# UnLock vs EMI Calculator

The clearest difference is in-app purchases: UnLock at none against EMI Calculator's 1. UnLock also leads on ads (none vs shown). EMI Calculator's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. EMI Calculator sells 1 one-off in-app purchase. UnLock asks for nothing beyond the download.

UnLock ships an update every 11 months, EMI Calculator every 6 months. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | UnLock | EMI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 6 months** |
| Size | 54 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marketlend Pty Ltd](https://appshunter.io/developer/1198147869) | [ADAVII (PVT) LTD](https://appshunter.io/developer/1711708818) |

## What reviewers say

### UnLock

[App page](https://appshunter.io/ios/app/unlock/id1578607699)

**Features:** Apple Wallet

**In-app purchases:** none


### EMI Calculator

[App page](https://appshunter.io/ios/app/emi-calculator/id6738995398)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EMI Pro | $1.99 | one-time |


## Frequently asked questions

### Is UnLock free?

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

### Is EMI Calculator free?

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

### Do UnLock or EMI Calculator have ads?

EMI Calculator shows ads; UnLock does not.

### Which is updated more often, UnLock or EMI Calculator?

UnLock ships an update every 11 months, and EMI Calculator every 6 months. Most recently, UnLock was updated on October 20, 2026 and EMI Calculator on October 28, 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.*