# CalcGate | App Lock with Math vs SnapOut

The clearest difference is in-app purchases: CalcGate | App Lock with Math at none against SnapOut's 2. CalcGate | App Lock with Math also leads on ads (none vs shown). SnapOut's advantage is update cadence (every 6 days vs every 3 weeks) and iOS requirement (16.4 vs 26.2). On price and device support there is nothing between them.

Both are free to download. SnapOut sells 2 in-app purchases, starting at $0.99 per 7 days. CalcGate | App Lock with Math asks for nothing beyond the download.

CalcGate | App Lock with Math ships an update every 3 weeks, SnapOut every 6 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CalcGate | App Lock with Math | SnapOut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 4 MB | 53 MB |
| Requires iOS | 26.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIDEYUKI INAGAKI](https://appshunter.io/developer/1819355611) | [Inuka Senanayake](https://appshunter.io/developer/1895998450) |

## 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


### SnapOut

[App page](https://appshunter.io/ios/app/snapout-math-app-blocker/id6770075476)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapOut Weekly Subscription | $0.99 | per 7 days |
| SnapOut Annully Subscription | $24.99 | per year |


## 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 SnapOut free?

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

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

SnapOut shows ads; CalcGate | App Lock with Math does not.

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

CalcGate | App Lock with Math ships an update every 3 weeks, and SnapOut every 6 days. Most recently, CalcGate | App Lock with Math was updated on October 25, 2026 and SnapOut on October 31, 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.*