# NailKeeper vs Unbite

The clearest difference is review sentiment: NailKeeper at 77% against Unbite's 0%. NailKeeper also leads on update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. NailKeeper sells 3 in-app purchases, starting at $4.99 per month and Unbite sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

NailKeeper ships an update fortnightly, Unbite every 4 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NailKeeper | Unbite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (276 ratings)](https://appshunter.io/ios/app/nailkeeper-stop-biting-nails/id1579004361/reviews)** | — |
| Number of ratings | **276** | — |
| Positive reviews | **77.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 53 MB | 84 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pibardos LLC](https://appshunter.io/developer/1552646666) | [Jonas Hiltl](https://appshunter.io/developer/1804650549) |

## What reviewers say

### NailKeeper

[App page](https://appshunter.io/ios/app/nailkeeper-stop-biting-nails/id1579004361)

This app helps you break the habit of nail biting and picking by visually tracking your progress. It uses photo comparisons and video progression to motivate you, alongside features like timers, reminders, and helpful tips.

**Highlights:** Photo tracking of nail changes, Before and after image comparison, Video progression of nail recovery, Photo taking reminders, Time elapsed tracker, Tips for nail growth and impulse control, Daily streak widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $4.99 | per month |
| NailKeeper Pro Annual | $9.99 | per year |
| NailKeeper Pro | $19.99 | one-time |

**What reviewers like**

- 📸 Visual progress tracking with photo comparison
- ✅ Effective motivation for stopping nail biting habit
- 📊 Clear nail growth measurement and statistics
- 💪 Helpful tips and advice for nail health
- ⏱️ Streak counter keeps users accountable

**What reviewers complain about**

- 💰 Paywall for second hand tracking
- 🔐 Limited features without premium subscription
- 📵 Notifications require paid version
- 🖼️ Low quality photo capture
- 🐛 Technical glitches and bugs present

**Reported bugs**

- Photos not uploading or syncing properly
- Missing notifications functionality
- Camera overlay issues making consistent poses difficult
- App crashes when viewing photo gallery
- Streak counter resets unexpectedly

**Requested features**

- Ability to manually set or backdate start date
- Gamification elements (achievements, virtual pets, rewards shop)
- Mood or trigger tracking for relapses
- Widget on lock screen
- Fullscreen photo viewing without premium


### Unbite

[App page](https://appshunter.io/ios/app/unbite-stop-nail-biting/id6748577284)

This app helps you break the habit of nail biting by tracking episodes, identifying triggers, and celebrating progress. It offers personalized insights and gentle reminders to support your journey towards healthier nails and increased confidence.

**Highlights:** Track nail biting urges and episodes, Identify emotional and situational triggers, Monitor progress with visual tracking, Receive personalized tips for motivation, Celebrate streaks and milestones, Analyze trigger and finger patterns

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full Access | $2.99 | per 7 days |
| Annual Full Access | $17.99 | per year |


## Frequently asked questions

### Is NailKeeper free?

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

### Is Unbite free?

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

### Do NailKeeper or Unbite have ads?

Neither NailKeeper nor Unbite shows ads.

### Which is updated more often, NailKeeper or Unbite?

NailKeeper ships an update fortnightly, and Unbite every 4 months. Most recently, NailKeeper was updated on November 3, 2026 and Unbite on November 5, 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.*