# ZkBa vs Gem Genius AI

ZkBa and Gem Genius AI both sit at 3.2 stars, but that hides the real split: 52% of ZkBa's written reviews are positive against 0% of Gem Genius AI's. ZkBa also leads on in-app purchases (none vs 5) and update cadence (every 4 months vs every 24 months). Gem Genius AI's advantage is price ($0.99 vs $1.99). On rating, ads, monetization model and chart position there is nothing between them.

ZkBa costs $1.99 and Gem Genius AI $0.99 up front. Gem Genius AI sells 5 in-app purchases, starting at $4.99 per month. ZkBa asks for nothing beyond the download.

ZkBa holds the better App Store score, 3.2 against 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 52% of ZkBa's written reviews are positive against 0% of Gem Genius AI's.

ZkBa ships an update every 4 months, Gem Genius AI every 24 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZkBa | Gem Genius AI |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/zkba/id1473328266/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/gem-genius-ai/id6636492811/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | **52.4% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 24 months |
| Monetization | Paid | Paid |
| Best chart rank | #87 | **#86** |
| Size | 22 MB | 24 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [树铎 许](https://appshunter.io/developer/1113534896) | [Trisphere Apps LLC](https://appshunter.io/developer/1735581649) |

## What reviewers say

### ZkBa

[App page](https://appshunter.io/ios/app/zkba/id1473328266)

**Currently charting:** #87 Top Paid · Shopping (US App Store)

Discover the latest deals and discounts from major online retailers worldwide. Find high-quality products at bargain prices and enjoy cost-effective online shopping.

**Highlights:** Latest deal alerts, Global e-commerce discounts, High-quality products, Bargain prices, Cost-effective shopping

**Features:** macOS Compatibility

**In-app purchases:** none


### Gem Genius AI

[App page](https://appshunter.io/ios/app/gem-genius-ai/id6636492811)

**Currently charting:** #86 Top Paid · Shopping (US App Store)

This app serves as a comprehensive guide for gemstones and jewelry, offering tools for both professionals and consumers. It provides real-time pricing, certification verification, virtual try-on, and design capabilities for jewelers, alongside educational resources and identification guides for consumers.

**Highlights:** Real-time pricing and market trends, Diamond and gemstone certification scanner, Augmented reality jewelry try-on, Custom jewelry design tools, Diamond education and buyer's guide, Ethical sourcing information

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Genius Premium — Monthly | $4.99 | per month |
| Gem Genius Premium — Yearly | $39.99 | per year |
| Tools — Special Offer | $2.99 | one-time |
| Gem Genius Pro Tools | $4.99 | one-time |
| Gem Genius Premium — Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is ZkBa free?

ZkBa costs $1.99, with no in-app purchases.

### Is Gem Genius AI free?

Gem Genius AI costs $0.99, and also offers in-app purchases.

### Which has better reviews, ZkBa or Gem Genius AI?

ZkBa is rated higher. ZkBa averages 3.2 out of 5 from 6 ratings, while Gem Genius AI averages 3.0 from 2 ratings.

### Do ZkBa or Gem Genius AI have ads?

Neither ZkBa nor Gem Genius AI shows ads.

### Which is updated more often, ZkBa or Gem Genius AI?

ZkBa ships an update every 4 months, and Gem Genius AI every 24 months. Most recently, ZkBa was updated on October 29, 2026 and Gem Genius AI on October 30, 2026.

### Which is more popular, ZkBa or Gem Genius AI?

ZkBa currently peaks at #87 in the App Store charts, and Gem Genius AI at #86. Chart position reflects recent download velocity rather than total install base.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*