# Tester vs Simple Sequence Diagram AI

The clearest difference is update cadence: Tester at every 2 days against Simple Sequence Diagram AI's every 2 weeks. Tester also leads on chart position (#142 vs unranked). Simple Sequence Diagram AI's advantage is iOS requirement (15.6 vs 18.7). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tester sells 7 in-app purchases, starting at $0.99 per 7 days and Simple Sequence Diagram AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Tester ships an update every 2 days, Simple Sequence Diagram AI every 2 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Tester | Simple Sequence Diagram AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (587 ratings)](https://appshunter.io/ios/app/tester-super-intelligence/id1575521212/reviews)** | — |
| Number of ratings | **587** | — |
| Positive reviews | 89.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free | — |
| Best chart rank | **#142** | — |
| Size | 76 MB | 55 MB |
| Requires iOS | 18.7 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FJEDI](https://appshunter.io/developer/1740595411) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### Tester

[App page](https://appshunter.io/ios/app/tester-super-intelligence/id1575521212)

**Currently charting:** #142 Top Free · Developer Tools (US App Store)

Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.

**Highlights:** Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS APIs, Powerful GraphQL editor with query, mutation, subscription support, WebSocket testing tool for WS and WSS connections, Flexible request data encoding and transfer types, Import requests from curl, links, or files (Swagger, OpenAPI, Postman), One-tap request sharing via deep link or cURL command, Apple Watch app for sending requests from your wrist

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tester Go Weekly | $0.99 | per 7 days |
| Tester Go Monthly | $4.99 | per month |
| Tester Plus Monthly | $7.99 | per month |
| Tester Pro Monthly | $19.99 | per month |
| Tester Plus Yearly | $79.99 | per year |
| Tester Pro Yearly | $200.00 | per year |
| Tester Plus Lifetime | $89.99 | one-time |

**What reviewers like**

- 👍 User-friendly and modern UI
- 🚀 Comprehensive and intuitive
- 🔓 No in-app purchases
- 🛠️ All-in-one dev tool
- 💡 Shortcuts integration

**What reviewers complain about**

- 🐛 Crashes and data loss after updates
- 🔍 Lack of cloud backup/sync
- 🔧 Difficult to manage requests/collections
- 🖱️ Editing issues with long keys
- 🌐 No IPv6 support

**Reported bugs**

- Deleting all saved requests after updates
- App launching to a black screen
- Shortcuts integration not working as expected

**Requested features**

- Add support for environment variables
- Implement folders/collections management
- Allow exporting/importing data as JSON
- Provide more Shortcuts actions
- Add ability to change app icon


### Simple Sequence Diagram AI

[App page](https://appshunter.io/ios/app/simple-sequence-diagram-ai/id6711357061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Sequence Flow Pro (Monthly) | $4.99 | per month |
| Simple Sequence Flow Pro (Annual) | $44.99 | per year |


## Frequently asked questions

### Is Tester free?

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

### Is Simple Sequence Diagram AI free?

Simple Sequence Diagram AI is free to download, with in-app purchases available.

### Do Tester or Simple Sequence Diagram AI have ads?

Neither Tester nor Simple Sequence Diagram AI shows ads.

### Which is updated more often, Tester or Simple Sequence Diagram AI?

Tester ships an update every 2 days, and Simple Sequence Diagram AI every 2 weeks. Most recently, Tester was updated on October 24, 2026 and Simple Sequence Diagram 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.*