Comparison

Watts Up? vs MomentFlow

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

Head to head
About

Watts Up?

Easily determine microwave cooking times by inputting recipe details and your microwave's wattage. The app automatically saves your microwave's power for future use. Optimized for high-resolution displays on supported devices.

Highlights
  • Calculate recommended cook time
  • Input recipe cook time
  • Input recipe microwave wattage
  • Input your microwave wattage
  • Saves microwave wattage automatically
  • High resolution graphics
Features
Read full description

Take the guesswork out of microwave cook times. With this app, you can calculate a recommended cook time based on your microwave wattage. Features: - Calculates a recommended cook time based on the recipe cook time, recipe microwave wattage, and your microwave wattage. - Saves your microwave wattage automatically. - High resolution retina graphics optimized for latest models. In-app purchase: - Remove Ads

About

MomentFlow

Features
Read full description

MomentFlow is a multi-source memory media player—not just another photo slideshow. Pick multiple sources at once and merge memories from your device and cloud into a single playback experience. What makes MomentFlow different Multi-source merge: photo library, shared albums, local folders, and cloud files (iCloud Drive, Dropbox, Google Drive via the system document picker) Mixed media queue: photos, videos, and music in one session, shuffle or sequential Advanced filtering: library (all / manual pick / by month); multi-select albums & shared albums Info overlay: filename, path, capture date & location from EXIF when available AirPlay; custom fade transitions, background music, optional video mute Home Screen widget synced with the main app via App Group Playback Adjustable photo duration; videos and music play through before advancing Video skip forward/back and mute option Looping background music with automatic ducking when a music track plays Diary Flow Separate local journal—always free, no Pro required Entries stored on your device only Free trial & Pro 5 shuffle playback sessions (widget shares the same quota). From the 6th session, upgrade to Pro (one-time purchase, no subscription): unlimited playback, widget, full settings. Privacy Photo library access for playback and widget. On-device processing only. No accounts, ads, or tracking SDKs.

Screenshots

Watts Up?4 screens
MomentFlow4 screens

Verdict

The call

The clearest difference is ads: MomentFlow at none against Watts Up?'s shown. MomentFlow also leads on update cadence (every 11 days vs every 32 months). Watts Up?'s advantage is iOS requirement (13.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Watts Up? sells 1 one-off in-app purchase and MomentFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Watts Up? ships an update every 32 months, MomentFlow every 11 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Watts Up? versus MomentFlow: the parameters behind the verdict, then further details
ParameterWatts Up?MomentFlow
PriceFreeFree
Rating4.7 (15 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings15 — better—
Update frequencyEvery 32 monthsEvery 11 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS13.0 — better17.0
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperEric KasnetsisCHENG YANG KUO

In-app purchases

1 purchases

Watts Up?

One-time1
  • Remove Ads$0.99
1 purchases

MomentFlow

One-time1
  • Remove usage limit.$1.99

Questions

Is Watts Up? free?
Watts Up? is free to download, with in-app purchases available.
Is MomentFlow free?
MomentFlow is free to download, with in-app purchases available.
Do Watts Up? or MomentFlow have ads?
Watts Up? shows ads; MomentFlow does not.
Which is updated more often, Watts Up? or MomentFlow?
Watts Up? ships an update every 32 months, and MomentFlow every 11 days. Most recently, Watts Up? was updated on November 1, 2026 and MomentFlow on October 25, 2026.

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