# Algae vs カテリ

Algae and カテリ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 every 39 months. The most recent releases landed on May 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Algae | カテリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | Every 39 months |
| Size | 40 MB | 31 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Masayo Hara](https://appshunter.io/developer/1600624186) | [YOSUKE WATANABE](https://appshunter.io/developer/1605877140) |

## What reviewers say

### Algae

[App page](https://appshunter.io/ios/app/algae/id1600624184)

**In-app purchases:** none


### カテリ

[App page](https://appshunter.io/ios/app/id1605877138)

**In-app purchases:** none


## Frequently asked questions

### Is Algae free?

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

### Is カテリ free?

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

### Do Algae or カテリ have ads?

Neither Algae nor カテリ shows ads.

### Which is updated more often, Algae or カテリ?

Algae ships an update every 39 months, and カテリ every 39 months. Most recently, Algae was updated on May 14, 2026 and カテリ on September 20, 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.*