Tango Rx vs BOT 3rd
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tango Rx
This app helps educators streamline student assessment, progress monitoring, and instruction. It simplifies benchmark administration and response recording, providing immediate access to student data for improved achievement.
- Streamline assessment and progress monitoring
- Simplify benchmark administration
- Effortless recording of student responses
- Immediate access to class/individual student profiles
- Automated data analysis and tracking
- Automated instructional focus and tracking
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Tango RX, the prescription for student success, helps pre-school to high school educators streamline assessment, progress monitoring, instruction and intervention to maximize student achievement. Developed for teacher, instructional specialist, and coaches in mind, Tango RX makes benchmark and progress monitoring administration a simple and seamless task. With Tango Rx, the recording of student responses is effortless and understanding student progress and needs is intuitive and straight-forward. Assessment administrators simply select one of the pre-loaded students, and then select one of the recommended benchmarks or progress monitoring assessments. Tango Rx leads the teacher through the assessment tasks so that all teachers are giving the assessments in the most consistent and reliable manner. Once the assessment has been administered, the teacher has immediate access to a class or individual student profile on the device and on the web after wireless synchronization. Teachers can get back to teaching using automated Tango RX data analysis and tracking tools both on the Tango Central website and on the device. Features: -- Automated Teacher Roster Loads -- Automated Assessment Navigation -- Automated Device and Web Reporting -- Automated Instructional Focus and Tracking -- Automated Student Grouping and Progress Profiles
BOT 3rd
This app helps third and fourth graders master spelling words for the Texas UIL Spelling contest. It features audio pronunciation, interactive typing, and tracks progress, keeping misspelled words in rotation until mastered. A subscription unlocks all contest words for the current school year.
- UIL spelling word lists
- Audio pronunciation
- Interactive typing practice
- Progress tracking
- Misspelled word review
- Subscription for full content
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Get ahead of the game and on your way to being a champion! Best of Texas Contest's 3rd-4th Grade Spelling helps you learn all the words for the Texas UIL Spelling contest for Grades 3 and 4. Listen as the words are pronounced, type in your spelling, and see if you get the word correct or incorrect. Incorrectly spelled words stay in the mix until you have spelled them correctly. Track your progress as you go. A fun and convenient way to learn the words for the 3rd and 4th grade UIL Spelling contests. Access to full content requires a subscription. A school-year subscription gives you access to all 3rd-4th Grade spelling words for the current school year UIL contest.
Screenshots
Verdict
The clearest difference is monetization model: Tango Rx at free against BOT 3rd's subscription. Tango Rx also leads on review sentiment (33% vs 0%) and update cadence (monthly vs every 6 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tango Rx ships an update monthly, BOT 3rd every 6 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Tango Rx | BOT 3rd |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Liberty Source | Peggy Markham |
Customer experience
Tango Rx
BOT 3rd
In-app purchases
Tango Rx
No in-app purchases
BOT 3rd
No in-app purchases









