# ThinkADHD vs AllergyRhino

The clearest difference is update cadence: ThinkADHD at fortnightly against AllergyRhino's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ThinkADHD ships an update fortnightly, AllergyRhino monthly. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ThinkADHD | AllergyRhino |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 394 MB | 443 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Divergence Works CIC](https://appshunter.io/developer/1800788112) | [AllergyRhino LIMITED](https://appshunter.io/developer/1845066161) |

## What reviewers say

### ThinkADHD

[App page](https://appshunter.io/ios/app/thinkadhd/id6743006969)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### AllergyRhino

[App page](https://appshunter.io/ios/app/allergyrhino/id6753795013)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ThinkADHD free?

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

### Is AllergyRhino free?

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

### Do ThinkADHD or AllergyRhino have ads?

Neither ThinkADHD nor AllergyRhino shows ads.

### Which is updated more often, ThinkADHD or AllergyRhino?

ThinkADHD ships an update fortnightly, and AllergyRhino monthly. Most recently, ThinkADHD was updated on September 7, 2026 and AllergyRhino on September 9, 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.*