# AllerGen vs Boost

AllerGen and Boost are too close to call on the numbers: across 7 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. AllerGen sells 2 in-app purchases, starting at $9.99 per 7 days and Boost sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

AllerGen ships an update every 11 days, Boost every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AllerGen | Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/allergen-ai-elimination-diet/id6753673532/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 13 MB | 5 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zachary Lehouillier](https://appshunter.io/developer/1840528290) | [Rene Fischer](https://appshunter.io/developer/1868527187) |

## What reviewers say

### AllerGen

[App page](https://appshunter.io/ios/app/allergen-ai-elimination-diet/id6753673532)

This app uses AI and photo tracking to help you identify foods that cause inflammation. By comparing daily selfies and meal photos to a baseline, it reveals patterns and correlations to guide your dietary choices.

**Highlights:** AI-powered inflammation detection, Photo-based meal tracking, Daily selfie check-ins, Baseline photo comparison, Correlation discovery, Inflammation scoring

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $9.99 | per 7 days |
| Unlimited access | $59.99 | per year |


### Boost

[App page](https://appshunter.io/ios/app/boost-supplement-tracker/id6758024013)

Easily log your daily supplements and nutrition with gentle reminders and Apple Health sync. This app offers a clean, clutter-free interface for informed users who value privacy and simplicity in tracking their intake.

**Highlights:** Single-tap supplement check-off, Log missed intakes from past days, Apple Health sync, Gentle reminders, Planned daily intake overview, Clean, clutter-free design

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Support | $0.99 | per month |
| 1 Cup of Coffee (Support) | $1.99 | one-time |
| 1 Sandwich (Support) | $4.99 | one-time |
| 1 Lunch (Support) | $11.99 | one-time |


## Frequently asked questions

### Is AllerGen free?

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

### Is Boost free?

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

### Do AllerGen or Boost have ads?

Neither AllerGen nor Boost shows ads.

### Which is updated more often, AllerGen or Boost?

AllerGen ships an update every 11 days, and Boost every 2 weeks. Most recently, AllerGen was updated on October 30, 2026 and Boost on November 5, 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.*