# Transformers Rescue Bots vs Build A Reader

The clearest difference is price: Build A Reader at Free against Transformers Rescue Bots's $3.99. Transformers Rescue Bots's advantage is chart position (#168 vs unranked) and iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Build A Reader is free to download; Transformers Rescue Bots costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Transformers Rescue Bots ships an update every 16 months, Build A Reader every 14 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Transformers Rescue Bots | Build A Reader |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/transformers-rescue-bots/id1171440204/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 14 months** |
| Monetization | Paid | — |
| Best chart rank | **#168** | — |
| Size | 843 MB | 204 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PlayDate Digital Inc.](https://appshunter.io/developer/652113715) | [Tulsa City-County Library](https://appshunter.io/developer/456403254) |

## What reviewers say

### Transformers Rescue Bots

[App page](https://appshunter.io/ios/app/transformers-rescue-bots/id1171440204)

**Currently charting:** #168 Top Paid · Book (US App Store)

Join the RESCUE BOTS and Cody in an interactive storybook adventure to track down a mysterious Mini-Con. Engage in thrilling races, solve puzzles, and make critical decisions as you explore Griffin Rock. This app is designed to foster teamwork, problem-solving, and early literacy skills in young children.

**Highlights:** Interactive animated scenes, Seven unique mission activities, Choose your leading Bot, Race and hunt for clues, Match suspects and collect Energon, Sticker pack for iMessage

**Features:** macOS Compatibility

**In-app purchases:** none


### Build A Reader

[App page](https://appshunter.io/ios/app/build-a-reader/id1601749442)

**In-app purchases:** none


## Frequently asked questions

### Is Transformers Rescue Bots free?

Transformers Rescue Bots costs $3.99, with no in-app purchases.

### Is Build A Reader free?

Build A Reader is free to download, with no in-app purchases.

### Do Transformers Rescue Bots or Build A Reader have ads?

Neither Transformers Rescue Bots nor Build A Reader shows ads.

### Which is updated more often, Transformers Rescue Bots or Build A Reader?

Transformers Rescue Bots ships an update every 16 months, and Build A Reader every 14 months. Most recently, Transformers Rescue Bots was updated on November 11, 2026 and Build A Reader on November 7, 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.*