# Lock vs ExpendoX

The clearest difference is in-app purchases: Lock at none against ExpendoX's 4. Lock also leads on update cadence (every 2 weeks vs every 3 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ExpendoX sells 4 in-app purchases, starting at $5.99 per month. Lock asks for nothing beyond the download.

Lock ships an update every 2 weeks, ExpendoX every 3 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lock | ExpendoX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lock-in-focused-studying/id6756578827/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 43 MB | 36 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Azizbek Zaylobiddinov](https://appshunter.io/developer/1861525386) | [TANGENIX PRIVATE LIMITED](https://appshunter.io/developer/1896291893) |

## What reviewers say

### Lock

[App page](https://appshunter.io/ios/app/lock-in-focused-studying/id6756578827)

This app helps users focus on tasks using timed study sessions, fostering accountability through shared progress and group grinding. It aims to transform screen time into productive output.

**Highlights:** Pomodoro study sessions, Group study grinding, Progress sharing, Accountability features, Screen time to productivity conversion

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

**In-app purchases:** none


### ExpendoX

[App page](https://appshunter.io/ios/app/expendox/id6766461457)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ExpendoX Pro Monthly | $5.99 | per month |
| ExpendoX Unlimited Monthly | $9.99 | per month |
| ExpendoX Pro Yearly | $49.99 | per year |
| ExpendoX Unlimited yearly | $79.99 | per year |


## Frequently asked questions

### Is Lock free?

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

### Is ExpendoX free?

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

### Do Lock or ExpendoX have ads?

Neither Lock nor ExpendoX shows ads.

### Which is updated more often, Lock or ExpendoX?

Lock ships an update every 2 weeks, and ExpendoX every 3 months. Most recently, Lock was updated on October 9, 2026 and ExpendoX on October 5, 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.*