# MM私密相册 vs PlanTodo

The clearest difference is update cadence: PlanTodo at every 9 days against MM私密相册's every 3 weeks. PlanTodo also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. MM私密相册 sells 3 in-app purchases, starting at $2.99 per 7 days and PlanTodo sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

MM私密相册 ships an update every 3 weeks, PlanTodo every 9 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MM私密相册 | PlanTodo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 16 MB | 31 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [旭 张](https://appshunter.io/developer/1563196763) | [嘉林 陈](https://appshunter.io/developer/1886152970) |

## What reviewers say

### MM私密相册

[App page](https://appshunter.io/ios/app/mm/id6739800550)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 私密相册周会员 | $2.99 | per 7 days |
| 私密相册年会员 | $19.99 | per year |
| 私密相册终身会员 | $29.99 | one-time |


### PlanTodo

[App page](https://appshunter.io/ios/app/plantodo-schedule-planner/id6760841812)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is MM私密相册 free?

MM私密相册 is free to download, with in-app purchases available.

### Is PlanTodo free?

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

### Do MM私密相册 or PlanTodo have ads?

Neither MM私密相册 nor PlanTodo shows ads.

### Which is updated more often, MM私密相册 or PlanTodo?

MM私密相册 ships an update every 3 weeks, and PlanTodo every 9 days. Most recently, MM私密相册 was updated on October 28, 2026 and PlanTodo on October 31, 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.*