# AT vs PetBeat

AT and PetBeat are too close to call on the numbers: across 6 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. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on July 5, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | AT | PetBeat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/at-note/id1507869253/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 24 MB | 4 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ATsens Co., Ltd.](https://appshunter.io/developer/1507869252) | [DIGIRAY.Corp.](https://appshunter.io/developer/1797242800) |

## What reviewers say

### AT

[App page](https://appshunter.io/ios/app/at-note/id1507869253)

Monitor real-time ECG and motion data from a wearable device. Easily log symptoms and feelings directly within the app, eliminating the need for traditional paper notes. Compatible with specific smartphones and tablets for convenient health tracking.

**Highlights:** Live ECG viewer, Live 3-Axis motion viewer, Bluetooth connectivity, Symptom logging, Device status check

**Features:** macOS Compatibility

**In-app purchases:** none


### PetBeat

[App page](https://appshunter.io/ios/app/petbeat/id6747958164)

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

**In-app purchases:** none


## Frequently asked questions

### Is AT free?

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

### Is PetBeat free?

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

### Do AT or PetBeat have ads?

Neither AT nor PetBeat shows ads.

### Which is updated more often, AT or PetBeat?

AT ships an update every 4 months, and PetBeat every 4 months. Most recently, AT was updated on July 5, 2026 and PetBeat on September 14, 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.*