Comparison

Flip Clock vs NanoVision

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

Head to head
About

Flip Clock

A minimalist utility app featuring a retro flip-digit clock. It offers a Pomodoro timer, stopwatch, and alarm functions, all accessible with simple swipes. Premium features are available via a one-time purchase.

Highlights
  • Retro flip-digit clock display
  • Pomodoro timer
  • Stopwatch
  • Multiple alarms
  • Countdown events
  • Calendar integration
  • Offline functionality
Features
Read full description

Your flip clock, reimagined. One screen. Three modes. Zero clutter. A large flip-digit clock that shows time like a retro split-flap display. Swipe left for Pomodoro timer, right for stopwatch. No menus, no tabs, no distractions. FREE FEATURES (forever): β€’ Full-screen flip clock with 12/24-hour display β€’ Optional seconds display β€” card or mini style β€’ Date and weekday at a glance β€’ Stopwatch with start/pause/reset β€’ Pomodoro timer with customizable duration β€’ 2 alarms β€’ 1 countdown event β€’ Monthly calendar view β€’ Cycle tracker with predictions β€’ Portrait and landscape support β€’ Screen always-on option β€’ English and Chinese PREMIUM (one-time, no subscription): β€’ Multiple color themes β€’ Flip animation styles and sound effects β€’ Custom app icons β€’ Unlimited alarms with repeat rules β€’ Unlimited countdown events with categories β€’ Calendar integration with alarms and countdowns β€’ Week view in calendar β€’ Cycle tracker Face ID lock, reminders, data export Most clock apps bury you in menus or lock features behind subscriptions. SimpleClock gives you the essentials free forever, with a single one-time purchase for power users. 100% offline. No account. No data collection. Your time. Your device. Simple.

About

NanoVision

Read full description

Compress photos, convert formats, and shrink files β€” entirely on your device. NanoVision does the work cloud services charge for, but your images never leave your iPhone, iPad, Mac, or Apple Vision Pro. No uploads. No servers. No sign-up. No subscription. Most image optimizers send your photos to their servers to compress them. NanoVision is different: every pixel is processed locally using Apple Silicon and the Neural Engine. Total privacy, instant results, and zero per-image credits or monthly fees. ONE PRIVATE TOOLKIT FOR ALL YOUR MEDIA β€’ Compress Images β€” Lossy, Glossy, and Lossless modes with SmartCompress, an iterative engine that finds the smallest file your eye can't tell apart from the original. β€’ Convert Formats β€” JPEG, PNG, HEIC, GIF, TIFF, BMP. Export to next-gen WebP, AVIF, and JPEG XL with Pro. β€’ Smart Crop β€” AI subject detection keeps the important part of every photo. β€’ Strip Metadata β€” Remove EXIF, GPS location, and camera data before you share. β€’ Remove Background β€” Cut out subjects automatically with on-device Vision intelligence (preview free, export with Pro). β€’ PDF Studio β€” Compress, merge, split, rotate, reorder, protect, watermark, and OCR. (Pro) β€’ Compress Video & Audio β€” Slim clips and audio without the cloud. (Pro) β€’ Watermark Studio β€” Sign and protect your work at scale. (Pro) FREE OR PRO β€” YOU CHOOSE Free forever: single-file Compress, Smart Crop, Privacy Strip, and Background Removal preview. Everything runs on-device. NanoVision Pro (one-time purchase, no subscription): batch and folder processing, WebP / AVIF / JPEG XL export, PDF Studio, video and audio compression, Background Removal export, and Watermark Studio. One purchase unlocks iPhone, iPad, Mac, and Apple Vision Pro through Family Sharing. PRIVACY THAT ACTUALLY MEANS SOMETHING Apps that upload your images can see them, store them, and analyze them. NanoVision can't β€” because nothing is ever sent anywhere. No analytics, no tracking, no data collection. Your savings history and Insights dashboard sync through YOUR OWN iCloud account using Apple's private key-value storage. We never see it. We have no server to receive it. Your stats follow you across devices and survive reinstalls, while remaining 100% yours. WHY YOU'LL LOVE IT β€’ Save storage on your device, in your photo library, and on your website. β€’ Real before/after comparisons and exact size reductions on every file. β€’ Insights dashboard tracks your total savings over time. β€’ Compression works completely offline β€” on a plane, in the field, anywhere. β€’ Native on iPhone, iPad, Mac, and Apple Vision Pro. One purchase covers them all. BUILT FOR APPLE Fast, beautiful, and accessible, with full VoiceOver and Dynamic Type support. Designed with Liquid Glass, tuned for Apple Silicon. Reduce file sizes for the web, email, messaging, and storage β€” privately, instantly, and on your terms. Download NanoVision and keep your images yours. IN-APP PURCHASE β€’ NanoVision Pro (Lifetime) β€” one-time purchase, unlocks all Pro features on iPhone, iPad, Mac, and Vision Pro. Family Sharing supported. No subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flip Clock4 screens
NanoVision4 screens

Verdict

The call

The clearest difference is update cadence: NanoVision at fortnightly against Flip Clock's monthly. NanoVision also leads on device support (4 vs 2). Flip Clock's advantage is iOS requirement (17.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flip Clock sells 1 one-off in-app purchase and NanoVision sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flip Clock ships an update monthly, NanoVision fortnightly. Both last shipped on October 31, 2026.

Scorecard3 real differences Β· 5 level
Flip Clock versus NanoVision: the parameters behind the verdict, then further details
ParameterFlip ClockNanoVision
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyMonthlyFortnightly β€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPadiPhone, iPad, Mac, Vision Pro β€” better
Requires iOS17.0 β€” better26.0
Further details β€” not scored
Size3 MB33 MB
Age rating4+4+
Developer磊 刘Ahmed DALHI

In-app purchases

1 purchases

Flip Clock

One-time1
  • SimpleClock Pro Edition$2.99
1 purchases

NanoVision

One-time1
  • Nano Vision Pro$44.99

Questions

Is Flip Clock free?
Flip Clock is free to download, with in-app purchases available.
Is NanoVision free?
NanoVision is free to download, with in-app purchases available.
Do Flip Clock or NanoVision have ads?
Neither Flip Clock nor NanoVision shows ads.
Which is updated more often, Flip Clock or NanoVision?
Flip Clock ships an update monthly, and NanoVision fortnightly. Most recently, Flip Clock was updated on October 31, 2026 and NanoVision on October 31, 2026.

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