# GPS Lm3d vs CallApp

The clearest difference is in-app purchases: GPS Lm3d at none against CallApp's 13. GPS Lm3d also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.2). CallApp's advantage is update cadence (fortnightly vs every 11 months). On price and device support there is nothing between them.

Both are free to download. CallApp sells 8 in-app purchases, starting at $6.99 per month. GPS Lm3d asks for nothing beyond the download.

GPS Lm3d ships an update every 11 months, CallApp fortnightly. The most recent releases landed on May 16, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | GPS Lm3d | CallApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (715 ratings)](https://appshunter.io/ios/app/callapp/id6739289261/reviews)** |
| Number of ratings | — | **715** |
| Positive reviews | — | 56.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 236 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Datasoft Ltda.](https://appshunter.io/developer/1035131285) | [CallApp](https://appshunter.io/developer/1784700170) |

## What reviewers say

### GPS Lm3d

[App page](https://appshunter.io/ios/app/gps-lm3d/id1597492854)

**Features:** macOS Compatibility

**In-app purchases:** none


### CallApp

[App page](https://appshunter.io/ios/app/callapp/id6739289261)

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

**Highlights:** Advanced caller ID, Identify unknown numbers, Block spam calls, Global number database, Privacy and security focused, Unwanted call protection

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $29.99 | per year |
| Yearly | $29.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is GPS Lm3d free?

GPS Lm3d is free to download, with no in-app purchases.

### Is CallApp free?

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

### Do GPS Lm3d or CallApp have ads?

CallApp shows ads; GPS Lm3d does not.

### Which is updated more often, GPS Lm3d or CallApp?

GPS Lm3d ships an update every 11 months, and CallApp fortnightly. Most recently, GPS Lm3d was updated on May 16, 2026 and CallApp on September 25, 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.*