# OnePetri vs BactiSee

The clearest difference is price: BactiSee at Free against OnePetri's $0.99. BactiSee also leads on rating (5.0 vs 3.0). OnePetri's advantage is ratings volume (8 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

BactiSee is free to download; OnePetri costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BactiSee holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: OnePetri has 8 ratings behind it against 1, so its average is the more settled of the two.

OnePetri ships an update every 6 months, BactiSee every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | OnePetri | BactiSee |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (8 ratings)](https://appshunter.io/ios/app/onepetri/id1576075754/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bactisee/id6455085385/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Paid | **Free** |
| Size | 9 MB | 14 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Shamash](https://appshunter.io/developer/604696747) | [Lili He](https://appshunter.io/developer/1699838322) |

## What reviewers say

### OnePetri

[App page](https://appshunter.io/ios/app/onepetri/id1576075754)

Automate the counting of plaques on petri dishes using AI and computer vision. This app performs common assay calculations and processes images locally on your device for privacy. It supports bacteriophage plaque-based assays with future plans for bacterial CFU counts.

**Highlights:** AI-powered plaque detection, Automated plaque counting, Real-time assay calculations, Local on-device image processing, Supports bacteriophage assays, Open-source code and dataset

**In-app purchases:** none


### BactiSee

[App page](https://appshunter.io/ios/app/bactisee/id6455085385)

This application assists researchers and scientists in counting bacteria from microscope images directly on their device. It offers features for importing, organizing, and processing images with secure, on-device data handling. Seamlessly export analyzed images for integration into scientific workflows and publications.

**Highlights:** Microscope image import, Intuitive renaming and search, ImageJ.JS integration for analysis, Secure on-device data storage, Seamless image export, Minimalist user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnePetri free?

OnePetri costs $0.99, with no in-app purchases.

### Is BactiSee free?

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

### Which has better reviews, OnePetri or BactiSee?

BactiSee is rated higher. OnePetri averages 3.0 out of 5 from 8 ratings, while BactiSee averages 5.0 from 1 ratings.

### Do OnePetri or BactiSee have ads?

Neither OnePetri nor BactiSee shows ads.

### Which is updated more often, OnePetri or BactiSee?

OnePetri ships an update every 6 months, and BactiSee every 7 months. Most recently, OnePetri was updated on November 3, 2026 and BactiSee on November 3, 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.*