247+ iOS apps curated and reviewed
Out of 247+ envelope generator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $0.99 | 3.8★ (17) | No | No | Jun 2026 |
| 2 |  | Free | 4.8★ (439) | Yes | No | Jul 2026 |
| 3 |  | Free | 4.2★ (338) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.5★ (1.8K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (338) | No | No | Aug 2026 |
| 6 |  | Free | — | No | Yes | Jul 2026 |
| 7 |  | Free | — | No | No | Jun 2026 |
| 8 |  | Free | 4.6★ (354) | No | Yes | Jul 2026 |
Easily craft custom envelopes and boxes of any size. Input your desired dimensions, and the app calculates the required paper size and scoring/punching points. Supports both inches and centimeters, with the ability to save favorite designs.
Generate a wide range of audio tones with adjustable frequencies and waveforms. Control playback in the background, from your notification drawer, or lock screen. The app automatically pauses for calls and alarms, and allows you to save custom presets.
Easily create professional-looking envelopes for any occasion. Supports various sizes, customizable text and images, and bulk printing with AI formatting. Preview designs before printing and connect to AirPrint-enabled printers.
Generate precise sound waves with adjustable frequencies and various waveform types. Use it for audio testing, insect repulsion, pet training, or as a prank tool. Features include a decibel meter and stereo sound tests.
This app digitizes the envelope budgeting system to help users track spending, save money, and manage their finances effectively. It offers features like early paycheck access, high-yield savings, and transaction notifications for comprehensive financial control.
Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.
Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.
Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.
This app helps users gain control of their finances by creating flexible spending plans, tracking expenses, and managing debt. It aims to reduce financial stress and empower users to reach their goals. Features include account linking, manual transaction entry, and collaborative planning for multiple users.
This app helps manage your inbox by intelligently filtering, categorizing, and clustering emails. It automatically groups messages by sender, type, and importance, and offers smart filters for unread, unreplied, and new sender emails. Features like reminders, snippets, and 1-tap actions streamline email handling.
This app allows users to generate various audio tones and test speaker performance. It offers automatic and manual frequency sweeps, different wave modes, and stereo/mono options for comprehensive audio exploration and device verification.
Effortlessly print professional addresses on any standard envelope size. Customize fonts, colors, and layouts for a polished look. Save time and achieve error-free results for personal or business mailings.
This software allows users to control a programmable function and arbitrary wave signal generator. It can generate various waveforms up to 80MHz, with features like modulation, frequency sweep, and signal measurement. All output signal parameters are displayed simultaneously.
