# ImpulseShield vs ThinkTwice

The clearest difference is device support: ImpulseShield at 5 against ThinkTwice's 3. ThinkTwice's advantage is iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ImpulseShield sells 8 one-off in-app purchases and ThinkTwice sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ImpulseShield | ThinkTwice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/impulseshield-curb-the-urge/id6758785002/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 11 MB | 32 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Porter Washington](https://appshunter.io/developer/1874987428) | [Steven Chiffe](https://appshunter.io/developer/1892716366) |

## What reviewers say

### ImpulseShield

[App page](https://appshunter.io/ios/app/impulseshield-curb-the-urge/id6758785002)

**Features:** Apple Watch app

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Snack | $1.99 | one-time |
| Lunch | $2.99 | one-time |
| Generous | $4.99 | one-time |
| ImpulseShield Pro | $4.99 | one-time |
| Very kind | $6.99 | one-time |
| Extremely kind | $9.99 | one-time |
| You shouldn't have | $19.99 | one-time |


### ThinkTwice

[App page](https://appshunter.io/ios/app/thinktwice/id6762063678)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThinkTwice - Monthly Subscription | $1.99 | per month |
| ThinkTwice - Annual Subscription | $17.99 | per year |
| ThinceTwice Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is ImpulseShield free?

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

### Is ThinkTwice free?

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

### Do ImpulseShield or ThinkTwice have ads?

Neither ImpulseShield nor ThinkTwice shows ads.

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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.*