# Tango Rx vs BOT Spelling

The clearest difference is monetization model: Tango Rx at free against BOT Spelling's subscription. Tango Rx also leads on review sentiment (33% vs 0%) and update cadence (monthly vs every 7 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 Spelling every 7 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Tango Rx | BOT Spelling |
| --- | --- | --- |
| 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 7 months |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 36 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 Spelling

[App page](https://appshunter.io/ios/app/bot-spelling-proofreading/id955369232)

This app helps high school students prepare for the Proofreading section of the Texas UIL Spelling contest. It presents word groups, requiring users to identify and correctly spell misspelled words, reinforcing learning until mastery.

**Highlights:** UIL Proofreading section preparation, Identify and spell misspelled words, Incorrectly spelled words repeat, Progress tracking, Full content subscription

**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 Spelling free?

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

### Do Tango Rx or BOT Spelling have ads?

Neither Tango Rx nor BOT Spelling shows ads.

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

Tango Rx ships an update monthly, and BOT Spelling every 7 months. Most recently, Tango Rx was updated on November 6, 2026 and BOT Spelling on November 1, 2026.

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