# Foster Kitten vs Pet Weight Tracker

The clearest difference is review sentiment: Foster Kitten at 100% against Pet Weight Tracker's 0%. Foster Kitten also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Foster Kitten sells 2 in-app purchases, starting at $2.99 per month and Pet Weight Tracker sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Foster Kitten holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of Foster Kitten's written reviews are positive against 0% of Pet Weight Tracker's.

Foster Kitten ships an update weekly, Pet Weight Tracker every 5 weeks. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Foster Kitten | Pet Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/foster-kitten/id6754807732/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pet-weight-tracker-log/id6772563969/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 44 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Odysseus Wenger](https://appshunter.io/developer/1850193796) | [Vasilii Polovnikov](https://appshunter.io/developer/1716165883) |

## What reviewers say

### Foster Kitten

[App page](https://appshunter.io/ios/app/foster-kitten/id6754807732)

This app helps track the health and development of kittens from birth to 12 weeks old. It allows for daily logging of weight, medications, feedings, and symptoms, with AI-powered stool assessment. It also supports tracking socialization and provides care resources.

**Highlights:** Daily kitten health logging, AI-powered stool assessment, Socialization tracking, Care resources library, Mother cat care tracking, Baby Book for milestones, Consolidated reports with sharing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Foster Kitten (Basic) | $2.99 | per month |
| Foster Kitten (Pro) | $3.99 | per month |


### Pet Weight Tracker

[App page](https://appshunter.io/ios/app/pet-weight-tracker-log/id6772563969)

Monitor your pet's weight progression with detailed charts and historical data. Easily share insights with your veterinarian and preserve cherished memories with photos. Ideal for owners focused on their pet's health and well-being.

**Highlights:** Track multiple pets, Weight change delta, Full history chart, PDF export for vet, Pet photos for memories

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium · 1 week | $0.99 | per 7 days |
| Premium · 1 month | $1.99 | per month |
| Premium · 1 year | $9.99 | per year |
| Premium · Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Foster Kitten free?

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

### Is Pet Weight Tracker free?

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

### Which has better reviews, Foster Kitten or Pet Weight Tracker?

Foster Kitten is rated higher. Foster Kitten averages 5.0 out of 5 from 4 ratings, while Pet Weight Tracker averages 1.0 from 1 ratings.

### Do Foster Kitten or Pet Weight Tracker have ads?

Neither Foster Kitten nor Pet Weight Tracker shows ads.

### Which is updated more often, Foster Kitten or Pet Weight Tracker?

Foster Kitten ships an update weekly, and Pet Weight Tracker every 5 weeks. Most recently, Foster Kitten was updated on September 10, 2026 and Pet Weight Tracker on September 22, 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.*