Comparison

ARPAIPAI vs OshiDiary

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

Head to head
About

ARPAIPAI

Bring virtual characters into your real world using augmented reality. Scan markers to summon characters, pose them, and capture photos or videos with them. Share your creations on social media.

Highlights
  • AR camera for real-world character integration
  • Scan markers to summon characters
  • Edit character expressions and actions
  • Capture photos and videos
  • Share creations on social media
  • Downloadable scan markers available
Features
Read full description

● AR Camera Summon your favorite characters into the real world by scanning specific markers and capture moments with them in photos and videos! Explore shooting from various angles and enjoy the fun of photography together. Share your captured photos and videos on social media platforms for even more excitement! Instructions: ・ Characters Purchase specific peripherals or find corresponding images, then use the camera to scan the images, bringing the characters to life. Once the characters appear, you can edit their expressions and actions as desired. ・ Photos Switch to the shooting mode in the upper left corner and click the capture button to take photos. ・ Video Switch to the recording mode in the upper left corner and click the record button to start capturing videos. ● NinthGames Official Twitter Account https://twitter.com/Ninth_Games ● If you don't have any scan markers, you can go to our website to download: https://www.ninthgames.com/PAIPAI_Marks

About

OshiDiary

Read full description

Ever looked through your growing collection of cheki photos and wondered, “When did I take this one?” “What did I talk about with my oshi that day?” OshiDiary is an app for saving your cheki digitally and keeping track of the memories you’ve made with your oshi. Your cheki, event memories, and spending records — keep your entire oshi journey together in one place. 【Build Your Digital Cheki Collection】 Save your cheki digitally and create your own personal collection. Record the date and signature details for each cheki, so you can easily look back on every memory with your oshi anytime. 【Remember Every Event】 The live show may be over, but the memories don’t have to disappear. Write down what happened, how you felt, and the conversations you had with your oshi. Come back later and relive those special moments all over again. 【Track Your Oshi Activities】 How many times did you see your oshi this year? How many cheki did you take? How much have you spent supporting them? OshiDiary automatically organizes your monthly and yearly records, helping you see your oshi activities through both memories and numbers. 【Manage Multiple Oshis】 Whether you support one oshi or many, OshiDiary makes it easy to keep everything organized. Create a dedicated page for each oshi and keep their cheki, memories, and records separate. Perfect for idols, underground idols, concept cafés, and all kinds of oshi activities. Save the cheki. Keep the memories that came with them. Start building your own oshi diary with OshiDiary. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ARPAIPAI4 screens
OshiDiary4 screens

Verdict

The call

The clearest difference is in-app purchases: ARPAIPAI at none against OshiDiary's 2. ARPAIPAI also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, update cadence and ads 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. OshiDiary sells 2 in-app purchases, starting at $4.99 per month. ARPAIPAI asks for nothing beyond the download.

UpkeepUpdate frequency

ARPAIPAI ships an update every 8 days, OshiDiary every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
ARPAIPAI versus OshiDiary: the parameters behind the verdict, then further details
ParameterARPAIPAIOshiDiary
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 8 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better18.0
Further details — not scored
Size176 MB40 MB
Age rating4+17+
DeveloperNinth Games Co., Ltd.YU FANG

In-app purchases

None

ARPAIPAI

No in-app purchases

2 purchases

OshiDiary

Subscriptions2
  • Monthly Plan14 Days trial$4.991 Month
  • Annual Plan14 Days trial$19.991 Year

Questions

Is ARPAIPAI free?
ARPAIPAI is free to download, with no in-app purchases.
Is OshiDiary free?
OshiDiary is free to download, with in-app purchases available.
Do ARPAIPAI or OshiDiary have ads?
Neither ARPAIPAI nor OshiDiary shows ads.
Which is updated more often, ARPAIPAI or OshiDiary?
ARPAIPAI ships an update every 8 days, and OshiDiary every 2 weeks. Most recently, ARPAIPAI was updated on November 4, 2026 and OshiDiary on November 5, 2026.

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