Comparison

Number Formation vs Project WET

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

Head to head
About

Number Formation

Features
Read full description

Our Number Formation App is available as a multi-platform resource, which means that you can enjoy this exciting software on your favourite device! Simply use your multi-platform licence to activate the Number Formation App on your iPads and computers. Following on from our successful Letter Formation App comes our number formation version. Ideal for practising written numerals, this app shows the process for numbers 1–20, and allows the child to draw over the marks in the sand to consolidate their own skills. Teacher options provide the facility to select what the user hears and what numbers they can access for more focused work. FEATURES - Select a number stone from the array to see it drawn in the sand - Trace over the pattern to develop fine motor skills - Learn and consolidate numeral patterns - Use settings to disable number stones to limit those on offer - Use settings to disable all number stones to provide a free-play space - A Read Me file with guidance on other ways to support the development of number formation - No third-party advertising - No in-app purchases. WHO IS YELLOW DOOR? We are a publisher offering a range of inspiring and innovative literacy and maths resources. From multisensory games to interactive software, we combine hands-on learning with open-ended technology to promote communication and language, collaborative play and creativity across the curriculum. Our aim is to produce resources that are appealing to small hands and curious minds, and that will help build an engaging, playful learning environment for all young children. OTHER APPS FROM YELLOW DOOR Pre-Writing App Letter Recognition App Letter Formation App I-Spy Initial Sounds App Initial Sounds Bubble App Find the Rhyme App Come Alive Traditional Tales (6 individual apps) Come Alive Nursery Rhymes Come Alive Sound and Letters Come Alive Listening. REVIEW THE APP We would love to know what you think of our new app, so please leave a review!

About

Project WET

Read full description

Experience Project WET’s award-winning water education publications and activities from anywhere in the world. With this innovative digital learning platform, educators can connect with their students online or offline. It’s so much more than an eBook: Students can watch videos, play games, compare notes and more, bringing water education to life. In addition to e-books and digital lessons, educators can download printable PDF instructions for screen-free activities. WETconnect is perfect for the classroom or distance learning. Features: β€’ Access for educators or a whole class including interactive e-books, educator guides, digital lessons, and printable instructions for screen-free activities. β€’ Communication tools that allow students to post questions and comments for teacher feedback within each eBook. β€’ eBooks feature games, quizzes, videos and more to keep students engaged. β€’ Interactive lessons to guide students through Project WET’s award-winning interactive activities in a self-paced and hands-on format. β€’ Lessons are correlated to NGSS and Common Core Standards. β€’ Perfect for Pre-K-12 educators in schools, at home and in informal learning environments. Project WET (Water Education Today) is a nonprofit organization dedicated to advancing water education to understand global challenges and inspire local solutions.

Screenshots

Project WET4 screens

Verdict

The call

The clearest difference is device support: Project WET at 3 against Number Formation's 1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Number Formation ships an update every 36 months, Project WET every 19 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard1 real difference Β· 5 level
Number Formation versus Project WET: the parameters behind the verdict, then further details
ParameterNumber FormationProject WET
PriceFreeFree
Update frequencyEvery 36 monthsEvery 19 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPadiPhone, iPad, iPod β€” better
Requires iOS11.011.0
Further details β€” not scored
Size13 MB91 MB
Age rating4+4+
DeveloperYellow Door LtdHurix Systems Pvt. Ltd.

In-app purchases

None

Number Formation

No in-app purchases

None

Project WET

No in-app purchases

Questions

Is Number Formation free?
Number Formation is free to download, with no in-app purchases.
Is Project WET free?
Project WET is free to download, with no in-app purchases.
Do Number Formation or Project WET have ads?
Neither Number Formation nor Project WET shows ads.
Which is updated more often, Number Formation or Project WET?
Number Formation ships an update every 36 months, and Project WET every 19 months. Most recently, Number Formation was updated on November 3, 2026 and Project WET on November 8, 2026.

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