# e vs SmartCheckInOut

The clearest difference is iOS requirement: e at 12.0 against SmartCheckInOut's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | e | SmartCheckInOut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 111 MB | 46 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thai Marine](https://appshunter.io/developer/1297380699) | [CPF IT CENTER CO.,LTD.](https://appshunter.io/developer/725947590) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-285-plus/id1645465595)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartCheckInOut

[App page](https://appshunter.io/ios/app/smartcheckinout/id6698866918)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is SmartCheckInOut free?

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

### Do e or SmartCheckInOut have ads?

Neither e nor SmartCheckInOut shows ads.

### Which is updated more often, e or SmartCheckInOut?

e ships an update weekly, and SmartCheckInOut weekly. Most recently, e was updated on October 2, 2026 and SmartCheckInOut on September 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.*