# SyncML LITE 4 vs LetsGeo

The clearest difference is in-app purchases: SyncML LITE 4 at none against LetsGeo's 1. SyncML LITE 4 also leads on device support (3 vs 1) and iOS requirement (10.0 vs 18.6). LetsGeo's advantage is update cadence (weekly vs every 26 months). On price and ads there is nothing between them.

Both are free to download. LetsGeo sells 1 in-app purchase, starting at $4.99 per month. SyncML LITE 4 asks for nothing beyond the download.

SyncML LITE 4 ships an update every 26 months, LetsGeo weekly. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SyncML LITE 4 | LetsGeo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (3 ratings)](https://appshunter.io/ios/app/syncml-lite-4/id1170925516/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Weekly** |
| Monetization | Free | — |
| Size | 6 MB | 77 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Zeller](https://appshunter.io/developer/299521020) | [Letsmine SIA](https://appshunter.io/developer/1838292444) |

## What reviewers say

### SyncML LITE 4

[App page](https://appshunter.io/ios/app/syncml-lite-4/id1170925516)

This app synchronizes iOS contacts with servers using the legacy SyncML standard. It's designed for users who specifically need this older technology, often recommended by IT departments. It can also act as a local SyncML server for older devices.

**Highlights:** Contacts-only synchronization, SyncML engine, Syncs selected iOS contact stores, Acts as local SyncML server, Assign/remove contact group membership

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

**In-app purchases:** none


### LetsGeo

[App page](https://appshunter.io/ios/app/letsgeo/id6755918405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Monthly | $4.99 | per month |


## Frequently asked questions

### Is SyncML LITE 4 free?

SyncML LITE 4 is free to download, with no in-app purchases.

### Is LetsGeo free?

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

### Do SyncML LITE 4 or LetsGeo have ads?

Neither SyncML LITE 4 nor LetsGeo shows ads.

### Which is updated more often, SyncML LITE 4 or LetsGeo?

SyncML LITE 4 ships an update every 26 months, and LetsGeo weekly. Most recently, SyncML LITE 4 was updated on October 5, 2026 and LetsGeo on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*