# OLM Marker vs VT

OLM Marker and VT are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OLM Marker ships an update every 3 weeks, VT monthly. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OLM Marker | VT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (19 ratings)](https://appshunter.io/ios/app/vt-smas/id1637839048/reviews)** |
| Number of ratings | — | **19** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 8 MB | 75 MB |
| Requires iOS | 13.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tho Ha Duc](https://appshunter.io/developer/1636633233) | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) |

## What reviewers say

### OLM Marker

[App page](https://appshunter.io/ios/app/olm-marker/id1636633231)

**Features:** macOS Compatibility

**In-app purchases:** none


### VT

[App page](https://appshunter.io/ios/app/vt-smas/id1637839048)

This mobile application helps manage school operations for Vietnamese high schools. It allows for the management of classes, students, and schedules, along with communication features for teachers and parents. Users can also receive school announcements.

**Highlights:** Class management, Student management, Timetable management, Teacher-parent messaging, School announcements

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

**In-app purchases:** none


## Frequently asked questions

### Is OLM Marker free?

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

### Is VT free?

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

### Do OLM Marker or VT have ads?

Neither OLM Marker nor VT shows ads.

### Which is updated more often, OLM Marker or VT?

OLM Marker ships an update every 3 weeks, and VT monthly. Most recently, OLM Marker was updated on October 7, 2026 and VT on October 21, 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.*