# onDiem vs SubstiToothFairy

The clearest difference is review sentiment: SubstiToothFairy at 100% against onDiem's 13%. SubstiToothFairy also leads on rating (5.0 vs 3.8) and monetization model (free vs ad-supported). onDiem's advantage is update cadence (every 2 weeks vs every 6 weeks) and ratings volume (29 vs 6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SubstiToothFairy holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 29 and 6 respectively. Written reviews point the same way: 13% of onDiem's written reviews are positive against 100% of SubstiToothFairy's.

onDiem ships an update every 2 weeks, SubstiToothFairy every 6 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | onDiem | SubstiToothFairy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (29 ratings)](https://appshunter.io/ios/app/ondiem/id6443678592/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/substitoothfairy/id6504783043/reviews)** |
| Number of ratings | **29** | 6 |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 75 MB | 117 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [GigForces, Inc](https://appshunter.io/developer/1648306562) | [SubstiToothFairy LLC](https://appshunter.io/developer/1753839948) |

## What reviewers say

### onDiem

[App page](https://appshunter.io/ios/app/ondiem/id6443678592)

Find and book dental jobs, manage your schedule, and access W-2 benefits. This platform connects dental professionals with opportunities like temporary and permanent positions, offering career guidance and work-life balance.

**Highlights:** Book dental jobs, Set availability calendar, Access W-2 benefits, Explore career options, Find temp and permanent jobs, Nationwide staffing

**Features:** macOS Compatibility

**In-app purchases:** none


### SubstiToothFairy

[App page](https://appshunter.io/ios/app/substitoothfairy/id6504783043)

This service connects dental practices with pre-screened, high-quality dental professionals. It aims to ensure dental offices maintain smooth operations and patient satisfaction by providing reliable staffing solutions. The platform also creates job opportunities for dental staff seeking employment.

**Highlights:** Connects dental practices with staff, Pre-screens dental professionals, Supports offices in PA, DE, MD, NJ, Creates job opportunities for dental staff, Dentist feedback system, Member of American Staffing Association

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is onDiem free?

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

### Is SubstiToothFairy free?

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

### Which has better reviews, onDiem or SubstiToothFairy?

SubstiToothFairy is rated higher. onDiem averages 3.8 out of 5 from 29 ratings, while SubstiToothFairy averages 5.0 from 6 ratings.

### Do onDiem or SubstiToothFairy have ads?

Neither onDiem nor SubstiToothFairy shows ads.

### Which is updated more often, onDiem or SubstiToothFairy?

onDiem ships an update every 2 weeks, and SubstiToothFairy every 6 weeks. Most recently, onDiem was updated on October 8, 2026 and SubstiToothFairy on October 8, 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.*