# Plan Builder vs ZooDoc

The clearest difference is in-app purchases: ZooDoc at none against Plan Builder's 1. ZooDoc also leads on ads (none vs shown). Plan Builder's advantage is update cadence (every 9 days vs every 4 months) and iOS requirement (15.6 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Plan Builder sells 1 in-app purchase, starting at $1.99 per month. ZooDoc asks for nothing beyond the download.

Plan Builder ships an update every 9 days, ZooDoc every 4 months. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Plan Builder | ZooDoc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 4 months |
| Size | 78 MB | 14 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jiyeon Lee](https://appshunter.io/developer/1530250004) | [Sangwook Joo](https://appshunter.io/developer/6780354751) |

## What reviewers say

### Plan Builder

[App page](https://appshunter.io/ios/app/plan-builder-mandalarttodo/id1641606151)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $1.99 | per month |


### ZooDoc

[App page](https://appshunter.io/ios/app/zoodoc/id6787869083)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Plan Builder free?

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

### Is ZooDoc free?

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

### Do Plan Builder or ZooDoc have ads?

Plan Builder shows ads; ZooDoc does not.

### Which is updated more often, Plan Builder or ZooDoc?

Plan Builder ships an update every 9 days, and ZooDoc every 4 months. Most recently, Plan Builder was updated on October 11, 2026 and ZooDoc on October 28, 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.*