# ADC Addiction Exam Prep Guide vs Fluency Refrain

ADC Addiction Exam Prep Guide and Fluency Refrain are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. ADC Addiction Exam Prep Guide sells 4 in-app purchases, starting at $15.99 per month and Fluency Refrain sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ADC Addiction Exam Prep Guide | Fluency Refrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 13 MB | 19 MB |
| Requires iOS | 18 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sunny Dasari](https://appshunter.io/developer/6798379765) | [George Dick](https://appshunter.io/developer/1863107117) |

## What reviewers say

### ADC Addiction Exam Prep Guide

[App page](https://appshunter.io/ios/app/adc-addiction-exam-prep-guide/id6804505863)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $15.99 | per month |
| 3 Months | $34.99 | per 3 months |
| 6 Months | $59.99 | per 6 months |
| Annual | $99.99 | per year |


### Fluency Refrain

[App page](https://appshunter.io/ios/app/fluency-refrain/id6805607499)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Refrain Pro — Weekly | $7.99 | per 7 days |
| Refrain Pro — Monthly | $9.99 | per month |
| Refrain Pro — Annual | $49.99 | per year |


## Frequently asked questions

### Is ADC Addiction Exam Prep Guide free?

ADC Addiction Exam Prep Guide is free to download, with in-app purchases available.

### Is Fluency Refrain free?

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

### Do ADC Addiction Exam Prep Guide or Fluency Refrain have ads?

Neither ADC Addiction Exam Prep Guide nor Fluency Refrain shows ads.

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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.*