# SlipcaseS vs MKeep

The clearest difference is update cadence: MKeep at every 9 days against SlipcaseS's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SlipcaseS sells 2 in-app purchases, starting at $2.99 per month and MKeep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SlipcaseS ships an update every 3 weeks, MKeep every 9 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SlipcaseS | MKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 3 MB | 54 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [磊 陈](https://appshunter.io/developer/1787036526) | [拥军 陈](https://appshunter.io/developer/1139696280) |

## What reviewers say

### SlipcaseS

[App page](https://appshunter.io/ios/app/slipcases/id6763835362)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SlipCase Pro Monthly | $2.99 | per month |
| SlipCase Pro Yearly | $19.99 | per year |


### MKeep

[App page](https://appshunter.io/ios/app/mkeep-birthday-reminders/id6795809167)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Plus | $9.99 | one-time |


## Frequently asked questions

### Is SlipcaseS free?

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

### Is MKeep free?

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

### Do SlipcaseS or MKeep have ads?

Neither SlipcaseS nor MKeep shows ads.

### Which is updated more often, SlipcaseS or MKeep?

SlipcaseS ships an update every 3 weeks, and MKeep every 9 days. Most recently, SlipcaseS was updated on September 10, 2026 and MKeep on September 18, 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.*