# Whale training vs Sum Loop

The clearest difference is rating: Sum Loop at 5.0 against Whale training's 4.5. Whale training's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Sum Loop sells 1 one-off in-app purchase. Whale training asks for nothing beyond the download.

Sum Loop holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Whale training ships an update every 6 weeks, Sum Loop every 4 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Whale training | Sum Loop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/whale-training/id1549936471/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-loop/id6447087917/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 178 MB | 9 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M kajimura](https://appshunter.io/developer/1138663828) | [Goro Sato](https://appshunter.io/developer/412448991) |

## What reviewers say

### Whale training

[App page](https://appshunter.io/ios/app/whale-training/id1549936471)

Care for a virtual pet whale, feeding it fish and cleaning its tank. Enjoy a peaceful viewing mode, take photos, and track your whale's growth. Perfect for those who love marine life or miss aquarium visits.

**Highlights:** Virtual whale care, Feeding mechanics, Viewing mode, Photography, Pet growth tracking, SNS sharing

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

**In-app purchases:** none


### Sum Loop

[App page](https://appshunter.io/ios/app/sum-loop/id6447087917)

A challenging puzzle game where players place blocks into overlapping loops to match displayed sums. Offers multiple solutions for each puzzle, providing replayability. Designed for quick, engaging gameplay.

**Highlights:** Match sums in overlapping loops, Place blocks to solve puzzles, Multiple solutions per puzzle, Challenging gameplay, Intuitive block placement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Whale training free?

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

### Is Sum Loop free?

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

### Which has better reviews, Whale training or Sum Loop?

Sum Loop is rated higher. Whale training averages 4.5 out of 5 from 2 ratings, while Sum Loop averages 5.0 from 1 ratings.

### Do Whale training or Sum Loop have ads?

Both Whale training and Sum Loop show ads.

### Which is updated more often, Whale training or Sum Loop?

Whale training ships an update every 6 weeks, and Sum Loop every 4 months. Most recently, Whale training was updated on October 4, 2026 and Sum Loop on October 2, 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.*