# LetsKeep vs Tooth Buddy

The clearest difference is price: LetsKeep at Free against Tooth Buddy's $1.99. LetsKeep also leads on iOS requirement (12.0 vs 18.0). Tooth Buddy's advantage is update cadence (every 2 months vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

LetsKeep is free to download; Tooth Buddy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LetsKeep ships an update every 11 months, Tooth Buddy every 2 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LetsKeep | Tooth Buddy |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tooth-buddy/id6474042932/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 42 MB | 7 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [庆勇 张](https://appshunter.io/developer/1543126441) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### LetsKeep

[App page](https://appshunter.io/ios/app/letskeep-habit-tracker/id1543128102)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tooth Buddy

[App page](https://appshunter.io/ios/app/tooth-buddy/id6474042932)

This app is a 2-minute brushing timer designed for Apple Watch. It helps users maintain a consistent oral hygiene routine by tracking sessions, providing reminders, and offering quick access via widgets and complications.

**Highlights:** 2-minute brushing timer, HealthKit integration, Brushing session logging, Smart reminders, Streak tracking, Widgets and complications

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is LetsKeep free?

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

### Is Tooth Buddy free?

Tooth Buddy costs $1.99, with no in-app purchases.

### Do LetsKeep or Tooth Buddy have ads?

Neither LetsKeep nor Tooth Buddy shows ads.

### Which is updated more often, LetsKeep or Tooth Buddy?

LetsKeep ships an update every 11 months, and Tooth Buddy every 2 months. Most recently, LetsKeep was updated on September 29, 2026 and Tooth Buddy on October 1, 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.*