Comparison

Grass Fire vs Decodable Readers L5&6

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

Head to head
About

Grass Fire

This educational app explores how the human brain interprets visual shapes. It's designed to help users understand the cognitive processes behind shape recognition and perception.

Highlights
  • Understanding shape interpretation
  • Cognitive process exploration
  • Visual perception testing
  • Educational content
Features
Read full description

Grass Fire helps players understand how our brains understand what shapes represent.

About

Decodable Readers L5&6

This app provides a systematic approach to learning to read for children, using decodable books that introduce new sounds progressively. It includes audio support, pre-reading activities, and post-reading comprehension exercises.

Highlights
  • Systematic phonic reading approach
  • Progressive sound introduction
  • Audio support with word tapping
  • Pre-reading activities
  • Post-reading comprehension exercises
  • Controlled audio function per page
Features
Read full description

The Decodable Readers Australia books support a systematic approach of learning to read. This approach ensures kids are given the “right-fit” book. Decodable, or phonic readers, only contain words made up of the sounds a child has learnt. Within each level in the Decodable Readers Australia Series, a new group of sounds is introduced. As children move through each level the sounds progress from simple to complex. The Decodable Readers Australia – Level 5 books introduce the sounds ai (trail), ay (play), ea (beach), ee (tree), ie (pie), igh (sight), oa (boat), ow (slow), ew (few), ue (cue). Our Level 6 books introduce the sounds oi (soil), oy (boy), oo (book), oo (moon), ou (loud), ow (cow), er (term), ir (stir), ur (turn), ar (star), or (for). All the words in each of the 20 books in Level 5/6 are made up of these sounds and those introduced in Level 1, 2, 3 and 4 along with minimal sight words. After having mastered the Level 1, 2, 3 and 4 sounds and the reading skills of blending and tracking, children should have gained the confidence to read Australian stories with new words and more text on each page. Each story in Level 5/6 can be enjoyed by listening to the professional audio or read aloud with the support of tapping and hearing the word if required. The audio function can be controlled independently within each page. Both parents and teachers can continue to support children with vocab and comprehension development through using the post-reading activities provided within each story. An addition to the Level 5/6 readers are the wide range of pre-reading activities that can be used to help set the purpose for reading.

Screenshots

Grass Fire4 screens
Decodable Readers L5&64 screens

Verdict

The call

The clearest difference is price: Grass Fire at Free against Decodable Readers L5&6's $15.99. Grass Fire also leads on iOS requirement (12.0 vs 14.1). On update cadence, ads, in-app purchases 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

Grass Fire is free to download; Decodable Readers L5&6 costs $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Grass Fire ships an update every 15 months, Decodable Readers L5&6 every 18 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Grass Fire versus Decodable Readers L5&6: the parameters behind the verdict, then further details
ParameterGrass FireDecodable Readers L5&6
PriceFree — better$15.99
Rating1.0 (3 ratings) — better—
Positive reviews—66.7% of reviews
Number of ratings3 — better—
Update frequencyEvery 15 months — betterEvery 18 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.1
Further details — not scored
Size66 MB993 MB
Age rating4+4+
Developerarludo Pty LtdDecodable Readers Australia

Customer experience

Grass Fire

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Decodable Readers L5&6

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Grass Fire

No in-app purchases

None

Decodable Readers L5&6

No in-app purchases

Questions

Is Grass Fire free?
Grass Fire is free to download, with no in-app purchases.
Is Decodable Readers L5&6 free?
Decodable Readers L5&6 costs $15.99, with no in-app purchases.
Do Grass Fire or Decodable Readers L5&6 have ads?
Neither Grass Fire nor Decodable Readers L5&6 shows ads.
Which is updated more often, Grass Fire or Decodable Readers L5&6?
Grass Fire ships an update every 15 months, and Decodable Readers L5&6 every 18 months. Most recently, Grass Fire was updated on November 2, 2026 and Decodable Readers L5&6 on November 6, 2026.

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