# Restriction Enzyme Tool vs REBufSel1

The clearest difference is update cadence: Restriction Enzyme Tool at every 8 months against REBufSel1's every 17 months. Restriction Enzyme Tool also leads on device support (3 vs 1) and iOS requirement (9.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

Restriction Enzyme Tool ships an update every 8 months, REBufSel1 every 17 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Restriction Enzyme Tool | REBufSel1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 17 months |
| Size | 9 MB | 1 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Promega Corporation](https://appshunter.io/developer/307546952) | [Terumichi Tanaka](https://appshunter.io/developer/1647312692) |

## What reviewers say

### Restriction Enzyme Tool

[App page](https://appshunter.io/ios/app/restriction-enzyme-tool/id1000803979)

**In-app purchases:** none


### REBufSel1

[App page](https://appshunter.io/ios/app/rebufsel1/id6466390266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Restriction Enzyme Tool free?

Restriction Enzyme Tool is free to download, with no in-app purchases.

### Is REBufSel1 free?

REBufSel1 is free to download, with no in-app purchases.

### Do Restriction Enzyme Tool or REBufSel1 have ads?

Neither Restriction Enzyme Tool nor REBufSel1 shows ads.

### Which is updated more often, Restriction Enzyme Tool or REBufSel1?

Restriction Enzyme Tool ships an update every 8 months, and REBufSel1 every 17 months. Most recently, Restriction Enzyme Tool was updated on October 4, 2026 and REBufSel1 on October 5, 2026.

---

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