Comparison

Let's Spell vs Let's Build Sentences

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

Head to head
About

Let's Spell

Features
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Practice your spelling with Let's Spell using the built in sets to learn and then take the test which will use the speech synthesiser to ask you how to spell each word.

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 β€’ Guided sentence handwriting practice β€’ Child-friendly sentence layout with large writing boxes β€’ Helpful feedback that highlights letters needing another try β€’ Trace letters mode for extra support β€’ Tap letters to hear sounds while learning β€’ Parent-led sentence creation β€’ One-tap child-friendly sentence generation β€’ Type mode and handwriting mode β€’ Parent voice recordings for familiar learning support β€’ Learning settings for spacing, capitals, and speech style β€’ iCloud sync across devices (update every device for the latest sync improvements) β€’ Daily goals, streaks and earned mastery stars β€’ A grown-up check for settings and purchases β€’ Reduce Motion support for onboarding and help β€’ 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 β€’ Makes sentence practice feel achievable β€’ Supports phonics-based early learning β€’ Builds confidence through repetition and guidance β€’ Helps children practise independently β€’ Creates a calm and encouraging writing routine β€’ Flexible for different learning stages and abilities No subscriptions. No distracting ads. Just focused sentence practice designed for young learners.

Screenshots

Let's Spell4 screens
Let's Build Sentences4 screens

Verdict

The call

The clearest difference is in-app purchases: Let's Spell at none against Let's Build Sentences's 1. Let's Spell also leads on iOS requirement (13.0 vs 17.0). Let's Build Sentences's advantage is update cadence (every 4 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Let's Build Sentences sells 1 one-off in-app purchase. Let's Spell asks for nothing beyond the download.

UpkeepUpdate frequency

Let's Spell ships an update every 4 weeks, Let's Build Sentences every 4 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences Β· 3 level
Let's Spell versus Let's Build Sentences: the parameters behind the verdict, then further details
ParameterLet's SpellLet's Build Sentences
PriceFreeFree
Update frequencyEvery 4 weeksEvery 4 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS13.0 β€” better17.0
Further details β€” not scored
Size1 MB5 MB
Age rating4+4+
DeveloperMichael PollardBrian Leary

In-app purchases

None

Let's Spell

No in-app purchases

1 purchases

Let's Build Sentences

One-time1
  • Premium Unlock$4.99

Questions

Is Let's Spell free?
Let's Spell is free to download, 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 Let's Spell or Let's Build Sentences have ads?
Neither Let's Spell nor Let's Build Sentences shows ads.
Which is updated more often, Let's Spell or Let's Build Sentences?
Let's Spell ships an update every 4 weeks, and Let's Build Sentences every 4 days. Most recently, Let's Spell was updated on October 9, 2026 and Let's Build Sentences on October 6, 2026.

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