# PromptLingo vs PromptFluent

The clearest difference is in-app purchases: PromptFluent at none against PromptLingo's 1. PromptFluent also leads on iOS requirement (15.0 vs 17.6). PromptLingo's advantage is update cadence (every 3 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. PromptLingo sells 1 one-off in-app purchase. PromptFluent asks for nothing beyond the download.

PromptLingo ships an update every 3 days, PromptFluent every 3 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PromptLingo | PromptFluent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 8 MB | 38 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frank Otto](https://appshunter.io/developer/1769347442) | [Blueinstinct App Solutions](https://appshunter.io/developer/304880823) |

## What reviewers say

### PromptLingo

[App page](https://appshunter.io/ios/app/promptlingo/id6757746422)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


### PromptFluent

[App page](https://appshunter.io/ios/app/promptfluent-learn-ai/id6760666003)

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

**In-app purchases:** none


## Frequently asked questions

### Is PromptLingo free?

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

### Is PromptFluent free?

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

### Do PromptLingo or PromptFluent have ads?

Neither PromptLingo nor PromptFluent shows ads.

### Which is updated more often, PromptLingo or PromptFluent?

PromptLingo ships an update every 3 days, and PromptFluent every 3 months. Most recently, PromptLingo was updated on October 28, 2026 and PromptFluent on October 31, 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.*