# Ply Expert vs Prompt Optimizer

The clearest difference is in-app purchases: Ply Expert at none against Prompt Optimizer's 5. Ply Expert also leads on iOS requirement (11.0 vs 13.0). Prompt Optimizer's advantage is update cadence (every 4 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Prompt Optimizer sells 5 in-app purchases, starting at $2.99 per month. Ply Expert asks for nothing beyond the download.

Ply Expert ships an update monthly, Prompt Optimizer every 4 days. The most recent releases landed on September 14, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Ply Expert | Prompt Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 66 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ABACUS DESK IT SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1460244190) | [VideoMeet Private Limited](https://appshunter.io/developer/1588056376) |

## What reviewers say

### Ply Expert

[App page](https://appshunter.io/ios/app/ply-expert/id6749299708)

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

**In-app purchases:** none


### Prompt Optimizer

[App page](https://appshunter.io/ios/app/prompt-optimizer/id6760383819)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $2.99 | per month |
| Pro - Quarterly | $9.99 | per 3 months |
| Starter - 30 Credits | $0.99 | one-time |
| Growth - 75 Credits | $1.99 | one-time |
| Pro Pack - 180 Credits | $3.99 | one-time |


## Frequently asked questions

### Is Ply Expert free?

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

### Is Prompt Optimizer free?

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

### Do Ply Expert or Prompt Optimizer have ads?

Neither Ply Expert nor Prompt Optimizer shows ads.

### Which is updated more often, Ply Expert or Prompt Optimizer?

Ply Expert ships an update monthly, and Prompt Optimizer every 4 days. Most recently, Ply Expert was updated on September 14, 2026 and Prompt Optimizer on September 6, 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.*