Comparison

SlimSpace vs Paean Praxis

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

Head to head
About

SlimSpace

Free up device storage by reducing the size of photos and videos. This app offers offline compression with advanced algorithms to maintain quality. It supports various file formats and includes tools for cleaning up your photo library.

Highlights
  • Offline compression
  • No watermark or time limits
  • Advanced quality preservation
  • Supports major file formats
  • Customizable compression settings
  • Batch compression
  • Album and screenshot cleaner
Features
Read full description

Running out of storage space? Videos too large to send? Photos too big to share on WeChat or social media? Video & Photo Compressor is here to help! This app is your all-in-one solution for reducing file sizes without sacrificing quality. Whether it's videos, images, or other large files, you can compress them in just a few taps and save valuable storage on your device. 【Key Features】 • No watermark, no time limits • Offline compression — all processing happens locally on your phone. No internet needed, keeping your data secure • Advanced compression algorithms that preserve original quality while minimizing file size • Supports all major formats — MP4, MOV, AVI, MKV, 3GP, FLV, MPG, JPEG, PNG, and more • Customizable settings — choose compression priority: smaller size or better resolution • Preview results before saving • One-tap delete original files to save space instantly • Batch compression — process multiple files at once with ease 【More Space-Saving Tools】 • Album cleaner • Similar photo cleaner • Screenshot manager • Video splitter • File archiving and compression ========================== Compressor Pro Unlimited Subscription ========================== - Join Compressor Pro members, free to use all features, including all video & audio formats, ocr function, in addition, ads will be automatically removed. - Compressor Pro Unlimited subscription is billed monthly or annually at the rate correspnding to the selected plan. In addition, a one-time payment will be offered if needed, which is not one of the subscription plan. - Payment will be charged to Itunes Account at confirmation of purchase. - Subscriptions automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - Terms of use : https://www.jianshu.com/p/7b3c05310c93 - Privacy policy: https://www.jianshu.com/p/4a71bed09de0

About

Paean Praxis

Features
Read full description

Paean Praxis brings your agent and cloud computers into one app. TALK TO YOUR AGENT Start a native conversation, attach images, and discuss the work you want to accomplish. Read formatted replies and preview images without leaving Praxis. DELEGATE CLOUD TASKS Give Agent a task or write a brief yourself. Tasks run in isolated cloud computers and continue after you leave the app. Check progress and available activity, review results, cancel running tasks, download completed artifacts, and import supported projects privately. Task computers are separate from your personal Agent PC; personal files are not automatically copied. MANAGE YOUR AGENT PC Create your personal Agent PC, check its state and remaining runtime, and pause, resume, extend runtime, or delete it when needed. Open its workspace inside Praxis. CHECK YOUR CONNECTION Monitor management connection checks and response times from the current app session. These measurements describe the management connection, not CPU or memory utilization. MADE FOR YOUR DEVICES Use an adaptive interface on iPhone and iPad and a native resizable window on Mac. Choose light or dark appearance and English or Simplified Chinese. Sign in with email, phone, Apple, or Google. An internet connection and Paean account are required. Cloud access and usage are subject to your eligible plan and available allowance. APPLE WATCH Talk to Agent using system dictation or the keyboard, start cloud tasks, check progress and results, and cancel running tasks. Sync sign-in from your paired iPhone or sign in directly with email or phone. After sign-in, Watch connects directly over Wi-Fi or cellular. Reopen or refresh the app for updates. SUBSCRIPTIONS Premium, Max and Ultra monthly subscriptions are available through Apple In-App Purchase. View localized pricing, restore purchases and manage your subscription in Account > Subscription. Subscriptions renew automatically unless canceled. Privacy Policy: https://paean.ai/privacy Terms of Service: https://paean.ai/terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SlimSpace4 screens
Paean Praxis3 screens

Verdict

The call

The clearest difference is ads: Paean Praxis at none against SlimSpace's shown. Paean Praxis also leads on update cadence (weekly vs every 2 weeks). SlimSpace's advantage is iOS requirement (15.6 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. SlimSpace sells 4 in-app purchases, starting at $0.69 per 7 days and Paean Praxis sells 3 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SlimSpace ships an update every 2 weeks, Paean Praxis weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
SlimSpace versus Paean Praxis: the parameters behind the verdict, then further details
ParameterSlimSpacePaean Praxis
PriceFreeFree
Rating4.6 (1K ratings) — better—
Positive reviews67.3% of reviews—
Number of ratings1K — better—
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS15.6 — better17.0
Further details — not scored
Size41 MB8 MB
Age rating4+17+
DeveloperHappyTimes Tech Co., Ltd.Shanghai Zero One Intelligence Ltd.

Bugs and requests

SlimSpace

Reported bugs

5 issues
  • Videos not resizing properly
  • Compressed photos not saving to album
  • Paid features not working as expected
  • App crashing on launch or during compression
  • Excessive data usage

Requested features

5 requests
  • Batch compression option
  • More compression quality settings
  • Ability to preview compressed files
  • Support for more file types
  • Improved error handling and feedback

Paean Praxis

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

SlimSpace

Subscriptions3
  • Upgrade(1 Week)$0.697 Days
  • Upgrade(1 Month)$3.491 Month
  • Compressor Vip(1 Year)3 Days trial$6.491 Year
One-time1
  • Upgrade(Forever)$18.99
3 purchases

Paean Praxis

Subscriptions3
  • Praxis Premium$49.991 Month
  • Praxis Max$100.001 Month
  • Praxis Ultra$200.001 Month

Questions

Is SlimSpace free?
SlimSpace is free to download, with in-app purchases available.
Is Paean Praxis free?
Paean Praxis is free to download, with in-app purchases available.
Do SlimSpace or Paean Praxis have ads?
SlimSpace shows ads; Paean Praxis does not.
Which is updated more often, SlimSpace or Paean Praxis?
SlimSpace ships an update every 2 weeks, and Paean Praxis weekly. Most recently, SlimSpace was updated on November 2, 2026 and Paean Praxis on October 31, 2026.

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