# @BactLAB vs ScrollToll

The clearest difference is review sentiment: ScrollToll at 74% against @BactLAB's 0%. ScrollToll also leads on rating (4.8 vs 1.7) and update cadence (every 5 days vs every 2 months). @BactLAB's advantage is in-app purchases (none vs 8) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. ScrollToll sells 8 in-app purchases, starting at $4.49 per 7 days. @BactLAB asks for nothing beyond the download.

ScrollToll holds the better App Store score, 4.8 against 1.7. That said, the two scores are not equally well evidenced: ScrollToll has 780 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 0% of @BactLAB's written reviews are positive against 74% of ScrollToll's.

@BactLAB ships an update every 2 months, ScrollToll every 5 days. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | @BactLAB | ScrollToll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/bactlab/id1413728981/reviews) | **[4.8 (780 ratings)](https://appshunter.io/ios/app/scrolltoll-exam-app-blocker/id6757320347/reviews)** |
| Number of ratings | 6 | **780** |
| Positive reviews | 0.0% of reviews | **74.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 178 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Shimadzu Diagnostics Corporation](https://appshunter.io/developer/1413728860) | [North Star Labs LLC](https://appshunter.io/developer/1866059343) |

## What reviewers say

### @BactLAB

[App page](https://appshunter.io/ios/app/bactlab/id1413728981)

Easily count bacterial colonies on food safety test plates using your smartphone. This app leverages AI and cloud technology to promote operational efficiency and improve quality of life for those involved in food health and safety.

**Highlights:** AI-powered colony counting, Cloud storage for count data, Count report generation (PDF/email), Supports multiple CompactDry™ test types, Arbitrary adjustment function for counts

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

**In-app purchases:** none


### ScrollToll

[App page](https://appshunter.io/ios/app/scrolltoll-exam-app-blocker/id6757320347)

This app transforms your daily phone usage into productive study sessions. It locks distracting apps behind quick knowledge checks, leveraging spaced repetition to reinforce learning. Earn your access to social media and other apps by answering questions on topics you're studying.

**Highlights:** OS-level app blocking, Spaced repetition learning, Automatic 5-minute relock, MCAT, USMLE, math, chess, vocabulary packs, Customizable app blocking, On-device puzzle delivery

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access | $4.49 | per 7 days |
| Weekly Pro Access | $6.99 | per 7 days |
| Student Monthly | $8.99 | per month |
| Monthly Pro Access | $9.99 | per month |
| Student Yearly | $44.99 | per year |
| Yearly Pro | $49.99 | per year |
| Annual Pro Student | $59.99 | per year |
| Annual Pro | $69.99 | per year |


## Frequently asked questions

### Is @BactLAB free?

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

### Is ScrollToll free?

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

### Which has better reviews, @BactLAB or ScrollToll?

ScrollToll is rated higher. @BactLAB averages 1.7 out of 5 from 6 ratings, while ScrollToll averages 4.8 from 780 ratings.

### Do @BactLAB or ScrollToll have ads?

Neither @BactLAB nor ScrollToll shows ads.

### Which is updated more often, @BactLAB or ScrollToll?

@BactLAB ships an update every 2 months, and ScrollToll every 5 days. Most recently, @BactLAB was updated on October 3, 2026 and ScrollToll on October 22, 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.*