# MermaidEditor vs do over

The clearest difference is rating: do over at 5.0 against MermaidEditor's 2.3. MermaidEditor's advantage is ratings volume (10 vs 1) and chart position (#108 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

MermaidEditor costs $3.99 and do over $5.00 up front. Neither carries in-app purchases, so what you see is what you pay.

do over holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: MermaidEditor has 10 ratings behind it against 1, so its average is the more settled of the two.

MermaidEditor ships an update every 3 weeks, do over fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MermaidEditor | do over |
| --- | --- | --- |
| Price | **$3.99** | $5.00 |
| Rating | [2.3 (10 ratings)](https://appshunter.io/ios/app/mermaideditor/id1581312955/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/do-over-text-permutations/id1618131760/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 13.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | Paid |
| Best chart rank | **#108** | — |
| Size | 125 MB | 1 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [基伟 徐](https://appshunter.io/developer/391905315) | [Richard Koopmann](https://appshunter.io/developer/917071370) |

## What reviewers say

### MermaidEditor

[App page](https://appshunter.io/ios/app/mermaideditor/id1581312955)

**Currently charting:** #108 Top Paid · Developer Tools (US App Store)

Create and edit diagrams and charts using mermaid-js syntax with real-time preview. Export your creations as PNG or SVG files and share them across all your Apple devices.

**Highlights:** Mermaid-js syntax highlighting, Code completion, Instant preview, Export to PNG/SVG, Cross-device editing, QuickLook preview extension

**Features:** Vision Pro support

**In-app purchases:** none


### do over

[App page](https://appshunter.io/ios/app/do-over-text-permutations/id1618131760)

This tool allows for real-time text manipulation and template merging. Easily substitute values and placeholders to see how your merged content will appear instantly. It supports multi-step substitutions for complex text generation needs.

**Highlights:** Real-time template text changes, Customizable placeholder usage, Preview merged results, Multi-step substitutions, List of values input, Template input

**In-app purchases:** none


## Frequently asked questions

### Is MermaidEditor free?

MermaidEditor costs $3.99, with no in-app purchases.

### Is do over free?

do over costs $5.00, with no in-app purchases.

### Which has better reviews, MermaidEditor or do over?

do over is rated higher. MermaidEditor averages 2.3 out of 5 from 10 ratings, while do over averages 5.0 from 1 ratings.

### Do MermaidEditor or do over have ads?

Neither MermaidEditor nor do over shows ads.

### Which is updated more often, MermaidEditor or do over?

MermaidEditor ships an update every 3 weeks, and do over fortnightly. Most recently, MermaidEditor was updated on November 3, 2026 and do over on October 30, 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.*