# TWO【公式】 vs Algae

TWO【公式】 and Algae 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.

TWO【公式】 ships an update every 38 months, Algae every 39 months. The most recent releases landed on September 11, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | TWO【公式】 | Algae |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 34 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [TAIKI KOIZUMI](https://appshunter.io/developer/1569870683) | [Masayo Hara](https://appshunter.io/developer/1600624186) |

## What reviewers say

### TWO【公式】

[App page](https://appshunter.io/ios/app/two/id1569870681)

**In-app purchases:** none


### Algae

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

**In-app purchases:** none


## Frequently asked questions

### Is TWO【公式】 free?

TWO【公式】 is free to download, with no in-app purchases.

### Is Algae free?

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

### Do TWO【公式】 or Algae have ads?

Neither TWO【公式】 nor Algae shows ads.

### Which is updated more often, TWO【公式】 or Algae?

TWO【公式】 ships an update every 38 months, and Algae every 39 months. Most recently, TWO【公式】 was updated on September 11, 2026 and Algae on May 14, 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.*