# Frequency vs Flat Rate Tech Log

The clearest difference is rating: Frequency at 4.7 against Flat Rate Tech Log's 3.5. Frequency also leads on in-app purchases (none vs 3) and ratings volume (1.2K vs 2). Flat Rate Tech Log's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Flat Rate Tech Log sells 3 in-app purchases, starting at $1.99 per 7 days. Frequency asks for nothing beyond the download.

Frequency holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Frequency has 1.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Frequency's written reviews are positive against 50% of Flat Rate Tech Log's.

Frequency ships an update fortnightly, Flat Rate Tech Log monthly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frequency | Flat Rate Tech Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.2K ratings)](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/flat-rate-tech-log-flag-hours/id6760527094/reviews) |
| Number of ratings | **1.2K** | 2 |
| Positive reviews | **72.7% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 8 MB | 8 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lucija Jaksic](https://appshunter.io/developer/1721391925) | [Cesar Ibarra](https://appshunter.io/developer/1076131150) |

## What reviewers say

### Frequency

[App page](https://appshunter.io/ios/app/frequency-sound-generator/id6474342664)

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

**Highlights:** Generate sine, square, sawtooth, triangle waves, Adjustable frequency (1Hz-22000Hz), Animated sound wave visualization, Volume control (0-100%), Note selection, Speaker cleaning function

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use interface
- 🎵 Accurate frequency generation
- 💰 Free application
- 🧘 Helpful for meditation and stress relief
- 🔧 Multiple waveform options (sine, square, triangular, sawtooth)

**What reviewers complain about**

- 📢 Intrusive and inappropriate advertisements
- 🔊 Potential audio damage to speakers/hearing
- 🔒 Privacy concerns and data collection issues
- 📱 UI elements off-screen on compact devices
- 🎚️ Difficult frequency selection with slider

**Reported bugs**

- Slider snaps to certain numbers, skipping decimals
- Missing specific frequencies (431Hz, 432Hz, 128Hz)
- Settings/controls off-screen on smaller devices
- App crashes when switching between applications

**Requested features**

- Manual text input for precise frequency selection
- Ad-free paid version option
- Timer feature for sessions
- Digital tuning with +/- buttons on main screen
- Background image customization or frequency healing chart


### Flat Rate Tech Log

[App page](https://appshunter.io/ios/app/flat-rate-tech-log-flag-hours/id6760527094)

This app helps automotive technicians efficiently track repair orders, log work items, and scan VINs. It allows attaching photos, viewing activity summaries, and generating professional PDF reports for flagged hours. Designed for shop workflow, it organizes job details without paper notes.

**Highlights:** Track repair orders, Log work items, Scan VIN numbers, Attach photos to orders, Generate PDF reports, View activity summaries

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Monthly Access | $4.99 | per month |
| Yearly Access | $39.99 | per year |


## Frequently asked questions

### Is Frequency free?

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

### Is Flat Rate Tech Log free?

Flat Rate Tech Log is free to download, with in-app purchases available.

### Which has better reviews, Frequency or Flat Rate Tech Log?

Frequency is rated higher. Frequency averages 4.7 out of 5 from 1.2K ratings, while Flat Rate Tech Log averages 3.5 from 2 ratings.

### Do Frequency or Flat Rate Tech Log have ads?

Frequency shows ads; Flat Rate Tech Log does not.

### Which is updated more often, Frequency or Flat Rate Tech Log?

Frequency ships an update fortnightly, and Flat Rate Tech Log monthly. Most recently, Frequency was updated on November 8, 2026 and Flat Rate Tech Log on October 31, 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.*