# Optogenetics Pro vs Multiple Timer Widgets

The clearest difference is in-app purchases: Optogenetics Pro at none against Multiple Timer Widgets's 2. Optogenetics Pro also leads on rating (5.0 vs 4.6). Multiple Timer Widgets's advantage is update cadence (monthly vs every 45 months) and ratings volume (14 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Multiple Timer Widgets sells 1 one-off in-app purchase. Optogenetics Pro asks for nothing beyond the download.

Optogenetics Pro holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Multiple Timer Widgets has 14 ratings behind it against 2, so its average is the more settled of the two.

Optogenetics Pro ships an update every 45 months, Multiple Timer Widgets monthly. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Optogenetics Pro | Multiple Timer Widgets |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/optogenetics-pro/id641358148/reviews)** | [4.6 (14 ratings)](https://appshunter.io/ios/app/multiple-timer-widgets-rad/id6461776692/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 91.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 365 MB | 16 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Popneuron Ltd.](https://appshunter.io/developer/569968720) | [Neat Software Co.](https://appshunter.io/developer/1449619229) |

## What reviewers say

### Optogenetics Pro

[App page](https://appshunter.io/ios/app/optogenetics-pro/id641358148)

This tool helps researchers calculate the necessary optical power for optogenetics experiments involving light delivery to deep brain areas. It considers brain region scattering properties, opsin type, and optical fiber characteristics to estimate excitation depth as a function of optical power.

**Highlights:** Calculate required optical power, Estimate opsin excitation depth, Model light scattering in brain tissue, Input brain region properties, Input opsin properties, Input optical fiber properties

**Features:** macOS Compatibility

**In-app purchases:** none


### Multiple Timer Widgets

[App page](https://appshunter.io/ios/app/multiple-timer-widgets-rad/id6461776692)

Manage multiple countdowns and stopwatches simultaneously with customizable timers. Add notes, save presets, and access real-time updates via widgets. Seamlessly import, export, and share your timers.

**Highlights:** Run multiple timers simultaneously, Save and customize timers, Add notes to timers, Count up, count down, or indefinite timers, Desktop widgets for quick access, Import, export, and share timers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro: Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Optogenetics Pro free?

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

### Is Multiple Timer Widgets free?

Multiple Timer Widgets is free to download, with in-app purchases available.

### Which has better reviews, Optogenetics Pro or Multiple Timer Widgets?

Optogenetics Pro is rated higher. Optogenetics Pro averages 5.0 out of 5 from 2 ratings, while Multiple Timer Widgets averages 4.6 from 14 ratings.

### Do Optogenetics Pro or Multiple Timer Widgets have ads?

Neither Optogenetics Pro nor Multiple Timer Widgets shows ads.

### Which is updated more often, Optogenetics Pro or Multiple Timer Widgets?

Optogenetics Pro ships an update every 45 months, and Multiple Timer Widgets monthly. Most recently, Optogenetics Pro was updated on September 20, 2026 and Multiple Timer Widgets on September 15, 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.*