# SignBulb vs Tapd

The clearest difference is ratings volume: Tapd at 37 against SignBulb's 1. SignBulb's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SignBulb against 4.9 for Tapd. That said, the two scores are not equally well evidenced: Tapd has 37 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SignBulb | Tapd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signbulb/id6473818151/reviews)** | [4.9 (37 ratings)](https://appshunter.io/ios/app/tapd-screen-time-control/id6748239381/reviews) |
| Number of ratings | 1 | **37** |
| Positive reviews | — | 95.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 50 MB | 53 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [valcare LLC](https://appshunter.io/developer/1698282663) | [TapTek LLC.](https://appshunter.io/developer/1824753763) |

## What reviewers say

### SignBulb

[App page](https://appshunter.io/ios/app/signbulb/id6473818151)

Easily and securely sign documents digitally from your mobile device. This app streamlines the process of signing, eliminating the need for printing, scanning, and mailing physical papers.

**Highlights:** Digital document signing, Secure signing process, Mobile device signing, Eliminates printing and scanning, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Tapd

[App page](https://appshunter.io/ios/app/tapd-screen-time-control/id6748239381)

This app helps you focus by blocking distracting applications with a simple NFC tag tap. It also allows you to form focus groups with friends for shared accountability and friendly competition, tracking your progress over time.

**Highlights:** NFC tag integration for focus sessions, Customizable app blocking presets, Group focus sessions with friends, Real-time 'Together Meter' for accountability, Leaderboards for competitive focus, Session analytics and streak tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is SignBulb free?

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

### Is Tapd free?

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

### Which has better reviews, SignBulb or Tapd?

SignBulb is rated higher. SignBulb averages 5.0 out of 5 from 1 ratings, while Tapd averages 4.9 from 37 ratings.

### Do SignBulb or Tapd have ads?

Neither SignBulb nor Tapd shows ads.

### Which is updated more often, SignBulb or Tapd?

SignBulb ships an update every 3 weeks, and Tapd every 3 weeks. Most recently, SignBulb was updated on October 1, 2026 and Tapd on October 13, 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.*