# twodo vs Arca Archive

The clearest difference is in-app purchases: twodo at none against Arca Archive's 2. Arca Archive's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Arca Archive sells 2 in-app purchases, starting at $4.99 per month. twodo asks for nothing beyond the download.

twodo ships an update every 2 months, Arca Archive every 4 days. The most recent releases landed on November 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | twodo | Arca Archive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 2 MB | 39 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MARK RAPHAEL STO. DOMINGO](https://appshunter.io/developer/6781156966) | [Olga Shestakova](https://appshunter.io/developer/1873741157) |

## What reviewers say

### twodo

[App page](https://appshunter.io/ios/app/twodo-shared-to-do/id6788044559)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Arca Archive

[App page](https://appshunter.io/ios/app/arca-archive/id6807356006)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arca Plus Monthly | $4.99 | per month |
| Arca Plus Lifetime | $35.00 | one-time |


## Frequently asked questions

### Is twodo free?

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

### Is Arca Archive free?

Arca Archive is free to download, with in-app purchases available.

### Do twodo or Arca Archive have ads?

Neither twodo nor Arca Archive shows ads.

### Which is updated more often, twodo or Arca Archive?

twodo ships an update every 2 months, and Arca Archive every 4 days. Most recently, twodo was updated on November 5, 2026 and Arca Archive on October 18, 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.*