# A+ Writing Prompts vs String AI

The clearest difference is price: String AI at Free against A+ Writing Prompts's $3.99. String AI also leads on update cadence (every 2 weeks vs every 4 months) and rating (4.2 vs 3.9). A+ Writing Prompts's advantage is in-app purchases (none vs 4) and iOS requirement (8.0 vs 15.1). On ratings volume, ads and device support there is nothing between them.

String AI is free to download; A+ Writing Prompts costs $3.99 up front. String AI sells 4 in-app purchases, starting at $14.99 per month. A+ Writing Prompts asks for nothing beyond the download.

String AI holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews point the same way: 60% of A+ Writing Prompts's written reviews are positive against 80% of String AI's.

A+ Writing Prompts ships an update every 4 months, String AI every 2 weeks. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | A+ Writing Prompts | String AI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/a-plus-writing-prompts/id474140368/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/string-ai-strings-practice/id6787829281/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | 60.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 20 MB | 95 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [21x20 Media, Inc.](https://appshunter.io/developer/316524752) | [Youna Choi](https://appshunter.io/developer/6787829283) |

## What reviewers say

### A+ Writing Prompts

[App page](https://appshunter.io/ios/app/a-plus-writing-prompts/id474140368)

This app provides an endless supply of creative writing inspiration for students and teachers. It features multiple prompt generators and a large database of text prompts, all accessible offline. Users can save favorite prompts and easily navigate through them.

**Highlights:** Endless creative writing prompts, Multiple prompt generators (Scenes, Words, News, etc.), Database of 600+ text prompts, Save favorite prompts, Offline access, Supports portrait and landscape

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

**In-app purchases:** none


### String AI

[App page](https://appshunter.io/ios/app/string-ai-strings-practice/id6787829281)

This AI-powered coach provides real-time feedback on your violin, viola, or cello practice, analyzing intonation, rhythm, tone, dynamics, and posture. It structures your sessions like a lesson, diagnoses issues, and prescribes targeted drills to improve your playing habits.

**Highlights:** Real-time note and form analysis, Five-axis scoring (intonation, rhythm, tone, dynamics, posture), Instrument-specific feedback for violin, viola, cello, Personalized practice session planning, Targeted drills for weak spots, Optional teacher integration for progress sharing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $14.99 | per month |
| Casual | $29.99 | per month |
| Standard | $44.99 | per month |
| Pro | $59.99 | per month |


## Frequently asked questions

### Is A+ Writing Prompts free?

A+ Writing Prompts costs $3.99, with no in-app purchases.

### Is String AI free?

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

### Which has better reviews, A+ Writing Prompts or String AI?

String AI is rated higher. A+ Writing Prompts averages 3.9 out of 5 from 9 ratings, while String AI averages 4.2 from 5 ratings.

### Do A+ Writing Prompts or String AI have ads?

Neither A+ Writing Prompts nor String AI shows ads.

### Which is updated more often, A+ Writing Prompts or String AI?

A+ Writing Prompts ships an update every 4 months, and String AI every 2 weeks. Most recently, A+ Writing Prompts was updated on October 13, 2026 and String AI on October 12, 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.*