# allToday vs Aerien

The clearest difference is update cadence: allToday at every 16 months against Aerien's every 38 months. 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.

allToday ships an update every 16 months, Aerien every 38 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | allToday | Aerien |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 16 months** | Every 38 months |
| Size | 16 MB | 19 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [TOMOYOSHI YAMASHITA](https://appshunter.io/developer/1327684087) | [KODAI SEITO](https://appshunter.io/developer/1630907620) |

## What reviewers say

### allToday

[App page](https://appshunter.io/ios/app/alltoday-dc/id1327684088)

**In-app purchases:** none


### Aerien

[App page](https://appshunter.io/ios/app/aerien/id1630907618)

**In-app purchases:** none


## Frequently asked questions

### Is allToday free?

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

### Is Aerien free?

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

### Do allToday or Aerien have ads?

Neither allToday nor Aerien shows ads.

### Which is updated more often, allToday or Aerien?

allToday ships an update every 16 months, and Aerien every 38 months. Most recently, allToday was updated on October 26, 2026 and Aerien on October 27, 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.*