# SIMPL3D vs SeeLeveL Sync

The clearest difference is rating: SeeLeveL Sync at 2.4 against SIMPL3D's 1.0. SeeLeveL Sync also leads on in-app purchases (none vs 1) and ratings volume (5 vs 1). SIMPL3D's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (10 vs 13.4). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. SIMPL3D sells 1 one-off in-app purchase. SeeLeveL Sync asks for nothing beyond the download.

SeeLeveL Sync holds the better App Store score, 2.4 against 1.0. That said, the two scores are not equally well evidenced: SeeLeveL Sync has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

SIMPL3D ships an update every 10 days, SeeLeveL Sync every 2 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SIMPL3D | SeeLeveL Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/simpl3d/id1103739391/reviews) | **[2.4 (5 ratings)](https://appshunter.io/ios/app/seelevel-sync/id6451456679/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 106 MB | 25 MB |
| Requires iOS | **10** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Indicia Group](https://appshunter.io/developer/454718862) | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) |

## What reviewers say

### SIMPL3D

[App page](https://appshunter.io/ios/app/simpl3d/id1103739391)

Design and create 3D models with an intuitive interface, no prior skills needed. Publish your creations to a community site and get instant feedback with live rendering.

**Highlights:** 3D model creation, Intuitive design interface, Live rendering feedback, Community publishing, No creative skills required

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SIMPL3D coins | $0.99 | one-time |


### SeeLeveL Sync

[App page](https://appshunter.io/ios/app/seelevel-sync/id6451456679)

Monitor your RV's fresh water, grey water, black water, and LPG tank levels in real-time. Customize tank names, colors, and set alarms for low or high levels. Connects via Bluetooth to compatible SeeLeveL II tank monitors.

**Highlights:** Real-time tank level monitoring, Customizable tank names and colors, Low and high level tank alarms, Bluetooth connectivity, Graphical and percentage display, Home Screen widget support

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

**In-app purchases:** none


## Frequently asked questions

### Is SIMPL3D free?

SIMPL3D is free to download, with in-app purchases available.

### Is SeeLeveL Sync free?

SeeLeveL Sync is free to download, with no in-app purchases.

### Which has better reviews, SIMPL3D or SeeLeveL Sync?

SeeLeveL Sync is rated higher. SIMPL3D averages 1.0 out of 5 from 1 ratings, while SeeLeveL Sync averages 2.4 from 5 ratings.

### Do SIMPL3D or SeeLeveL Sync have ads?

Neither SIMPL3D nor SeeLeveL Sync shows ads.

### Which is updated more often, SIMPL3D or SeeLeveL Sync?

SIMPL3D ships an update every 10 days, and SeeLeveL Sync every 2 months. Most recently, SIMPL3D was updated on October 3, 2026 and SeeLeveL Sync on October 9, 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.*