# KittyKitty Add Subtract vs #STOPSHOCK

The clearest difference is in-app purchases: #STOPSHOCK at none against KittyKitty Add Subtract's 10. KittyKitty Add Subtract's advantage is update cadence (every 4 days vs fortnightly) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. KittyKitty Add Subtract sells 10 one-off in-app purchases. #STOPSHOCK asks for nothing beyond the download.

KittyKitty Add Subtract ships an update every 4 days, #STOPSHOCK fortnightly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KittyKitty Add Subtract | #STOPSHOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/kittykitty-add-subtract/id1234885830/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 16 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Angry Baby Studios, LLC](https://appshunter.io/developer/1221623027) | [ACADEMY - obcianske zdruzenie](https://appshunter.io/developer/1665391418) |

## What reviewers say

### KittyKitty Add Subtract

[App page](https://appshunter.io/ios/app/kittykitty-add-subtract/id1234885830)

This educational game helps preschoolers and kindergartners master basic addition and subtraction. It offers a unique interactive workspace with animated characters and a reward system to encourage practice and track progress.

**Highlights:** Addition and subtraction practice, Interactive workspace, Progress tracking, Difficulty adjustment, Reward system, Certificates of achievement

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Item Set: Love Angel | $0.99 | one-time |
| Item Set: Naughty Devil | $0.99 | one-time |
| Item Set: Ballerina | $0.99 | one-time |
| Item Set: Cutie Bunny | $0.99 | one-time |
| Item Set: Polka Dot Clown | $0.99 | one-time |
| Item Set: Handsome Man | $0.99 | one-time |
| Item Set: Nerdy Panda | $0.99 | one-time |
| Item Set: Ahoy! Pirate | $0.99 | one-time |
| Item Set: Cool Tomato | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### #STOPSHOCK

[App page](https://appshunter.io/ios/app/stopshock/id1665391416)

**In-app purchases:** none


## Frequently asked questions

### Is KittyKitty Add Subtract free?

KittyKitty Add Subtract is free to download, with in-app purchases available.

### Is #STOPSHOCK free?

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

### Do KittyKitty Add Subtract or #STOPSHOCK have ads?

Neither KittyKitty Add Subtract nor #STOPSHOCK shows ads.

### Which is updated more often, KittyKitty Add Subtract or #STOPSHOCK?

KittyKitty Add Subtract ships an update every 4 days, and #STOPSHOCK fortnightly. Most recently, KittyKitty Add Subtract was updated on October 5, 2026 and #STOPSHOCK on October 7, 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.*