# iParallel平行的我 vs 忘忧信箱

The clearest difference is update cadence: iParallel平行的我 at weekly against 忘忧信箱's monthly. iParallel平行的我 also leads on iOS requirement (8.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

iParallel平行的我 ships an update weekly, 忘忧信箱 monthly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iParallel平行的我 | 忘忧信箱 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 149 MB | 35 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Jiaxi Liu](https://appshunter.io/developer/956396589) | [鹏 张](https://appshunter.io/developer/1276467599) |

## What reviewers say

### iParallel平行的我

[App page](https://appshunter.io/ios/app/iparallel/id1133404708)

**In-app purchases:** none


### 忘忧信箱

[App page](https://appshunter.io/ios/app/id1276467600)

**In-app purchases:** none


## Frequently asked questions

### Is iParallel平行的我 free?

iParallel平行的我 is free to download, with no in-app purchases.

### Is 忘忧信箱 free?

忘忧信箱 is free to download, with no in-app purchases.

### Do iParallel平行的我 or 忘忧信箱 have ads?

Neither iParallel平行的我 nor 忘忧信箱 shows ads.

### Which is updated more often, iParallel平行的我 or 忘忧信箱?

iParallel平行的我 ships an update weekly, and 忘忧信箱 monthly. Most recently, iParallel平行的我 was updated on October 12, 2026 and 忘忧信箱 on October 10, 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.*