# Tango Rx vs BOT 3rd

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.

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.

## The numbers

| Metric | Tango Rx | BOT 3rd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/tango-rx/id342162185/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 37 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Liberty Source](https://appshunter.io/developer/342162188) | [Peggy Markham](https://appshunter.io/developer/951379850) |

## What reviewers say

### Tango Rx

[App page](https://appshunter.io/ios/app/tango-rx/id342162185)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### BOT 3rd

[App page](https://appshunter.io/ios/app/bot-3rd-4th-grade-spelling/id951379870)

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.

**Highlights:** UIL spelling word lists, Audio pronunciation, Interactive typing practice, Progress tracking, Misspelled word review, Subscription for full content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tango Rx free?

Tango Rx is free to download, with no in-app purchases.

### Is BOT 3rd free?

BOT 3rd is free to download, with no in-app purchases.

### Do Tango Rx or BOT 3rd have ads?

Neither Tango Rx nor BOT 3rd shows ads.

### Which is updated more often, Tango Rx or BOT 3rd?

Tango Rx ships an update monthly, and BOT 3rd every 6 months. Most recently, Tango Rx was updated on November 6, 2026 and BOT 3rd on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*