# MoNo vs Simple Trace Pro

The clearest difference is review sentiment: MoNo at 100% against Simple Trace Pro's 0%. MoNo also leads on rating (4.8 vs 3.0) and chart position (#194 vs unranked). Simple Trace Pro's advantage is update cadence (every 2 weeks vs every 25 months). On price, ads, in-app purchases and monetization model there is nothing between them.

MoNo costs $0.99 and Simple Trace Pro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MoNo holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 100% of MoNo's written reviews are positive against 0% of Simple Trace Pro's.

MoNo ships an update every 25 months, Simple Trace Pro every 2 weeks. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | MoNo | Simple Trace Pro |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/mono-convert-to-binary-image/id1575154535/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/simple-trace-pro/id1585591838/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#194** | — |
| Size | 2 MB | 1 MB |
| Requires iOS | **14.0** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) | [Kazuaki Matsuda](https://appshunter.io/developer/1560179759) |

## What reviewers say

### MoNo

[App page](https://appshunter.io/ios/app/mono-convert-to-binary-image/id1575154535)

**Currently charting:** #194 Top Paid · Graphics & Design (US App Store)

Transform your color photos into monochrome images with a retro, Game Boy Pocket Camera aesthetic. This application offers a unique visual style for your pictures.

**Highlights:** Color to monochrome conversion, Retro Game Boy Pocket Camera style, Image transformation, Unique visual filters

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

**In-app purchases:** none


### Simple Trace Pro

[App page](https://appshunter.io/ios/app/simple-trace-pro/id1585591838)

Practice drawing and illustration by tracing photos and images. Load pictures from your camera roll and use Apple Pencil to refine your line work. Save your traced creations as JPGs or transparent PNGs.

**Highlights:** Trace photos and pictures, Practice illustration and painting, Load images from camera roll, Apple Pencil support, Adjustable transmittance, Zoom functionality, Save as JPG or transparent PNG

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MoNo free?

MoNo costs $0.99, with no in-app purchases.

### Is Simple Trace Pro free?

Simple Trace Pro costs $0.99, with no in-app purchases.

### Which has better reviews, MoNo or Simple Trace Pro?

MoNo is rated higher. MoNo averages 4.8 out of 5 from 6 ratings, while Simple Trace Pro averages 3.0 from 2 ratings.

### Do MoNo or Simple Trace Pro have ads?

Neither MoNo nor Simple Trace Pro shows ads.

### Which is updated more often, MoNo or Simple Trace Pro?

MoNo ships an update every 25 months, and Simple Trace Pro every 2 weeks. Most recently, MoNo was updated on October 8, 2026 and Simple Trace Pro on September 27, 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.*