Comparison

Spell That 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

Spell That

Features
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SpellThat is a spelling game to help Primary School Children develop their spelling skills whilst having some fun. The app allows users to share word lists.

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

Spell That4 screens
Let's Build Sentences4 screens

Verdict

The call

The clearest difference is in-app purchases: Spell That at none against Let's Build Sentences's 1. Spell That also leads on update cadence (every 2 days vs every 4 days) and iOS requirement (15.0 vs 17.0). 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. Spell That asks for nothing beyond the download.

UpkeepUpdate frequency

Spell That ships an update every 2 days, Let's Build Sentences every 4 days. Both last shipped on October 6, 2026.

Scorecard3 real differences Β· 3 level
Spell That versus Let's Build Sentences: the parameters behind the verdict, then further details
ParameterSpell ThatLet's Build Sentences
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 4 days
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better17.0
Further details β€” not scored
Size4 MB5 MB
Age rating4+4+
DeveloperTony SwannBrian Leary

In-app purchases

None

Spell That

No in-app purchases

1 purchases

Let's Build Sentences

One-time1
  • Premium Unlock$4.99

Questions

Is Spell That free?
Spell That 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 Spell That or Let's Build Sentences have ads?
Neither Spell That nor Let's Build Sentences shows ads.
Which is updated more often, Spell That or Let's Build Sentences?
Spell That ships an update every 2 days, and Let's Build Sentences every 4 days. Most recently, Spell That was updated on October 6, 2026 and Let's Build Sentences on October 6, 2026.

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