# CalcGate | App Lock with Math vs LockBuddy

The clearest difference is iOS requirement: LockBuddy at 16.0 against CalcGate | App Lock with Math's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CalcGate | App Lock with Math | LockBuddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 26.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIDEYUKI INAGAKI](https://appshunter.io/developer/1819355611) | [KRISHNA PINNAMANENI](https://appshunter.io/developer/1880298048) |

## What reviewers say

### 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


### LockBuddy

[App page](https://appshunter.io/ios/app/lockbuddy-screen-time-lock/id6785063991)

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is LockBuddy free?

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

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

Neither CalcGate | App Lock with Math nor LockBuddy 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.*