# ISSA CPT Exam Prep vs Dietalgo

The clearest difference is ads: Dietalgo at none against ISSA CPT Exam Prep's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ISSA CPT Exam Prep sells 2 in-app purchases, starting at $4.99 per 7 days and Dietalgo sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ISSA CPT Exam Prep ships an update weekly, Dietalgo every 4 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ISSA CPT Exam Prep | Dietalgo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Size | 50 MB | 45 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zakaria Ferzazi](https://appshunter.io/developer/1801741449) | [Mert Uygur](https://appshunter.io/developer/1835166887) |

## What reviewers say

### ISSA CPT Exam Prep

[App page](https://appshunter.io/ios/app/issa-cpt-exam-prep/id6745452734)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| en | $4.99 | per 7 days |
| Pro | $29.99 | per year |


### Dietalgo

[App page](https://appshunter.io/ios/app/dietalgo/id6760208871)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $14.99 | per month |
| Dietalgo Pro Yearly | $139.99 | per year |


## Frequently asked questions

### Is ISSA CPT Exam Prep free?

ISSA CPT Exam Prep is free to download, with in-app purchases available.

### Is Dietalgo free?

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

### Do ISSA CPT Exam Prep or Dietalgo have ads?

ISSA CPT Exam Prep shows ads; Dietalgo does not.

### Which is updated more often, ISSA CPT Exam Prep or Dietalgo?

ISSA CPT Exam Prep ships an update weekly, and Dietalgo every 4 days. Most recently, ISSA CPT Exam Prep was updated on October 8, 2026 and Dietalgo on October 22, 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.*