# RDA Dental Assistant Exam Prep vs Tooth Sleuth

The clearest difference is update cadence: Tooth Sleuth at every 3 weeks against RDA Dental Assistant Exam Prep's every 9 months. RDA Dental Assistant Exam Prep's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RDA Dental Assistant Exam Prep sells 9 in-app purchases, starting at $8.99 per 7 days and Tooth Sleuth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RDA Dental Assistant Exam Prep ships an update every 9 months, Tooth Sleuth every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RDA Dental Assistant Exam Prep | Tooth Sleuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (20 ratings)](https://appshunter.io/ios/app/tooth-sleuth/id6748571321/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 53 MB | 14 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Andrew Margarit](https://appshunter.io/developer/1826362583) |

## What reviewers say

### RDA Dental Assistant Exam Prep

[App page](https://appshunter.io/ios/app/rda-dental-assistant-exam-prep/id6478512997)

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RDA Weekly Full Access | $8.99 | per 7 days |
| RDA Monthly Full Access | $24.99 | per month |
| RDA Monthly Full Access | $24.99 | per month |
| RDA Quarterly Full Access | $55.99 | per 3 months |
| RDA Quarterly Full Access | $55.99 | per 3 months |
| RDA Semiannual Full Access | $75.99 | per 6 months |
| RDA Semiannual Full Access | $75.99 | per 6 months |
| RDA Annual Full Access | $109.99 | per year |
| RDA Annual Full Access | $109.99 | per year |


### Tooth Sleuth

[App page](https://appshunter.io/ios/app/tooth-sleuth/id6748571321)

Master dental identification with this interactive game designed by dental educators. Practice tooth numbering systems and anatomical names through engaging gameplay modes. Ideal for dental students preparing for exams and clinical practice.

**Highlights:** Interactive tooth identification, Clinician Mode (12:00 rotation), Multiple game modes (Timed, Survival, Practice), Adult and primary dentition, Universal, Palmer, FDI numbering systems, Leaderboard for schools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $3.99 | one-time |


## Frequently asked questions

### Is RDA Dental Assistant Exam Prep free?

RDA Dental Assistant Exam Prep is free to download, with in-app purchases available.

### Is Tooth Sleuth free?

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

### Do RDA Dental Assistant Exam Prep or Tooth Sleuth have ads?

Neither RDA Dental Assistant Exam Prep nor Tooth Sleuth shows ads.

### Which is updated more often, RDA Dental Assistant Exam Prep or Tooth Sleuth?

RDA Dental Assistant Exam Prep ships an update every 9 months, and Tooth Sleuth every 3 weeks. Most recently, RDA Dental Assistant Exam Prep was updated on October 14, 2026 and Tooth Sleuth on October 17, 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.*