# BM Counter vs SBTMO

The clearest difference is ads: SBTMO at none against BM Counter's shown. SBTMO also leads on update cadence (every 3 months vs every 72 months). BM Counter's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

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

BM Counter ships an update every 72 months, SBTMO every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | BM Counter | SBTMO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/bm-counter/id1360631254/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 72 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 54 MB | 66 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuyoshi Sasaoka](https://appshunter.io/developer/1348313140) | [Itarget Tecnologia](https://appshunter.io/developer/916261242) |

## What reviewers say

### BM Counter

[App page](https://appshunter.io/ios/app/bm-counter/id1360631254)

This app assists in counting bone marrow cells for clinical work in animal hospitals. It features touch-based counting with undo functionality and data archiving. Users can choose between vibration and sound notifications for a tactile counting experience.

**Highlights:** Touch cell button for counting, Count up & count down modes, Notifications at 100, 200, 500, 1000 counts, Undo last 3 counts, Archive count data, Vibration and/or sound feedback

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

**In-app purchases:** none


### SBTMO

[App page](https://appshunter.io/ios/app/sbtmo/id6748769903)

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

**In-app purchases:** none


## Frequently asked questions

### Is BM Counter free?

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

### Is SBTMO free?

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

### Do BM Counter or SBTMO have ads?

BM Counter shows ads; SBTMO does not.

### Which is updated more often, BM Counter or SBTMO?

BM Counter ships an update every 72 months, and SBTMO every 3 months. Most recently, BM Counter was updated on September 18, 2026 and SBTMO on September 10, 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.*