# Tailbook vs Goodbite Emo

The clearest difference is in-app purchases: Goodbite Emo at none against Tailbook's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tailbook sells 5 in-app purchases, starting at $0.99 per month. Goodbite Emo asks for nothing beyond the download.

Tailbook ships an update every 5 days, Goodbite Emo every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tailbook | Goodbite Emo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 110 MB | 3 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [司坤 洪](https://appshunter.io/developer/1872261211) | [龙 李](https://appshunter.io/developer/1896768254) |

## What reviewers say

### Tailbook

[App page](https://appshunter.io/ios/app/tailbook-pet-health-tracker/id6759037476)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月度订阅 | $0.99 | per month |
| Tailbook Pro Monthly | $3.99 | per month |
| Pro 年度订阅 | $9.99 | per year |
| Tailbook Pro Yearly | $19.99 | per year |
| Tailbook Pro Lifetime | $39.99 | one-time |


### Goodbite Emo

[App page](https://appshunter.io/ios/app/goodbite-emo/id6773198516)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tailbook free?

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

### Is Goodbite Emo free?

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

### Do Tailbook or Goodbite Emo have ads?

Neither Tailbook nor Goodbite Emo shows ads.

### Which is updated more often, Tailbook or Goodbite Emo?

Tailbook ships an update every 5 days, and Goodbite Emo every 4 days. Most recently, Tailbook was updated on November 5, 2026 and Goodbite Emo on October 31, 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.*