FluvalSmart vs Weights Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FluvalSmart
Control Fluval Bluetooth LED aquarium lights with your iOS device. Adjust colors, create custom lighting schedules, and simulate dynamic effects like cloud cover and storms. Compatible with various Fluval LED models.
- BLE 4.0 control
- Manual, Auto, Pro modes
- Independent color channel control
- Preset lighting configurations
- Dynamic lighting effects
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This app uses BLE 4.0 to control Fluval Bluetooth LEDs. Requires iOS 9.0 and above. Requires Bluetooth version BLE 4.0 and above. For use with the following devices: - Fluval Aquasky Bluetooth LED - Fluval Plant Spectrum Bluetooth LED - Fluval Plant Nano Bluetooth LED - Fluval Marine Spectrum Bluetooth LED - Fluval Marine Nano Bluetooth LED Features: - Manual / Auto / Pro mode - Independent color channel control and customization - Multiple preset lighting configurations - Dynamic effects (cloud cover, storm, etc.) - Aquasky only
Weights Converter
Instantly convert between various units of weight. Add multiple weight combinations and perform conversions quickly and easily.
- Instant weight unit conversion
- Supports multiple weight combinations
- Simple and quick interface
- Add custom weights
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Convert between different units of weight instantly. Add any combination of weights and convert between them simply and quickly.
Screenshots
Verdict
The clearest difference is review sentiment: Weights Converter at 100% against FluvalSmart's 27%. Weights Converter also leads on update cadence (daily vs every 2 months). FluvalSmart's advantage is price (Free vs $0.99) and device support (3 vs 1). On ads and in-app purchases 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
FluvalSmart is free to download; Weights Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FluvalSmart ships an update every 2 months, Weights Converter daily. The most recent releases landed on September 26, 2026 and August 23, 2026 respectively.
| Parameter | FluvalSmart | Weights Converter |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 2.5 (503 ratings) — better | — |
| Positive reviews | 27.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 503 — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 12 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Rolf C Hagen Inc. | Matthew Davis |
Customer experience
FluvalSmart
Weights Converter
Bugs and requests
FluvalSmart
Reported bugs
3 issues- App crashes during firmware updates
- Saved settings get reset unexpectedly
- Bluetooth connection issues after power cycles
Requested features
4 requests- Add ability to turn lights off completely at night
- Allow more customization of sunrise/sunset colors
- Implement weekly scheduling options
- Improve app stability and responsiveness
Weights Converter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FluvalSmart
No in-app purchases
Weights Converter
No in-app purchases









