# Optoelectronics vs Biology AI Solver

Optoelectronics and Biology AI Solver are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Optoelectronics sells 6 in-app purchases, starting at $9.99 per month and Biology AI Solver sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Optoelectronics | Biology AI Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biology-ai-solver-solvr/id6762401668/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Subscription |
| Size | 24 MB | 20 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [Yuri Milosh](https://appshunter.io/developer/1690168529) |

## What reviewers say

### Optoelectronics

[App page](https://appshunter.io/ios/app/optoelectronics/id6739937611)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


### Biology AI Solver

[App page](https://appshunter.io/ios/app/biology-ai-solver-solvr/id6762401668)

Instantly solve biology questions and understand complex topics with AI. Snap a photo of diagrams or questions to receive step-by-step explanations, perfect for homework, exam prep, and catching up on difficult concepts.

**Highlights:** Instant AI-powered explanations, Photo recognition for questions/diagrams, Step-by-step learning, Covers genetics, cells, ecology, evolution, Follow-up question capability, Supports school to university level topics

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SOLVR Premium Weekly | $3.99 | per 7 days |
| SOLVR Premium Monthly | $9.99 | per month |
| SOLVR Premium Yearly | $24.99 | per year |
| SOLVR Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Optoelectronics free?

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

### Is Biology AI Solver free?

Biology AI Solver is free to download, with in-app purchases available.

### Do Optoelectronics or Biology AI Solver have ads?

Neither Optoelectronics nor Biology AI Solver shows ads.

### Which is updated more often, Optoelectronics or Biology AI Solver?

Optoelectronics ships an update every 3 months, and Biology AI Solver every 3 months. Most recently, Optoelectronics was updated on October 25, 2026 and Biology AI Solver on October 24, 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.*