# LockIn vs CPTR Calculator

The clearest difference is in-app purchases: CPTR Calculator at none against LockIn's 2. CPTR Calculator also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. LockIn sells 2 in-app purchases, starting at $4.99 per month. CPTR Calculator asks for nothing beyond the download.

## The numbers

| Metric | LockIn | CPTR Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/lockin-study-spots/id6778997194/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Freemium | — |
| Size | 40 MB | 18 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ellen Rapoport](https://appshunter.io/developer/6778997196) | [LOGAN ROCKY LAI](https://appshunter.io/developer/6791381312) |

## What reviewers say

### LockIn

[App page](https://appshunter.io/ios/app/lockin-study-spots/id6778997194)

Discover quiet and productive spaces like cafes, libraries, and coworking spots. Get real-time updates on noise levels, crowdedness, and amenities. Track your focus time and find your ideal work or study environment.

**Highlights:** Live map of study spots, Real-time noise and crowd reports, WiFi and outlet availability, Study session tracker, Trending quiet spots, User-submitted reports, Favorite spot saving

**Features:** Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LockIn Pro Monthly | $4.99 | per month |
| LockIn Pro Yearly | $39.99 | per year |


### CPTR Calculator

[App page](https://appshunter.io/ios/app/cptr-calculator/id6791381310)

**In-app purchases:** none


## Frequently asked questions

### Is LockIn free?

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

### Is CPTR Calculator free?

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

### Do LockIn or CPTR Calculator have ads?

Neither LockIn nor CPTR Calculator 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.*