# renal summer vs Box Cat Jam

The clearest difference is rating: renal summer at 4.5 against Box Cat Jam's 4.1. renal summer also leads on ads (none vs shown) and review sentiment (68% vs 37%). Box Cat Jam's advantage is ratings volume (1.3K vs 20). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. renal summer sells 2 one-off in-app purchases and Box Cat Jam sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

renal summer holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: Box Cat Jam has 1.3K ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 68% of renal summer's written reviews are positive against 37% of Box Cat Jam's.

renal summer ships an update every 4 days, Box Cat Jam every 3 weeks. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | renal summer | Box Cat Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (20 ratings)](https://appshunter.io/ios/app/renal-summer/id1522191925/reviews)** | [4.1 (1.3K ratings)](https://appshunter.io/ios/app/box-cat-jam/id6477860482/reviews) |
| Number of ratings | 20 | **1.3K** |
| Positive reviews | **68.1% of reviews** | 37.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 317 MB | 411 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [tokoronyori inc.](https://appshunter.io/developer/1086688309) | [ACTIONFIT](https://appshunter.io/developer/1516168822) |

## What reviewers say

### renal summer

[App page](https://appshunter.io/ios/app/renal-summer/id1522191925)

Play as a dog's kidney to extend your dog's life by managing toxins and gaining experience. Interact with colored blocks representing blood to perform kidney functions and influence the dog's remaining time.

**Highlights:** Simulate kidney function, Manage blood toxins, Gain kidney experience, Extend dog's life, Interactive block-breaking gameplay, Monitor dog and owner's life cycle

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ad removal | $1.99 | one-time |
| donation | $1.99 | one-time |


### Box Cat Jam

[App page](https://appshunter.io/ios/app/box-cat-jam/id6477860482)

Engage your mind with a charming block puzzle game featuring adorable cats. Match three identical felines to clear the board and progress through challenging levels. Build cozy cat towers and enjoy relaxing gameplay with cute graphics and animations.

**Highlights:** Match three same cats, Clear the board puzzle, Build cat towers, Challenging stages, Cute cat graphics, Relaxing gameplay

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60 Coins | $0.99 | one-time |
| 150 coins | $1.99 | one-time |
| Bomb Package | $1.99 | one-time |
| endless 01 | $2.99 | one-time |
| Small Piggy bank | $2.99 | one-time |
| Weekend Package | $3.99 | one-time |
| endless 02 | $4.99 | one-time |
| King Cat Bundle | $4.99 | one-time |
| Hard Package | $4.99 | one-time |
| No ads | $7.99 | one-time |
| 650 coins | $7.99 | one-time |
| No ads bundle | $9.99 | one-time |
| Season Pass | $9.99 | one-time |
| 1500 coins | $14.99 | one-time |
| 3500 coins | $29.99 | one-time |

**What reviewers like**

- 💖 Cute and adorable game
- 🎮 Fun and engaging gameplay
- 🕰️ Relaxing and casual experience
- 🐱 Enjoyable cat-themed visuals

**What reviewers complain about**

- 🤖 Excessive and disruptive ads
- 🔒 Locked features behind paywalls
- 🔁 Repetitive and luck-based higher levels
- 🔋 Lives system and energy limitations

**Reported bugs**

- Levels not registering completion properly
- Lives not refreshing as intended
- Sudden redirects to suspicious websites

**Requested features**

- More cat varieties and customization options
- Ability to replay levels without restrictions
- Improved progression system and rewards
- Option to disable ads for a one-time fee


## Frequently asked questions

### Is renal summer free?

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

### Is Box Cat Jam free?

Box Cat Jam is free to download, with in-app purchases available.

### Which has better reviews, renal summer or Box Cat Jam?

renal summer is rated higher. renal summer averages 4.5 out of 5 from 20 ratings, while Box Cat Jam averages 4.1 from 1.3K ratings.

### Do renal summer or Box Cat Jam have ads?

Box Cat Jam shows ads; renal summer does not.

### Which is updated more often, renal summer or Box Cat Jam?

renal summer ships an update every 4 days, and Box Cat Jam every 3 weeks. Most recently, renal summer was updated on October 22, 2026 and Box Cat Jam on October 23, 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.*