Sutro vs Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sutro
Effortlessly manage your pool or spa water quality. This app works with a smart monitor to automatically track pH, free chlorine, alkalinity, and temperature, providing insights that make sense for optimal water conditions.
- Automatic water quality monitoring
- pH tracking
- Free chlorine measurement
- Alkalinity tracking
- Temperature monitoring
- Seamless app integration
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Sutro is the simple, safe, and seamless way to manage your Pool (or Spa) water with measurements that make sense and monitoring that is automatic. The Sutro app works with the Sutro Smart Monitor to measure your pool or spa’s pH, free chlorine (ppm), alkalinity, and temperature without you having to do anything.
Smart
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Use with SmartCheck water testing strips for a personal pool and hot tub prescription. Download the app here.
Screenshots
Verdict
The clearest difference is ads: Sutro at none against Smart's shown. Sutro also leads on iOS requirement (12.4 vs 14.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Sutro | Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (175 ratings) — better | — |
| Positive reviews | 72.9% of reviews | — |
| Number of ratings | 175 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 39 MB | 38 MB |
| Age rating | 4+ | 17+ |
| Developer | Sutro Connect Inc | Kathi Belcourt |
Bugs and requests
Sutro
Reported bugs
4 issues- App crashes and freezes
- Disconnection issues with hub
- Calibration failures
- Inaccurate water chemistry readings
Requested features
4 requests- Measure total hardness and CYA
- Customizable notification settings
- Ability to cancel subscription easily
- Improved app stability and user experience
Smart
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sutro
No in-app purchases
Smart
No in-app purchases
