KeepWaves vs UnitKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeepWaves
Transform audio recordings into visual art with customizable waveform visualizations. Capture high-quality sound, apply effects, and share your unique acoustic memories as audio, images, or videos. Preserve precious sounds in a way that engages both sight and hearing.
- Customizable waveform visualizations
- High-quality audio recording
- Real-time visualization
- Advanced audio processing
- Multiple export options (audio, image, video)
- Intuitive organization and search
- Interactive playback
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Record sound and turn it into a visual memory with KeepWaves. Capture audio, explore its waveform and customize how your recording looks when you share it. RECORD AND PLAY Record with adjustable sensitivity and gain. Play saved audio with waveform scrubbing and playback controls. MAKE IT YOURS Customize waveform colors, backgrounds and visual settings. Adjust your audio with the available processing controls and select the range you want to export. SAVE AND SHARE Organize and search saved recordings. Export audio, waveform images or videos to share through the apps you choose. KeepWaves Pro is required to make new recordings. Existing recordings remain available to play and export without an active subscription. Monthly and yearly subscriptions are available. Keep your own backups of important recordings. SUBSCRIPTION DETAILS The store shows the price, billing period and any eligible introductory offer before purchase. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled before the renewal deadline shown by the store. Manage or cancel through your store subscription settings. Restore Purchases checks eligible existing access. Terms of Use: https://keepwaves.com/terms Privacy Policy: https://keepwaves.com/privacy
UnitKit
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UnitKit – Simple and Powerful Unit Converter & Conversion Calculator UnitKit makes it easy to convert between dozens of standard units—or create your own custom conversions for anything you need. Whether you’re looking for a quick feet inch calculator, a handy tool for kitchen conversions, or a precise conversion calculator for work or school, UnitKit is made for you: – Conversion Calculator: Effortlessly convert dozens of units—including feet, inches, centimeters, meters, grams, kilograms, and more—for any project, recipe, or assignment. – Custom Units & Conversions: Need something special? Create your own unique units and conversion rules for hobbies, special projects, or work. – Save Your Conversions: Your calculation history is always available, so you can quickly find what you need later. – Copy & Share: Instantly copy results or share them as plain text with just a tap. – Sync Across Devices: Access your history and custom units anywhere, with iCloud sync. Terms of Service: https://docs.google.com/document/d/1Elo7_XJlsED5jwCVNLUmVEtjOgkW0rcFsRYPtDuPLlg/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1qCqehg-XP7ap-5VgnUSl80q2N0tDd1Qix81ilc0l0uk/edit?usp=sharing License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: KeepWaves at none against UnitKit's 2. KeepWaves also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). UnitKit's advantage is update cadence (monthly vs every 19 months). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. UnitKit sells 2 in-app purchases, starting at $0.99 per 7 days. KeepWaves asks for nothing beyond the download.
KeepWaves ships an update every 19 months, UnitKit monthly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.
| Parameter | KeepWaves | UnitKit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 19 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Arla Services | LukyLab |
In-app purchases
KeepWaves
No in-app purchases
UnitKit
- Weekly$0.997 Days
- Annual$7.991 Year









