# Stop Doomscrolling vs CalcGate | App Lock with Math

The clearest difference is in-app purchases: CalcGate | App Lock with Math at none against Stop Doomscrolling's 4. Stop Doomscrolling's advantage is update cadence (every 9 days vs every 3 weeks) and iOS requirement (16.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Stop Doomscrolling sells 4 in-app purchases, starting at $4.99 per 7 days. CalcGate | App Lock with Math asks for nothing beyond the download.

Stop Doomscrolling ships an update every 9 days, CalcGate | App Lock with Math every 3 weeks. The most recent releases landed on June 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Stop Doomscrolling | CalcGate | App Lock with Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 20 MB | 4 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Arrpit Tiwari](https://appshunter.io/developer/1854495969) | [HIDEYUKI INAGAKI](https://appshunter.io/developer/1819355611) |

## What reviewers say

### Stop Doomscrolling

[App page](https://appshunter.io/ios/app/stop-doomscrolling-mathunlock/id6758373394)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |
| Lifetime | $19.99 | one-time |


### CalcGate | App Lock with Math

[App page](https://appshunter.io/ios/app/calcgate-app-lock-with-math/id6762510886)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stop Doomscrolling free?

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

### Is CalcGate | App Lock with Math free?

CalcGate | App Lock with Math is free to download, with no in-app purchases.

### Do Stop Doomscrolling or CalcGate | App Lock with Math have ads?

Neither Stop Doomscrolling nor CalcGate | App Lock with Math shows ads.

### Which is updated more often, Stop Doomscrolling or CalcGate | App Lock with Math?

Stop Doomscrolling ships an update every 9 days, and CalcGate | App Lock with Math every 3 weeks. Most recently, Stop Doomscrolling was updated on June 8, 2026 and CalcGate | App Lock with Math on September 12, 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.*