# AIVA vs Japer AI

The clearest difference is review sentiment: Japer AI at 73% against AIVA's 0%. Japer AI also leads on rating (4.8 vs 1.0) and ratings volume (571 vs 2). AIVA's advantage is in-app purchases (none vs 12) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Japer AI sells 12 in-app purchases, starting at $6.99 per 7 days. AIVA asks for nothing beyond the download.

Japer AI holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Japer AI has 571 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of AIVA's written reviews are positive against 73% of Japer AI's.

AIVA ships an update every 3 weeks, Japer AI every 2 weeks. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AIVA | Japer AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/aiva/id1609241096/reviews) | **[4.8 (571 ratings)](https://appshunter.io/ios/app/japer-ai-writbot/id1671151816/reviews)** |
| Number of ratings | 2 | **571** |
| Positive reviews | 0.0% of reviews | **72.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 32 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Master Power Technology](https://appshunter.io/developer/1452812961) | [Subhan Dastgeer](https://appshunter.io/developer/1722914219) |

## What reviewers say

### AIVA

[App page](https://appshunter.io/ios/app/aiva/id1609241096)

This system provides real-time monitoring and management for critical power, cooling, and environmental infrastructure across multiple sites. It helps identify potential issues before they cause failures through data trending and offers features for alarm management and task creation for teams.

**Highlights:** Real-time monitoring and alarm notifications, Data logging, trending, and analytics, Alarm creation, management, and escalation, Multi-site health tracking, In-app communication and task collaboration, Data reporting

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

**In-app purchases:** none


### Japer AI

[App page](https://appshunter.io/ios/app/japer-ai-writbot/id1671151816)

This app is a versatile AI writing assistant that helps users generate various types of content, from essays and emails to stories and video scripts. It offers content improvement, plagiarism-free output, and supports over 180 languages with a user-friendly interface.

**Highlights:** Generate blog posts, stories, social media content, Utilize content frameworks like AIDA and PSA, Long-form article and report assistance, Content Improver for refining existing text, Email drafting with engaging subject lines, 100% original and plagiarism-free content, Video script creation, Over 70 industry-specific templates, Support for over 180 languages, Chatbot for real-time writing advice and brainstorming

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Weekly Pro | $6.99 | per 7 days |
| WritBot Premium Access | $7.99 | per month |
| WritBot Premium Access | $8.99 | per month |
| WritBot Premium Access | $9.99 | per month |
| WritBot Premium Access | $11.99 | per month |
| Yearly Plan (Discounted) | $29.99 | per year |
| WritBot Premium | $39.99 | per year |
| WritBot Yearly Access | $39.99 | per year |
| WritBot Premium Access | $40.00 | per year |
| WritBot Premium Access | $53.99 | per year |
| WritBot Premium Access | $59.99 | per year |


## Frequently asked questions

### Is AIVA free?

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

### Is Japer AI free?

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

### Which has better reviews, AIVA or Japer AI?

Japer AI is rated higher. AIVA averages 1.0 out of 5 from 2 ratings, while Japer AI averages 4.8 from 571 ratings.

### Do AIVA or Japer AI have ads?

Japer AI shows ads; AIVA does not.

### Which is updated more often, AIVA or Japer AI?

AIVA ships an update every 3 weeks, and Japer AI every 2 weeks. Most recently, AIVA was updated on October 6, 2026 and Japer AI on October 19, 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.*