# DayByDay Tracker vs AllergAI

The clearest difference is in-app purchases: AllergAI at none against DayByDay Tracker's 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DayByDay Tracker sells 6 in-app purchases, starting at $4.99 per month. AllergAI asks for nothing beyond the download.

## The numbers

| Metric | DayByDay Tracker | AllergAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 88 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Christopher Kaczkowski](https://appshunter.io/developer/1876387534) | [ADD Enterprises LLC](https://appshunter.io/developer/6780715697) |

## What reviewers say

### DayByDay Tracker

[App page](https://appshunter.io/ios/app/daybyday-tracker/id6759013559)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Day By Day Core Monthly | $4.99 | per month |
| DayByDay Premium Monthly | $5.99 | per month |
| Day By Day Plus | $9.99 | per month |
| Day By Day Core Yearly | $49.99 | per year |
| DayByDay Premium Yearly | $59.99 | per year |
| Day By Day Plus Annual | $99.99 | per year |


### AllergAI

[App page](https://appshunter.io/ios/app/allergai/id6780715695)

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

**In-app purchases:** none


## Frequently asked questions

### Is DayByDay Tracker free?

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

### Is AllergAI free?

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

### Do DayByDay Tracker or AllergAI have ads?

Neither DayByDay Tracker nor AllergAI shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*