# BIOID vs Day2Day

The clearest difference is in-app purchases: BIOID at none against Day2Day's 9. BIOID also leads on device support and iOS requirement (12.1 vs 15.0). On price there is nothing between them.

Both are free to download. Day2Day sells 9 in-app purchases, starting at $3.99 per month. BIOID asks for nothing beyond the download.

## The numbers

| Metric | BIOID | Day2Day |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 26 MB | 12 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [SHOREWOOD LIQUIDATORS INC](https://appshunter.io/developer/1271033766) | [Andrei Tsitou](https://appshunter.io/developer/1740335390) |

## What reviewers say

### BIOID

[App page](https://appshunter.io/ios/app/bioid/id1462611069)

**Features:** macOS Compatibility

**In-app purchases:** none


### Day2Day

[App page](https://appshunter.io/ios/app/day2day-habits-tracker/id6483928214)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month Pro-subscription | $3.99 | per month |
| 1 year Pro-subscription | $39.99 | per year |
| 1 freeze | $0.99 | one-time |
| 3 Freezes | $1.99 | one-time |
| One TimeRewind | $1.99 | one-time |
| 5 freezes | $2.99 | one-time |
| 2 TimeRewinds | $2.99 | one-time |
| 3 TimeRewinds | $3.99 | one-time |
| Lifetime Pro-subscription | $49.99 | one-time |


## Frequently asked questions

### Is BIOID free?

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

### Is Day2Day free?

Day2Day is free to download, with in-app purchases available.

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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.*