# Achievers vs CoreBTR

The clearest difference is in-app purchases: CoreBTR at none against Achievers's 10. CoreBTR also leads on update cadence (every 5 days vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Achievers sells 10 one-off in-app purchases. CoreBTR asks for nothing beyond the download.

Achievers ships an update every 11 months, CoreBTR every 5 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Achievers | CoreBTR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (38 ratings)](https://appshunter.io/ios/app/corebtr/id6760164235/reviews)** |
| Number of ratings | — | **38** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 146 MB | 69 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [CoreBTR](https://appshunter.io/developer/1882940136) |

## What reviewers say

### Achievers

[App page](https://appshunter.io/ios/app/achievers/id6741017102)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AQ | $29.99 | one-time |
| Package - AU | $34.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


### CoreBTR

[App page](https://appshunter.io/ios/app/corebtr/id6760164235)

This platform offers a structured revision program for medical postgraduate entrance exams. It focuses on high-yield content and integrated learning tools to help aspirants achieve top ranks. The app provides expert guidance and a supportive community for focused preparation.

**Highlights:** 19-Subject Comprehensive Revision, Expert Guidance from Dr. Zainab Vora, Integrated Learning Tools (Videos, Notes, Flashcards), Mock Tests & Assessments, Focused Community for Aspirants, High-Yield Topic Focus

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Achievers free?

Achievers is free to download, with in-app purchases available.

### Is CoreBTR free?

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

### Do Achievers or CoreBTR have ads?

Neither Achievers nor CoreBTR shows ads.

### Which is updated more often, Achievers or CoreBTR?

Achievers ships an update every 11 months, and CoreBTR every 5 days. Most recently, Achievers was updated on October 7, 2026 and CoreBTR on October 12, 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.*