# Zemith vs Approval Studio

The clearest difference is in-app purchases: Approval Studio at none against Zemith's 18. Zemith's advantage is update cadence (every 3 days vs every 10 months) and iOS requirement (15.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Zemith sells 18 in-app purchases, starting at $3.99 per month. Approval Studio asks for nothing beyond the download.

Zemith ships an update every 3 days, Approval Studio every 10 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | Zemith | Approval Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/zemith-ai-chat-and-image-maker/id6746096923/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 months |
| Monetization | Free with in-app purchases | — |
| Size | 100 MB | 3 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevinsjh](https://appshunter.io/developer/1758997305) | [HiTech Service](https://appshunter.io/developer/1124417233) |

## What reviewers say

### Zemith

[App page](https://appshunter.io/ios/app/zemith-ai-chat-and-image-maker/id6746096923)

This app offers a unified platform for multiple AI models, including chatbots like ChatGPT and Gemini, an AI image generator, and various productivity tools such as flashcard creation and document analysis. It aims to consolidate various AI subscriptions into a single, affordable solution for students, professionals, and creators.

**Highlights:** Multiple AI chatbot alternatives, AI image generation, Flashcard and quiz creation, Document to podcast conversion, AI writing and coding assistance, PDF analysis and chat, Image editing tools

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Monthly Subscription | $3.99 | per month |
| Zemith Go Weekly | $4.99 | per 7 days |
| Plus Weekly Subscription | $4.99 | per 7 days |
| Lite Monthly Subscription | $4.99 | per month |
| Lite Monthly Subscription | $5.99 | per month |
| Professional Weekly Subscription | $7.99 | per 7 days |
| Lite Monthly Subscription | $9.99 | per month |
| Plus Monthly Subscription | $15.99 | per month |
| Plus Monthly Subscription | $17.99 | per month |
| Plus Monthly Subscription | $29.99 | per month |
| Pro Monthly Subscription | $35.99 | per month |
| Lite Yearly Subscription | $39.99 | per year |
| Zemith Go Yearly | $79.99 | per year |
| Lite Yearly Subscription | $83.99 | per year |
| Plus Yearly Subscription | $156.99 | per year |
| Plus Yearly Subscription | $179.99 | per year |
| Pro Yearly Subscription | $299.99 | per year |
| On Demand Credits | $9.99 | one-time |


### Approval Studio

[App page](https://appshunter.io/ios/app/approval-studio/id6747336607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zemith free?

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

### Is Approval Studio free?

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

### Do Zemith or Approval Studio have ads?

Neither Zemith nor Approval Studio shows ads.

### Which is updated more often, Zemith or Approval Studio?

Zemith ships an update every 3 days, and Approval Studio every 10 months. Most recently, Zemith was updated on October 28, 2026 and Approval Studio on October 28, 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.*