# Criterion vs Exam Countdown & Study Planner

The clearest difference is in-app purchases: Criterion at none against Exam Countdown & Study Planner's 3. Exam Countdown & Study Planner's advantage is iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Exam Countdown & Study Planner sells 3 in-app purchases, starting at $1.99 per month. Criterion asks for nothing beyond the download.

## The numbers

| Metric | Criterion | Exam Countdown & Study Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exam-countdown-and-study-planner/id6785573853/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 11 MB | 89 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anar Anand](https://appshunter.io/developer/1836796820) | [Ikramul Hossain Mondal](https://appshunter.io/developer/6785573855) |

## What reviewers say

### Criterion

[App page](https://appshunter.io/ios/app/criterion/id6751784325)

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

**In-app purchases:** none


### Exam Countdown & Study Planner

[App page](https://appshunter.io/ios/app/exam-countdown-and-study-planner/id6785573853)

This app helps students organize their academic life with an exam countdown, study planner, and focus timer. It breaks down syllabi, tracks progress, and encourages consistent study habits to boost productivity and achieve academic goals.

**Highlights:** Exam countdown timer, Study tracker & syllabus manager, Study timer & Pomodoro focus, AI study planner, Daily to-do list & task manager, Daily study streaks & motivation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Pro (Monthly) | $1.99 | per month |
| Ai Pro (Yearly) | $19.99 | per year |
| Exam Countdown Premium | $3.99 | one-time |


## Frequently asked questions

### Is Criterion free?

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

### Is Exam Countdown & Study Planner free?

Exam Countdown & Study Planner is free to download, with in-app purchases available.

### Do Criterion or Exam Countdown & Study Planner have ads?

Neither Criterion nor Exam Countdown & Study Planner 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.*