# Habit Light vs CalcGate | App Lock with Math

The clearest difference is update cadence: Habit Light at daily against CalcGate | App Lock with Math's every 3 weeks. Habit Light also leads on iOS requirement (14.0 vs 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.

Habit Light ships an update daily, CalcGate | App Lock with Math every 3 weeks. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Habit Light | CalcGate | App Lock with Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 30 MB | 4 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vinoth Ramajeyam](https://appshunter.io/developer/1665205517) | [HIDEYUKI INAGAKI](https://appshunter.io/developer/1819355611) |

## What reviewers say

### Habit Light

[App page](https://appshunter.io/ios/app/habit-light/id6737453055)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Habit Light free?

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

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

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

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

Neither Habit Light nor CalcGate | App Lock with Math shows ads.

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

Habit Light ships an update daily, and CalcGate | App Lock with Math every 3 weeks. Most recently, Habit Light was updated on September 20, 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.*