictionary ships an update every 3 months, Let's Build Sentences every 4 days. The most recent releases landed on November 1, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 4 level
Phonics Spelling Dictionary versus Let's Build Sentences: the parameters behind the verdict, then further details
ParameterPhonics Spelling DictionaryLet's Build Sentences
Price$2.99Free — better
Positive reviews88.9% of reviews—
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size469 MB5 MB
Age rating4+4+
DeveloperSkoodalBrian Leary

In-app purchases

None

Phonics Spelling Dictionary

No in-app purchases

1 purchases

Let's Build Sentences

One-time1
  • Premium Unlock$4.99

Questions

Is Phonics Spelling Dictionary free?
Phonics Spelling Dictionary costs $2.99, with no in-app purchases.
Is Let's Build Sentences free?
Let's Build Sentences is free to download, with in-app purchases available.
Do Phonics Spelling Dictionary or Let's Build Sentences have ads?
Neither Phonics Spelling Dictionary nor Let's Build Sentences shows ads.
Which is updated more often, Phonics Spelling Dictionary or Let's Build Sentences?
Phonics Spelling Dictionary ships an update every 3 months, and Let's Build Sentences every 4 days. Most recently, Phonics Spelling Dictionary was updated on November 1, 2026 and Let's Build Sentences on October 6, 2026.

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