Comparison

GaugeWatcher vs KeepKnow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

GaugeWatcher

River gauge flow data

Free

🔧 Utilities

★ 5.03 ratingsView app →

About

GaugeWatcher

Access real-time river flow data without needing an account or encountering advertisements. Discover nearby gauges, monitor flow rates, and save your preferred locations for quick access.

Highlights

Real-time river flow data
Discover nearby gauges
Check flow rates
Bookmark favorite gauges
No signup required
Ad-free experience

Features

Read full description

Simple river flow data. No signup required. No ads. No fluff. Find nearby gauges, check flow rates, bookmark favorites. That's it.

About

KeepKnow

Features

Read full description

The KeepKnow App connects to smart battery systems via Bluetooth and Wi-Fi, enabling real-time monitoring, remote control, and multi-battery management for energy storage applications

Screenshots

GaugeWatcher4 screens

KeepKnow4 screens

Verdict

The call

The clearest difference is update cadence: GaugeWatcher at weekly against KeepKnow's every 3 months. KeepKnow's advantage is iOS requirement (13.0 vs 18.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GaugeWatcher ships an update weekly, KeepKnow every 3 months. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level

GaugeWatcher versus KeepKnow: the parameters behind the verdict, then further details
Parameter	GaugeWatcher	KeepKnow
Price	Free	Free
Rating	5.0 (3 ratings) — better	—
Positive reviews	100.0% of reviews	—
Number of ratings	3 — better	—
Update frequency	Weekly — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	18.0	13.0 — better
Further details — not scored
Size	37 MB	48 MB
Age rating	4+	4+
Developer	Andrew Althage	KeepKnow New Energy Limited

In-app purchases

None

GaugeWatcher

No in-app purchases

None

KeepKnow

No in-app purchases

Questions

Is GaugeWatcher free?

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

Is KeepKnow free?

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

Do GaugeWatcher or KeepKnow have ads?

Neither GaugeWatcher nor KeepKnow shows ads.

Which is updated more often, GaugeWatcher or KeepKnow?

GaugeWatcher ships an update weekly, and KeepKnow every 3 months. Most recently, GaugeWatcher was updated on October 17, 2026 and KeepKnow on September 29, 2026.