# Certified Planner Exam Prep vs Pi Sequence

The clearest difference is iOS requirement: Certified Planner Exam Prep at 15.1 against Pi Sequence's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Certified Planner Exam Prep sells 9 in-app purchases, starting at $14.99 per 7 days and Pi Sequence sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Certified Planner Exam Prep | Pi Sequence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (20 ratings)](https://appshunter.io/ios/app/certified-planner-exam-prep/id6744002888/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 60 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Exam Prep OU](https://appshunter.io/developer/1689642184) | [晓灵 潘](https://appshunter.io/developer/6781908128) |

## What reviewers say

### Certified Planner Exam Prep

[App page](https://appshunter.io/ios/app/certified-planner-exam-prep/id6744002888)

Prepare for the AICP Planner Exam with a comprehensive test prep app. Features include an extensive question bank, detailed explanations, progress tracking, and customizable study plans. Simulate the exam experience to build confidence and achieve certification.

**Highlights:** Up-to-date practice tests, Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AICP Weekly Full Access | $14.99 | per 7 days |
| AICP Monthly Full Access | $34.99 | per month |
| AICP Monthly Full Access | $34.99 | per month |
| AICP Quarterly Full Access | $69.99 | per 3 months |
| AICP Quarterly Full Access | $69.99 | per 3 months |
| AICP Semiannual Full Access | $99.99 | per 6 months |
| AICP Semiannual Full Access | $99.99 | per 6 months |
| AICP Annual Full Access | $139.99 | per year |
| AICP Annual Full Access | $139.99 | per year |


### Pi Sequence

[App page](https://appshunter.io/ios/app/pi-sequence-memorize-pi/id6783736734)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $3.99 | one-time |


## Frequently asked questions

### Is Certified Planner Exam Prep free?

Certified Planner Exam Prep is free to download, with in-app purchases available.

### Is Pi Sequence free?

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

### Do Certified Planner Exam Prep or Pi Sequence have ads?

Neither Certified Planner Exam Prep nor Pi Sequence shows ads.

### Which is updated more often, Certified Planner Exam Prep or Pi Sequence?

Certified Planner Exam Prep ships an update every 3 months, and Pi Sequence every 3 months. Most recently, Certified Planner Exam Prep was updated on September 27, 2026 and Pi Sequence on September 24, 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.*