Comparison

Centralia High School vs Pre

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

Head to head
About

Centralia High School

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Introducing the brand new app for Centralia High School. NEVER MISS AN EVENT The event section shows a list of events throughout the district. Users can add an event to their calendar to share the event with friends and family with one tap. CUSTOMIZE NOTIFICATIONS Select your student’s organization within the app and make sure you never miss a message. CAFETERIA MENUS Within the dining section, you’ll find an easy to navigate, weekly menu, sorted by day and meal type. DISTRICT UPDATES In the Live Feed is where you’ll find updates from the administration about what’s going on in the district right now. Whether that’s celebrating a student’s success, or reminding you about an upcoming deadline. CONTACT STAFF & DEPARTMENTS Find relevant staff and department contacts under an easy-to-navigate directory.

About

Pre

Features
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An app designed by preschool teachers for parents to easily identify any child’s knowledge related to basic preliteracy and pre-math skills. Audios ask children to identify specific information on the screen related to one of ten areas: upper case letter recognition, lower case recognition, number recognition (1 to 10), number recognition (11-20), counting (1 to 10 items), counting (11-20 items), colors, shapes, rhyming words, and letter-sound correspondence.

Screenshots

Centralia High School4 screens
Pre4 screens

Verdict

The call

The clearest difference is in-app purchases: Centralia High School at none against Pre's 1. Pre's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement 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

Both are free to download. Pre sells 1 one-off in-app purchase. Centralia High School asks for nothing beyond the download.

UpkeepUpdate frequency

Centralia High School ships an update every 4 months, Pre monthly. The most recent releases landed on November 3, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level
Centralia High School versus Pre: the parameters behind the verdict, then further details
ParameterCentralia High SchoolPre
PriceFreeFree
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.1
Further details — not scored
Size64 MB46 MB
Age rating4+4+
DeveloperCentralia High SchoolCurriculum Technologies

In-app purchases

None

Centralia High School

No in-app purchases

1 purchases

Pre

One-time1
  • Lifetime Access$1.99

Questions

Is Centralia High School free?
Centralia High School is free to download, with no in-app purchases.
Is Pre free?
Pre is free to download, with in-app purchases available.
Do Centralia High School or Pre have ads?
Neither Centralia High School nor Pre shows ads.
Which is updated more often, Centralia High School or Pre?
Centralia High School ships an update every 4 months, and Pre monthly. Most recently, Centralia High School was updated on November 3, 2026 and Pre on October 9, 2026.

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