Comparison

Zi vs Memory's Bug Camera

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

Head to head
About

Zi

Features
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A fun way to learn Chinese characters.

About

Memory's Bug Camera

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"Memory's Bug Camera" is a "spot the difference" camera app that parents and children can enjoy together. By adding "mistakes (bugs)" to photos taken with the camera or images selected by parents, users can easily create their own original spot the difference game. Secure settings for parents allow parents to decide in advance whether their children can use the camera and which images they can choose. Since you can tightly manage your child's access, this app allows you to let them play safely even if they don't have their own smartphone. Not only does it help develop observational skills and creativity, it's also ideal for family communication and creating memories. A parental gate can be installed for parental access, and it is also possible to switch to biometric authentication. Please try out the "Memory's Bug Camera" which the whole family can enjoy! Make memories of this summer with the "Memory's Bug Camera"!! The premium features also allow you to purchase newly added effects and stamp processing! Perfect for summer vacation fun! If you would like to use the premium features, you will need to access the parent features and purchase the premium features.

Screenshots

Zi4 screens
Memory's Bug Camera4 screens

Verdict

The call

The clearest difference is in-app purchases: Zi at none against Memory's Bug Camera's 8. Memory's Bug Camera's advantage is ads (none vs shown) and update cadence (every 11 days vs every 5 months). On price, device support and iOS requirement 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. Memory's Bug Camera sells 8 one-off in-app purchases. Zi asks for nothing beyond the download.

UpkeepUpdate frequency

Zi ships an update every 5 months, Memory's Bug Camera every 11 days. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

Scorecard3 real differences Β· 3 level
Zi versus Memory's Bug Camera: the parameters behind the verdict, then further details
ParameterZiMemory's Bug Camera
PriceFreeFree
Update frequencyEvery 5 monthsEvery 11 days β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details β€” not scored
Size125 MB26 MB
Age rating4+4+
DeveloperBeijing Ningdom Technology Co., Ltd.Takahisa Shindo

In-app purchases

None

Zi

No in-app purchases

8 purchases

Memory's Bug Camera

One-time8
  • Animals stamp pcck$0.99
  • Foods stamp pack$0.99
  • Seasons stamp pack$0.99
Show 5 more
  • Vehicles stamp pack$0.99
  • Space stamp pack$0.99
  • Premium effects pack$0.99
  • All stamps pack$2.99
  • All features pack$3.99

Questions

Is Zi free?
Zi is free to download, with no in-app purchases.
Is Memory's Bug Camera free?
Memory's Bug Camera is free to download, with in-app purchases available.
Do Zi or Memory's Bug Camera have ads?
Zi shows ads; Memory's Bug Camera does not.
Which is updated more often, Zi or Memory's Bug Camera?
Zi ships an update every 5 months, and Memory's Bug Camera every 11 days. Most recently, Zi was updated on October 7, 2026 and Memory's Bug Camera on October 6, 2026.

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