S vs Vowly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
This app helps installers of distributed PV power plants manage accounts and provides visual guides for microinverter installation. It offers rapid configuration, power generation data, and detailed alarm information for commissioning and diagnostics.
- Account monitoring
- Visual installation guide
- Microinverter configuration
- Power generation data
- Module-level data
- Alarm information
- Commissioning & diagnostics
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S-miles Installer is a mobile application developed by Hoymiles especially for installers of distributed PV power plants. It provides an EASY-TO-USE procedure for monitoring accounts and a visual physical layout guide for the installation of microinverters, which helps installers configure monitoring accounts rapidly, and provides installers power generation data on both plant-level & module-level as well as detailed alarm information about the power plant for commissioning & diagnostics.
Vowly
This app helps you plan your wedding with ease, keeping you organized and in control throughout the process. It provides a central place for all your wedding planning needs, from the initial stages to the final countdown.
- Wedding planning organization
- Stress reduction
- Centralized information
- User-friendly interface
- Countdown feature
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Planning a wedding should feel exciting — not overwhelming. Vowly helps you stay calm, organized, and in control as you plan your big day, all in one elegant app. Whether you’re just getting started or counting down the final days, Vowly keeps everything you need right at your fingertips.
Screenshots
Verdict
The clearest difference is price: S at Free against Vowly's $0.99. S also leads on ratings volume (15 vs 1) and iOS requirement (15.0 vs 18.0). Vowly's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 66%). On ads, in-app purchases and device support 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
S is free to download; Vowly costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Vowly holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: S has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 66% of S's written reviews are positive against 100% of Vowly's.
S ships an update monthly, Vowly daily. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.
| Parameter | S | Vowly |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.3 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 65.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 15 — better | 1 |
| Update frequency | Monthly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 224 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoymiles Power Electronics Inc. | Petrus Arnoldus van Zyl |
Customer experience
S
Vowly
In-app purchases
S
No in-app purchases
Vowly
No in-app purchases
