Exploring The Core K vs TeachFX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Exploring The Core K
This app visualizes Common Core State Standards for K-8 math, showing skill progression across grade levels. It serves as a reference for parents and educators to understand expected math skill sets.
- Visualizes K-8 math standards
- Shows skill development across grades
- Searchable standards
- Glossary of education terms
- Reference tool for parents and teachers
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Exploring The Core: Elementary Math is the best way to *see* what is in the Common Core State Standards for Mathematics. Our math app presents all CCSS standards in Mathematics for grades K-8, illustrating each grade-level skill and aligning to show skill development across grade levels. With this app, teachers and parents can not only read the Common Core State Standards for each grade-level skill, but can also "swipe" to see how each skill develops in and between grade-levels. Searchable Standards and Glossary features eliminate the need for lugging heavy binders of standards and education-specific references around with you. Created by a teacher for teachers and parents, Exploring The Core: Elementary Math is the perfect tool for anybody wanting to understand the basic skill sets expected in the Common Core State Standards. This app serves as a reference tool for parents and teachers. It is not a curriculum and is not intended to serve as a primary teaching tool for students. Learn more at www.ExploringTheCore.com #exploringthecore
TeachFX
This tool helps educators gain insights into classroom learning dynamics by capturing and analyzing student-teacher conversations. It provides visible evidence of student engagement and instructional practices, fostering reflection and professional growth. The app is designed for privacy and personalization.
- Classroom talk ratio analysis
- Academic language tracking
- Questioning technique evaluation
- Think time and turn-taking observation
- Student participation patterns
- Personalized and private data
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TeachFX is a tool designed for teachers that surfaces unique insights about the learning dynamics in the classroom—such as on ratios of talk, lesson design, academic language, questioning techniques, think time, turn taking, participation patterns and on many more instructional practices. Use it during instruction to capture the conversations between you and your students, and get visible evidence of student engagement. It’s all personalized and private to you, and designed to foster your reflection and growth. Try it out today!
Screenshots
Verdict
The clearest difference is rating: TeachFX at 5.0 against Exploring The Core K's 4.4. TeachFX also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 5 weeks). Exploring The Core K's advantage is iOS requirement (8.0 vs 16.4). On price, ads 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
Both are free to download. Exploring The Core K sells 1 one-off in-app purchase. TeachFX asks for nothing beyond the download.
TeachFX holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 21 respectively. Written reviews point the same way: 60% of Exploring The Core K's written reviews are positive against 75% of TeachFX's.
Exploring The Core K ships an update every 5 weeks, TeachFX weekly. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.
| Parameter | Exploring The Core K | TeachFX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) | 5.0 (21 ratings) — better |
| Positive reviews | 60.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 7 | 21 — better |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 35 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | Exploring The Core LLC | TeachFX |
Customer experience
Exploring The Core K
TeachFX
In-app purchases
Exploring The Core K
- Unlock All Grades and Skills$2.99
TeachFX
No in-app purchases
Questions
Is Exploring The Core K free?
Is TeachFX free?
Which has better reviews, Exploring The Core K or TeachFX?
Do Exploring The Core K or TeachFX have ads?
Which is updated more often, Exploring The Core K or TeachFX?
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