# Jellywatch vs TutorTod

The clearest difference is in-app purchases: Jellywatch at none against TutorTod's 10. TutorTod's advantage is update cadence (weekly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TutorTod sells 10 one-off in-app purchases. Jellywatch asks for nothing beyond the download.

Jellywatch ships an update every 3 months, TutorTod weekly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Jellywatch | TutorTod |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jellywatch/id545501733/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 6 MB | 168 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Monterey Bay Aquarium Research Institute](https://appshunter.io/developer/997448509) | [TUTOR TOD W.L.L](https://appshunter.io/developer/1787509693) |

## What reviewers say

### Jellywatch

[App page](https://appshunter.io/ios/app/jellywatch/id545501733)

This app serves as a global database for monitoring ocean conditions, focusing on jellyfish populations. It empowers citizen scientists to submit observations and photos, contributing to freely accessible data on blooms, red tides, and general marine environments. Species identification is also offered for submitted images.

**Highlights:** Ocean condition monitoring, Jellyfish population tracking, Citizen science reporting, Global data submission, Species identification, Free data access

**Features:** macOS Compatibility

**In-app purchases:** none


### TutorTod

[App page](https://appshunter.io/ios/app/tutortod/id6739931921)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Tutor Sessions | $549.99 | one-time |
| Live Tutor Sessions | $599.99 | one-time |
| Full Course Access | $649.99 | one-time |
| Elite Tutor Classes | $699.99 | one-time |
| Private 1-on-1 | $749.99 | one-time |
| Quick Q&A Help | $799.99 | one-time |
| Learn Flexibly | $849.99 | one-time |
| Verified Tutors | $899.99 | one-time |
| Master Classes | $949.99 | one-time |
| Crash Courses | $999.99 | one-time |


## Frequently asked questions

### Is Jellywatch free?

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

### Is TutorTod free?

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

### Do Jellywatch or TutorTod have ads?

Neither Jellywatch nor TutorTod shows ads.

### Which is updated more often, Jellywatch or TutorTod?

Jellywatch ships an update every 3 months, and TutorTod weekly. Most recently, Jellywatch was updated on October 5, 2026 and TutorTod on October 6, 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.*