# Manta Watch NZ vs Study Kitty

The clearest difference is in-app purchases: Manta Watch NZ at none against Study Kitty's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Study Kitty sells 6 in-app purchases, starting at $4.99 per month. Manta Watch NZ asks for nothing beyond the download.

Manta Watch NZ ships an update every 6 months, Study Kitty every 4 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Manta Watch NZ | Study Kitty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/study-kitty/id6749342191/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | — | Freemium |
| Size | 44 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manta Watch New Zealand Charitable Trust](https://appshunter.io/developer/1784666903) | [Elvin Ly](https://appshunter.io/developer/1830125255) |

## What reviewers say

### Manta Watch NZ

[App page](https://appshunter.io/ios/app/manta-watch-nz/id6739283619)

**In-app purchases:** none


### Study Kitty

[App page](https://appshunter.io/ios/app/study-kitty/id6749342191)

This app uses a gamified timer to help you stay focused and productive. Earn coins for concentration time to upgrade a virtual cat café, unlock new cats, and track your progress. Build better habits with gentle reminders and cloud sync.

**Highlights:** Gamified focus timer, Cat café upgrades, Cat collection, Productivity stats, Gentle reminders, Cloud sync

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Study Kitty Pro | $4.99 | per month |
| Yearly Study Kitty Pro | $29.99 | per year |
| 100 Coins | $0.99 | one-time |
| 550 Coins | $4.99 | one-time |
| 1200 Coins | $9.99 | one-time |
| 2500 Coins | $19.99 | one-time |


## Frequently asked questions

### Is Manta Watch NZ free?

Manta Watch NZ is free to download, with no in-app purchases.

### Is Study Kitty free?

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

### Do Manta Watch NZ or Study Kitty have ads?

Neither Manta Watch NZ nor Study Kitty shows ads.

### Which is updated more often, Manta Watch NZ or Study Kitty?

Manta Watch NZ ships an update every 6 months, and Study Kitty every 4 months. Most recently, Manta Watch NZ was updated on October 14, 2026 and Study Kitty on October 17, 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.*