Comparison

Retromo vs Purideco Book

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

Head to head
About

Retromo

Features
Read full description

Make your photos look like they were taken in another era. Retro filters, nostalgic vintage stamps, and classic frames combine to transform any shot into a timeless memory β€” the kind that feels like it came straight from an old photo album. Real-time preview and one-tap templates make creating retro photos effortless. ●Apply retro filters with real-time preview to give your photos a nostalgic, vintage look. ●Packed with nostalgic stamps featuring vintage fashion, sweets, and antique accessories. ●Add text overlays to your photos for a personal touch. ●Create a nostalgic atmosphere instantly with retro frames. ●Use templates to apply pre-set combinations of frames and stamps in one tap β€” 6 preset templates available. ●Share your finished photos with everyone on Instagram, X (formerly Twitter), Facebook, LINE, and more.

About

Purideco Book

Features
Read full description

Purideco Book is a photo decoration app for adding doodles, stickers, text and date stamps to the photos you already have. Pick a photo, then decorate. No camera filters, no face retouching - just a simple app focused on doodling on photos and making them cute. WHAT YOU CAN DO - Doodle with neon, fluffy, puffy and marker-style pens - Draw pens in front of or behind stickers and text - Erase, undo, redo or clear everything - Add simple stickers such as hearts, sparkles and ribbons - Add illustrated stickers in many styles: retro, dreamy-cute, fan-art style, animals, emoticons, decorated letters and more - Add bubbly, neon and outlined text with many font styles - Add date stamps in film, retro and English styles - Move, resize and rotate everything with your fingers REMOVE BACKGROUNDS AND IMPORT YOUR OWN IMAGES - Remove the background of your photo by painting over it or tapping a color. Bring back anything you erased by mistake - Import an image from your photo library, remove its background, and place it like a sticker - Cut imported images into circles, squares, hearts or stars, and add an outline if you like - Edit the background again after placing an image ADJUST TO FIT YOUR PHOTO Move and resize your photo, and choose a background color or gradient. SAVE AND KEEP EDITING - Save a finished photo to your camera roll - Save your work as a draft and keep editing later - Save to Drafts and Camera Roll at the same time UNLOCK MORE STICKERS Open the app each day to pick a gift box and earn stars with Daily Gift. You can also watch optional ads to earn more stars. Use stars to unlock locked sticker packs one by one. Prefer to get everything at once? A one-time purchase, "Unlock all stickers", unlocks all locked stickers, including stickers added in the future. AVAILABLE IN ENGLISH AND JAPANESE The app follows your device language. YOUR DATA Your photos stay on your device. No account is required. The app shows ads. This app is not affiliated with any other company's official service or characters.

Screenshots

Retromo4 screens
Purideco Book4 screens

Verdict

The call

The clearest difference is in-app purchases: Retromo at none against Purideco Book's 1. Purideco Book's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support 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. Purideco Book sells 1 one-off in-app purchase. Retromo asks for nothing beyond the download.

UpkeepUpdate frequency

Retromo ships an update every 3 weeks, Purideco Book every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
Retromo versus Purideco Book: the parameters behind the verdict, then further details
ParameterRetromoPurideco Book
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks β€” better
AdsYesYes
In-app purchasesNo β€” betterYes
DevicesiPhoneiPhone, iPod β€” better
Requires iOS17.615.1 β€” better
Further details β€” not scored
Size36 MB150 MB
Age rating4+4+
DeveloperTOSHIYUKI HIRATAHARVEST LAB

In-app purchases

None

Retromo

No in-app purchases

1 purchases

Purideco Book

One-time1
  • スタンプ全部解放$2.99

Questions

Is Retromo free?
Retromo is free to download, with no in-app purchases.
Is Purideco Book free?
Purideco Book is free to download, with in-app purchases available.
Do Retromo or Purideco Book have ads?
Both Retromo and Purideco Book show ads.
Which is updated more often, Retromo or Purideco Book?
Retromo ships an update every 3 weeks, and Purideco Book every 2 weeks. Most recently, Retromo was updated on November 2, 2026 and Purideco Book on October 31, 2026.

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